PUBLICATIONS:

2010

164. Haifeng Huang and Kevin K. Lehmann, Long term stability in cw cavity ring-down experiments, Applied Optics 49, 1378-1387 (2010). [PDF]

2009

163. Alexei Sokolov, Kevin K. Lehmann, Marlan O. Scully, and Dudley Herschbach, Orienting molecules via an IR and UV pulse pair: Implications for coherent Raman spectroscopy, Physical Review A. 79, 053805 (2009). Reprinted in June 2009 issue of Virtual Journal of Ultrafast Science. [PDF]

162. Kevin K. Lehmann, Paul S. Johnston and Paul Rabinowitz, Design and Analysis of Brewster Angle Prism Retroreflectors for cavity enhanced spectroscopy, Applied Optics 48 2966-2978 (2009([PDF]

161.  Haifeng Huang and Kevin K. Lehmann, Noise caused by finite extinction ratio of the light modulator in cw cavity ring-down spectroscopy, Applied Physics B 94, 355-366 (2009). [PDF]

160. Kevin K. Lehmann and Haifeng Huang, Optimal Signal Processing in Cavity Ring-Down Spectroscopy, Frontiers of Molecular Spectroscopy, pgs. 623-658, Jaan Laane, editor (Elsevier 2009). [PDF]

2008

159. Paul S. Johnston and Kevin K. Lehmann,  Cavity enhanced absorption spectroscopy using a broadband prism cavity and a supercontinuum source, Optics Express 16, 15013-15023 (2008).[PDF]

158. Haifeng Huang and Kevin K. Lehmann, CW cavity ring-down spectroscopy with a semiconductor optical amplifier as intensity modulator, Chemical Physics Letters 463, 246-250 (2008). [PDF]

157. Kevin K. Lehmann, Introduction to Cavity Ring-Down Spectroscopy, in Cavity Ring-down Spectroscopy: Techniques and Application, Giel Berden, Richard Engeln, editors (Wiley-Blackwell, 2009). [PDF]

156. Haifeng Huang and Kevin K. Lehmann, Effects of birefringence and polarization dependent loss of supermirrors in cavity ring-down spectroscopy, Applied Optics 47, 3817-3827 (2008).[PDF]

155. Peter B. Tarsa and Kevin K. Lehmann, Cavity Ring-down Biosensing,, pgs 403-418 in Optical Biosensors 2008:  Present and Future, eds. Frances S. Ligler and Chris Rowe Taitt, (Elsevier, 2008). [PDF]

154. Ozgur Birer, Paolo Moreschini, Kevin K. Lehmann, Electronic spectroscopy of benzo[g,h,i]perylene and coronene inside helium nanodroplets, Physical Chemistry – Chemical Physics 10, 1648-1657 (2008). [PDF]

2007

153. Franco Ancilotto, M. Pi, M. Barranco, and Kevin K. Lehmann, Squeezing a helium nanodroplet with a Rydberg electron: the solidification of Scolium, J. Physical Chemistry A 111, 12695-12701, 2007. [PDF]

152. Haifeng Huang and Kevin K. Lehmann, Transverse, Noise in Cavity Ring-Down Spectroscopy caused by transverse mode coupling, Optics Express 15, 8745-8759 (2007). [PDF]

151. Ozgur Birer, Paolo Moreschini, Kevin K. Lehmann and Giacinto Scoles, Electronic Spectroscopy of Non-alternant Hydrocarbons Inside Helium Nanodroplets, J. Phys. Chem. A. 111, 12200-12209 (2007). [PDF]

150. Ozgur Birer, Paolo Moreschini, Kevin K. Lehmann and Giacinto Scoles, Electronic Spectroscopy of Biphenylene Inside Helium Nanodroplets, J. Phys. Chem. A 111, 7624-7630, 2007. [PDF]

149. Kevin K. Lehmann, Lorentzian Lineshape due to an inhomogeneous size distribution without relaxation, J. Chem. Phys. 126, 024108 (2007). [PDF]

2006

148. Raul Z. Martinez, Kevin K. Lehmann, and Stuart Carter, Highly excited vibrational states of HCN around 30,000 cm^-1, J. Chem. Phys. 125, 174306 (2006). [PDF]

147. Frank Stienkemeier and Kevin K. Lehmann, Spectroscopy and dynamics in helium nanodroplets, J. Phys. B: At. Mol. Opt. Phys. 39 R127-R166 (2006). [PDF]

2005

146. T.C. Onstott, D. McGown, B. Sherwood Lollar, K.K. Lehmann, and S. Clifford, Martian CH₄: sources, flux, and detection, Astrobiology, June 2005. [PDF]

145. V. Kocharosvsky, S. Cameron, K. Lehmann, R. Lucht, R. Miles, Y. Rostovtsev, W. Warren, G.R. Welch, and Marlon O. Scully, Gain-swept superradiance applied to the stand-off detection of trace impurities in the atmosphere, Proc. of National Academy of Sciences 102, 7806-7811 (2005). [PDF]

144. Kunal K. Das, Yuri V. Rostovtsev, Kevin Lehmann, and Marlan O. Scully, Thermodynamic and noise considerations for the detection of microscopic particles in a gas by photoaccoustic Raman spectroscopy, Optics Communications 246, 551-559, 2005. [PDF]

143. Iris Scheele, Andre Conjusteau, Carlo Callegari, Roman Schmied, Kevin K. Lehmann, and Giacinto Scoles, Near-infrared spectroscopy of ethylene and ethylene dimer in superfluid helium droplets, J. Chem. Phys. 122, 104307 (2005). [PDF]

2004

142. Peter B. Tarsa, Aislyn D. Wist, Paul Rabinowitz, and Kevin K. Lehmann, Single cell detection by cavity ring-down spectroscopy, Appl. Phys. 85, 4523-4525 (2004). [PDF]

141. Roman Schmied and Kevin K. Lehmann, Computer-Generated Character Tables and Nuclear Spin Statistical Weights: Application to Benzene Dimer and Methane Dimer, J. Mole. Spectros. 226, 201-202 (2004). [PDF]

140. Roman Schmied, Pierre Çarçabal, Adriaan Dokter, Kevin K. Lehmann, and Giacinto Scoles, UV spectra of benzene isotopomers and dimers in helium nanodroplets, J. Chem. Phys. 121, 2701-2710 (2004). [PDF]

139. Peter B. Tarsa, Diane M. Brzozowski, Paul Rabinowitz, and Kevin K. Lehmann, Cavity Ring-Down Strain Gauge, Opt. Lett. 29, 1339-1341 (2004). [PDF]

138. Kevin K. Lehmann and Adriaan Dokter, Evaporative cooling of helium nanodroplets with angular momentum conservation, Phys. Rev. Lett. 92, 173401 (2004). [PDF]

137. Pierre Çarçabal, Roman Schmied, Kevin K. Lehmann and Giacinto Scoles, Helium nanodroplet isolation spectroscopy of perylene and its complexes with molecular oxygen, J. Chem. Phys. 120, 6792-6793 (2004). [PDF]

136. Raul Z. Martinez, Kevin K. Lehmann, and Stuart Carter, Spectroscopy of highly excited vibrational states of HCN in its ground electronic state, J. Chem. Phys. 120, 691-703 (2004). [PDF]

135. Kevin K. Lehmann, Bias in the temperature of a helium nanodroplet measured by an embedded rotor, J. Chem. Phys. 120, 513-515 (2004). [PDF]

134. Peter B. Tarsa, Paul Rabinowitz, and Kevin K. Lehmann, Evanescent field absorption in a passive optical fiber using continuous wave cavity ring-down spectroscopy, Chem. Phys. Lett. 383, 297-303 (2004). [PDF]

2003

133. Kevin K. Lehmann and Roman Schmied, Energetics and possible formation and decay mechanisms of Vortices in helium nanodroplets, Phys. Rev. B. 68, 224520 (2003). [PDF]

132. John B. Dudek, Peter B. Tarsa, Armando Velasquez, Mark Wladyslawski, Paul Rabinowitz, and Kevin K. Lehmann, Trace moisture detection using continuous-wave cavity ring-down spectroscopy. Anal.l Chem. 75, 4599-4609 (2003). [PDF]

131. Kevin K. Lehmann, Microcanonical Thermodynamics Properties of Helium Nanodroplets, J. Chem. Phys. 119, 3336-3342 (2003). [PDF]

130. Kevin Lehmann, Ask the Experts: How do ice skates work? Invited contribution to The Science Teacher 70, pg. 70, May 2003 issue.

129. A. Callegari, R. Pearman, S. Choi, P. Engels, H. K. Srivastava, M. Gruebele, K.K. Lehmann, and G. Scoles, Intramolecular Vibrational Relaxation in aromatic molecules II: An experimental and computational study of pyrrole and triazine, Molecular Physics 101, 551-568 (2003). [PDF]

2002

128. Kevin K. Lehmann and Carlo Callegari, Quantum Hydrodynamic Model for the enhanced moments of Inertia of molecules in Helium Nanodroplets: Application to SF₆, J. Chem. Phys., 117, 1595-1603 (2002). [PDF]Also reprinted in Virtual Journal of Nanoscale Science & Technology 6, issue 4 (July 22, 2002). [PDF]

127. John Dudek, Kevin K. Lehmann, Paul Rabinowitz, and Wen-Bin Yan, INTEC 49, 32-34 (2002).

126. Kevin K. Lehmann, Calculation of Hydrodynamic Mass for Atomic Impurities in Helium, Phys. Rev. Lett. 88, 145301-145304 (2002). [PDF]

2001

125. J. H. Reho, J. P. Higgins, M. Nooijen, K. K. Lehmann, G. Scoles, and M. Gutowski, Photoinduced nonadiabatic dynamics in quartet Na₃ and K₃ formed using Helium nanodroplet isolation., J. Chem. Phys. 115 10265-10274 (2001). [PDF]

124. Carlo Callegari, Kevin K. Lehmann, Roman Schmied, and Giacinto Scoles, Helium nanodroplet isolation ro-vibrational spectroscopy: methods and recent results, J. Chem. Phys. 115 10090-10110 (2001). [PDF]

123. K.K. Lehmann, Royal Society of Chemistry, Faraday Discussions, General Discussions 118, 43-63 (2001). [PDF]

122. J. H. Reho, J. P. Higgins, and K. K. Lehmann, Dynamics of the 1³Π_g State of K₂ on Helium Nanodroplets, Royal Society of Chemistry, Faraday Discussions (Cluster Dynamics). 118 33-42 (2001). [PDF]

121. Wen-Bin Yan, John Dudek, Kevin K. Lehmann, and Paul Rabinowitz, A fast innovative infrared analyzer for monitoring ultra-trace moisture in semiconductor gases, Tec. Pap. ISA 416, 247-256 (2001).

120. U. Arp, G.T. Fraser, A.R. Hight-Walker, T.B. Lucatorto, K.K. Lehmann, K. Harkay, N. Sereno and K.-H. Kim, Spontaneous coherent microwave emission and the sawtooth instability in a compact storage ring, Phys. Rev. Spec. Top.--Accel. Beams, 4, 054401 (2001) [PDF]

119. K.K. Lehmann, Rotation in liquid ⁴He: Lessons from a highly simplified model, J. Chem. Phys. 114, 4643-4648 (2001). [PDF]

118. J. P. Higgins, J. Reho, F. Stienkemeier, W.E. Ernst, K.K. Lehmann, and G. Scoles, Spectroscopy in, on, and off a beam of superfluid helium nanodroplets, in Molecular Beams: State of the Art 2000, ed. R. Campargue, Springer-Verlag (2001). [PDF]

2000

117. K.K. Lehmann, Buoyancy Corrections for the Potential of an Impurity in a ⁴He nanodroplet, Molecular Physics, 98, 1991-1993 (2000). [PDF]

116. H. K. Srivastava, A. Conjusteau, H. Mabuchi, A. Callegari, K.K. Lehmann, and G. Scoles, A sub-Doppler resolution double resonance molecular beam infrared spectrometer operating at chemically relevant energies (similar to 2 eV), Review of Scientific Instruments 71, 4032-4038 (2000). [PDF]

115. A. Callegari, U. Merker, P. Engels, H.K. Srivastava, K.K. Lehmann, and G. Scoles, Intramolecular vibrational redistribution in aromatic molecules I: Eigenstate resolved CH stretch first overtone spectra of benzene, J. Chem. Phys. 113, 10583-10596 (2000); 114, 3344 (2001). [PDF]

114. A. Conjusteau, C. Callegari, I. Reinhard, K.K. Lehmann, and G. Scoles, First Overtone Spectroscopy of acetylenic Stretches in ⁴He Clusters, J. Chem. Phys. 113, 10535-10550 (2000). [PDF]

113. J. Reho, J. Higgins, K.K. Lehmann, and G. Scoles, Alkali-helium exciplex formation on the surface of helium nanodroplets. II: A time-resolved study. J. Chem. Phys. 113, 9694-9701 (2000). [PDF]

112. J. Reho, J. Higgins, C. Callegari, K.K. Lehmann, and G. Scoles, Alkali-helium exciplex formation on the surface of helium nanodroplets. I: Dispersed emission spectroscopy, J. Chem. Phys. 113, 9686-9693 (2000). [PDF]

111. H.K. Srivastava, A. Conjusteau, H. Mabuchi, A. Callegari, K.K. Lehmann, and G. Scoles, Rovibrational spectroscopy of the v=6 manifold in ¹²C₂H₂ and ¹³C₂H₂, J. Chem. Phys. 113, 7376-7383 (2000). [PDF]

110. A. Conjusteau, C. Callegari, I. Reinhard, K.K. Lehmann, and G. Scoles, Microwave Spectra of HCN and DCN in ⁴He nanodroplets: A test of adiabatic following, J. Chem. Phys. 113, 4840-4843 (2000). [PDF]

109. C.R. Bucher, K.K. Lehmann, D.F. Plusquellic, and G.T. Fraser, Doppler-free nonlinear Absorption in ethylene by use of cw cavity ring down spectroscopy, Applied Optics, 39, 3154-3164 (2000). [PDF]

108. C. Callegari, I. Reinhard, K.K. Lehmann, G. Scoles, K. Nauta, and R.E. Miller, Finite-Size Effects and Molecular Relaxation in Superfluid Helium Nanodroplets: Microwave-Infrared Double Resonance Spectroscopy of Cyanaocetylene, J. Chem. Phys. 113, 4636-4646 (2000). [PDF]

107. J. Reho, U. Merker, M.R. Radcliff, K.K. Lehmann, and G. Scoles, Spectroscopy and Dynamics of Al atoms solvated in superfluid helium nanodroplets, J. Phys. Chem. A104, 3620-3626 (2000). [PDF]

106. J. Reho, U. Merker, M.R. Radcliff, K.K. Lehmann, and G. Scoles, Spectroscopy of Mg Atoms solvated in helium nanodroplets, J. Chem. Phys. 112, 8409-8416 (2000). [PDF]

105. G. Scoles and K.K. Lehmann, Nanomatrices are cool, Science 287, 2429-2430 (2000). [PDF]

104. J. Higgins, T. Hollebeek, J.H. Reho, T-S. Ho, K.K. Lehmann, H. Rabitz, G. Scoles, and M. Gutowski, On the importance of exchange effects in three-body interactions: The Lowest quartet state of Na₃, J. Chem. Phys. 112, 5751-5761 (2000). [PDF]

103. C. Callegari, A. Conjusteau, I. Reinhard, K.K. Lehmann, G. Scoles, and F. Dalfovo, Superfluid hydrodynamic model for the enhanced moments of inertia of molecules in Liquid ⁴He, Phys. Rev. Lett. 83, 5058-5061 (1999); 84, 1848 (2000). [PDF]

1999

102. G. Engel, W.B. Yan, J. Dudek, K. Lehmann, and P. Rabinowitz, Ring down spectroscopy with a Brewster’s angle prism resonator, in Laser Spectroscopy XIV International Conference, Eds. R. Blatt et al. pgs. 314-315 (World Scientific, 1999). [PDF]

101. C. Callegari, A. Conjusteau, I. Reinhard, K.K. Lehmann, and G. Scoles, From Intermolecular Forces to Condensed Phase Spectroscopy: Ro-vibrational Spectroscopy Inside Superfluid Nanodroplets, in Rovibrational Bound States in Polyatomic Molecules, Eds. M.M. Law and J.M. Hutson (CCP6, 1999). [PDF]

100. K.K. Lehmann, Potential of an neutral impurity in a large He cluster, Molecular Physics 82, 645-666 (1999). [PDF]

99. K.K. Lehmann and J. Northby, Potential of an ionic impurity in a large He cluster, Molecular Physics 82, 639-644 (1999). [PDF]

98. I. Reinhard, C. Callegari, A. Conjusteau, K. K. Lehmann and G. Scoles, Single and Double Resonance Microwave Spectroscopy in Superfluid ⁴He Clusters, Phys. Rev. Lett. 82, 5036-5039 (1999). [PDF]

97. U. Merker, H. K. Srivastava, A. Callegari, K. K. Lehmann and G. Scoles, Eigenstate resolved infrared and millimeter-wave infrared double resonance spectroscopy of methylamine in the N-H stretch first overtone region, Phys. Chem. Chem. Phys. 1, 2427-2433 (1999). [PDF]

1998

96. M. Halonen, L. Halonen, A. Callegari and K. K. Lehmann, Molecular beam infrared spectrum of nitromethane in the region of the first C-H stretching overtone, J. Phys. Chem. 102, 9124-28 (1998). [PDF]

95. R. Boyd, T-S Ho, H. Rabitz, D. Romanini and K. K. Lehmann, Inversion of absorption spectral data for relaxation matrix determination. I. Application to line mixing in the 106000 overtone transition of HCN, J. Chem. Phys. 108, 392-401 (1998). [PDF]

94. C.R. Bucher and K.K. Lehmann, Vibrationally Mediated Photodissociation of HCN, Chemical Physics Letters 294, 173-180 (1998). [PDF]

93. K.K. Lehmann, Dispersion and Cavity Ring Down Spectroscopy, pgs. 106-124, in Cavity-Ringdown Spectroscopy—An Ultratrace-Absorption Measurement Technique, eds. Kenneth W. Busch and Marianna A. Busch (ACS Books, 1999). [PDF]

92. K.K. Lehmann and G. Scoles, The Ultimate Spectroscopic Matrix? Science 279, 2065-66 (1998). [PDF]

1997

91. J. Reho, C. Callegari, J. Higgins, W.E. Ernst, K.K. Lehmann, and G. Scoles, Spin-Orbit effects in the formation of the Na/He excimer on the surface of helium clusters, Faraday Discuss. 108,161-74 (1997). [PDF]

90. J. W. Dolce, A. Callegari, B. Meyer, K. K. Lehmann and G. Scoles, Chromophore dependence of intramolecular vibrational redistribution: CH stretch first overtone vs. SiH stretch second overtone in methylsilane, J. Chem. Phys. 107, 6549-61 (1997). [PDF]

89. A. Calegari, H.K. Srivastava, U. Merker, K.K. Lehmann, G. Scoles, and M.J. Davis, Eigenstate Resolved Infrared-Infrared Double Resonance Study of Intramolecular Vibrational Relaxation in Benzene: First Overtone of the CH Stretch, J. Chem. Phys. 106, 432-35 (1997). [PDF]

1996

88. J. Higgins, W.E. Ernst, C. Callegari, J. Reho, K.K. Lehmann, G. Scoles, and M. Gutowski, Spin Polarized Alkali Clusters: Observation of Quartet States of the Sodium Trimer, Phys. Rev. Lett. 77, 4532-35 (1996). [PDF]

87. X. Yang, R.Z. Pearson, K.K. Lehmann, and G. Scoles, Molecular Beam IR Spectroscopy of the HCCCN-HCCN and HCN-HCCCCH van der Waals Complexes, J. Chem. Phys. 105, 10725-33 (1996). [PDF]

86. K.K. Lehmann and D. Romanini, The Superposition Principle and Cavity Ring Down Spectroscopy, J. Chem. Phys. 105, 10263-77 (1996). [PDF]

85. J. Higgins, C. Callegari, J. Reho, F. Stienkemeier, W.E. Ernst, K.K. Lehmann, M. Gutowski, and G. Scoles, Photoinduced Chemical Dynamics of High Spin Alkali Trimers, Science 273, 629-631 (1996). [PDF]

84. D. Romanini and K.K. Lehmann, Line-mixing in the 106000 overtone transition of HCN, J. Chem. Phys., 105, 81-88 (1996). [PDF]

83. D. Romanini and K.K. Lehmann, Calculation of the Herman-Wallis effect in the Π-Σ vibrational overtone transitions in a linear molecule: Comparison with HCN experimental results, J. Chem. Phys, 105, 68-80 (1996). [PDF]

82. J.E. Gambogi, E.R. Th. Kerstel, X. Yang, K.K. Lehmann, and G. Scoles, The 3ν₁ band of Cyanoacetylene, J. Mol. Spectrosc., 175, 198-202 (1996). [PDF]

1995

81. S.A. Henck, M.A. Mason, W-B. Yan, K.K. Lehmann, and S.L. Coy, Microwave detected, microwave-optical double resonance of NH₃, NH₂D, NHD₂, and ND₃: II. Predissociation dynamics of the à state, J. Chem. Phys., 102, 4783 -92 (1995). [PDF]

80. S.A. Henck, M.A. Mason, W-B. Yan, K.K. Lehmann, and S.L. Coy, Microwave detected, microwave-optical double resonance of NH₃, NH₂D, NHD₂, and ND₃: I. Structure and force field of the à state, J. Chem. Phys., 102, 4772-82 (1995). [PDF]

79. J.E. Gambogi, M. Becucci, C. O'Brien, K.K. Lehmann, and G. Scoles, Reinvestigation of the 2ν₁ Band in Trifluoropropyne using a Frequency Stabilized 1.5 µm Color Center Laser and a Resonant Laser Field Build-up Cavity, Berichte der Deutsche Bunsen-gesellschaft fur Physikalische Chemie, 99, 548-54 (1995). [PDF]

78. D. Romanini and K.K. Lehmann, Cavity Ring-down overtone spectroscopy of HCN, H¹³CN, and HC¹⁵N, J. Chem. Phys. 102, 633-42 (1995). [PDF]

77. J.H. Timmermans, K.K. Lehmann, and G. Scoles, Intramolecular dynamics of allene in the 6000 cm^-1 region via eigenstate-resolved overtone spectroscopy, Chem. Phys. 190, 393-406 (1995). [PDF]

76. J.E. Gambogi, R.Z. Pearson, X. Yang, K.K. Lehmann, and G. Scoles, Intramolecular vibrational dynamics of diacetylene and diacetylene-d₁ via eigenstate-resolved overtone spectroscopy, Chem. Phys. 190, 191-205 (1995). [PDF]

1994

75. K.K. Lehmann, B.H. Pate, and G. Scoles, Intramolecular Dynamics from Eigenstate-Resolved Infrared Spectra, Ann. Rev. Phys. Chem. 45, 241-74 (1994). [PDF]

74. M. Becucci, J.E. Gambogi, J.H. Timmermans, K.K. Lehmann, G. Scoles, and G.L.Gard, Molecular beam infrared spectroscopy and intramolecular dynamics of SF₅CCH in the region of the fundamental and first overtone of the acetylenic CH stretch, Chem. Phys. 187, 11-19 (1994). [PDF]

73. M.J. Davis, G.A. Bethardy, and K.K. Lehmann, Hierarchical structure in the 3ν₁ band of propyne, J. Chem. Phys. 101, 2642-43 (1994). [PDF]

72. K.K. Lehmann and Daniele Romanini, Experimental measurement of weak band intensities, in Molecules in the Stellar Environment (IAU Coll. 146), Uffe G. Jorgensen, editor (Springer-Verlag, 1994) 366-75. [PDF]

71. J.E. Gambogi, R. L'Esperance, K.K. Lehmann, and G. Scoles, Long range, resonant vibrational energy exchange in polyatomic molecules: the fundamental acetylenic CH stretching spectrum of CH₃Si(CCH)₃, J. Phys. Chem. 98, 5614-17 (1994). [PDF]

70. J.E. Gambogi, E.R. Th. Kerstel, K.K. Lehmann, and G. Scoles, Eigenstate resolved infrared-infrared double resonance spectroscopy of the 3ν₁ band of propyne: Intramolecular vibrational energy redistribution into a Coriolis coupled bath, J. Chem. Phys. 100, 2612-22 (1994). [PDF]

69. A. McIlroy, D.J. Nesbitt, E.R. Th. Kerstel, B.H. Pate, K.K. Lehmann, and G. Scoles, Subdoppler, infrared laser spectroscopy of the propyne 2ν₁ band: Evidence of z-Axis Coriolis Dominated intramolecular state mixing in the acetylenic CH stretch overtone, J. Chem. Phys. 100, 2596-2611 (1994). [PDF]

68. E.R. Th. Kerstel, K.K. Lehmann, B.H. Pate, and G. Scoles, Reinvestigation of the acetylene CH stretching fundamental of propyne via high resolution, optothermal infrared spectroscopy: non-resonate perturbations to ν₁, J. Chem. Phys. 100, 2588-95 (1994). [PDF]

1993

67. J.E. Gambogi, J.H. Timmermans, K.K. Lehmann, and G. Scoles, Enhanced instability of extreme motion states in propyne: lifetimes over overtone bands versus isoenergetic combination states, J. Chem. Phys. 99, 9314-17 (1993). [PDF]

66. E.R. Th. Kerstel, K.K. Lehmann, J.E. Gambogi, X. Yang, and G. Scoles, The ν₁ vibrational predissociation lifetime of (HCN)₂ determined from upperstate microwave-infrared double resonance measurements, J. Chem. Phys. 99, 8559-70 (1993). [PDF]

65. E.R. Th Kerstel, K.K. Lehmann, Th. F. Mentel, G. Scoles, and J.H. Timmermans, The rotationally resolved 3 µm spectrum and structure of the ICCH dimer, J. Mol. Spec. 162, 342-352 (1993). [PDF]

64. D. Romanini and K.K. Lehmann, Ring-down absorption spectroscopy of the very weak HCN overtone bands with six, seven, and eight stretching quanta, J. Chem. Phys. 99, 6287-301 (1993). [PDF]

63. K.K. Lehmann, F.J. Lovas, and R.D. Suenram, Structure and dipole moment of (CF₃)₃C-CCH, J. Mol. Spec. 160, 58-60 (1993). [PDF]

62. M.A. Mason and K.K. Lehmann, Reinvestigation of the HCP electronic spectrum: experimental determination of D₀ for the X state and observation of hyperfine quantum beats in the B state, J. Chem. Phys. 98, 5184-90 (1993). [PDF]

61. W. Klemperer, K.K. Lehmann, J.K.G. Watson, and S.C. Wofsy, Can molecules have permanent electric dipole moments? J. Phys. Chem. 97, 2413-16 (1993). [PDF]

60. D. Romanini and K.K. Lehmann, Numerical Laplace transform density of states calculation for medium and large molecules, in the harmonic and first-order anharmonic approximations, J. Chem. Phys. 98, 6437-44 (1993). [PDF]

59. J.E. Gambogi, K.K. Lehmann, B.H. Pate, G. Scoles, and X. Yang, The rate of intramolecular vibrational energy relaxation of the fundamental C-H stretch of (CF₃)₃C-CCH, J. Chem. Phys. 98, 1748-49 (1993). [PDF]

58. J.E. Gambogi, R.P. L'Esperance, K.K. Lehmann, B.H. Pate, and G. Scoles, Influence of methyl group deuteration on the rate of intramolecular vibrational energy relaxation, J. Chem. Phys. 98, 1116-23 (1993). [PDF]

1992

57. E.R. Th. Kerstel, H. Meyer, K.K. Lehmann, and G. Scoles, The rotationally resolved 1.5 µm spectrum of the HCN-HF hydrogen-bounded complex, J. Chem. Phys. 97, 8896-905 (1992). [PDF]

56. K.K. Lehmann, B.H. Pate, and G. Scoles, Intramolecular vibrational energy relaxation (IVR) in large molecules: homogeneous IVR lifetimes and the mechanism of energy relaxation, pgs. 53-66, in From Molecular Dynamics to Combustion Chemistry, S. Carra and N. Rahman, Eds. (World Scientific, Singapore, 1992). [PDF]

55. H. Heo, T-S Ho, K.K. Lehmann, and H. Rabitz, Regularized Inversion of Diatomic Vibration-Rotation Spectral Data: A Functional Sensitivity Analysis Approach, J. Chem. Phys. 97, 852-61 (1992). [PDF]

54. K.K. Lehmann, Harmonically Coupled, Anharmonic Oscillator Model for the Bending Modes of Acetylene, J. Chem. Phys. 96, 8117-19 (1992). [PDF]

53. K.K. Lehmann, The Interaction of Rotation and Local Mode Tunneling in the Overtone Spectra of Symmetric Hydrides II: The Spatial Properties of the XH₄ eigenstates", J. Chem. Phys. 96, 7402-09 (1992). [PDF]

52. F.C. Spano and K.K. Lehmann, Pulsed Polarization Spectroscopy with Strong Fields and an Optically Thick Sample, Phys. Rev. A 45, 7997-8004 (1992). [PDF]

51. K.K. Lehmann, Calculation of High Order Interactions in C₂HF Using the Cubic Force Field, J. Chem. Phys. 96, 1636-39 (1992). [PDF]

50. D. Romanini and K.K. Lehmann, Low Temperature Pressure Broadening in the ν₃ Band of Methane in Presence of Para and Ortho Hydrogen, J. Mol. Spec. 151, 54-58 (1992). [PDF]

1991

49. K.K. Lehmann, B.H. Pate, and G. Scoles, "Intramolecular Vibrational Redistribution on the Nanosecond Time Scale: ν₁ and 2ν₁ Spectra of Substituted Acetylene Compounds", in Mode Selective Chemistry, 17-23, editors J. Jortner et al. (1991). [PDF]

48. D.C. Hovde, J. Timmermans, K.K. Lehmann, and G. Scoles, High Power Injection Seeded Optical Parametric Oscillator, Optics Comm. 86, 294-300 (1991). [PDF]

47. K.K. Lehmann, B.H. Pate, and G. Scoles, On the Measurement of the Rate of Intramolecular Vibrational Energy Redistribution via High Resolution Molecular Beam Optothermal Spectroscopy, Laser Chem. 11, 237-45 (1991). [PDF]

46. E.R.Th. Kerstel, K.K. Lehmann, T.F, Mentel, B.H. Pate, and G. Scoles, Dependence of Intramolecular Vibrational Relaxation on Central Atom Substitution: The ν₁ and 2ν₁ Molecular Beam Optothermal Spectra of (CH₃)₃C-CH and (CH₃)₃Si-CCH, J. Phys. Chem. 95, 8282-8293 (1991). [PDF]

45. K.K. Lehmann, Comment on "Direct Deconvolution of Extensively Perturbed Spectra...", J. Phys. Chem. 95, 7556-57 (1991). [PDF]

44. B.H. Pate, K.K. Lehmann, and G. Scoles, The Onset of Intramolecular Vibrational Energy Redistribution and Its Intermediate Case: the ν₁ and 2ν₁ Molecular Beam, Optothermal Spectra of Trifluoropropyne, J. Chem. Phys. 95, 3891-916 (1991). [PDF]

43. K.K. Lehmann, The Interaction of Rotation and Local Model Tunnelling in the Overtone Spectra of Symmetric Hydrides, J. Chem. Phys. 95, 2361-70 (1991). [PDF]

42. A.M Smith, W. Klemperer and K.K. Lehmann, The Fallibility of Variational Calculations: Ab Initio Versus Empirical Potentials for HCN, J. Chem. Phys. 94, 5040-50 (1991). [PDF]

1990

41. K.K. Lehmann and B.H. Pate, G₁₆₂: Molecular Symmetry Group for t-Butane and Other Three Equivalent Methyl Molecules, J. Mol. Spec. 144, 443-45 (1990). [PDF]

40. K.K. Lehmann and A.M. Smith, Where Does Overtone Intensity Come From? J. Chem. Phys. 93, 6140-47 (1990). [PDF]

39. K.K. Lehmann, B.H. Pate, and G. Scoles, Statistical Intramolecular Vibration Relaxation and Its Hindrance: The Fundamentals of (CH₃)₃C-CCH and (CH₃)₃Si-CCH, J. Chem. Phys. 93, 2152-53 (1990). [PDF]

38. Y-T. Chen, D.M. Watt, R.W. Field, and K.K. Lehmann, Observations of Highly Vibrationally Excited HCP by Stimulated Emission Pumping Spectroscopy, J. Chem. Phys. 93, 2149-51 (1990). [PDF]

37. K.K. Lehmann, B.H. Pate, and G. Scoles, Eigenstate Resolved ν₁ Spectrum of CF₃CCH: Anharmonic Coupling to the Bath, J. Chem. Soc, Faraday Trans. 86, 2071-72 (1990). [PDF]

36. R.S. Judson, K.K. Lehmann, H. Rabitz, and W.S. Warren, Optimal Design of External Fields for Controlling Molecular Motion -- Application to Rotation, J. Mol. Struct. 223, 425-46 (1990). [PDF]

1989

35. S.L. Coy, R. Hernandez, and K.K. Lehmann, Limits on the Transition to GOE Behavior: Saturated Radiationless Transitions Between Strongly Coupled Potential Surfaces, Phys. Rev. A 40, 5935 (1989). [PDF]

34. K.K. Lehmann, The Absolute Intensity of Visible Overtone Bands of Acetylene, J. Chem. Phys. 91, 2759-60 (1989). [PDF]

33. K.K. Lehmann, Beyond the X-K Relations: Calculation of 1-1 and 2-2 Resonance Constants with Application to HCN and DCN, Mol. Phys. 66, 1129-37 (1989); 75, 739 (1991). [PDF]

32. A.M. Smith, W. Klemperer, and K.K. Lehmann, The Intensity of the 105-000 Transition of HCN, J. Chem. Phys. 90, 4663-34 (1989). [PDF]

31. K.K. Lehmann, Comment on Perturbation and Variational Treatments of the Morse Oscillator, Chem. Phys. 133, 331-32 (1989). [PDF]

30. A.M. Smith, S.L. Coy, W. Klemperer, and K.K. Lehmann, Fourier Transform Spectra of Overtone Bands of HCN from 5400 to 15100 cm^-1, J. Mol. Spec. 134, 134-53 (1989). [PDF]

29. S.L. Coy and K.K. Lehmann, Modeling the Rotational and Vibrational Structure of the IR and Optical Spectrum of NH₃, Spectrochemica Acta 45A, 47-56 (1989). [PDF]

1988

28. K.K. Lehmann, General Discussion, J. Chem. Soc., Faraday Trans. 2 84, pgs. 1561-61; 1592-93; 1595-96; 1601-04; 1633-34 (1988). [PDF]

27. K.K. Lehmann and S.L. Coy, Spectroscopy and Intramolecular Dynamics of Highly Excited Vibrational States of NH₃, J. Chem. Soc., Faraday Trans. 2 84, 1389-1406 (1988). [PDF]

26. K.K. Lehmann and S.L. Coy, The Optical Spectrum of NO₂: is it or is it not Chaotic? Berichte der Deutsche Bunsen-gesellschaft fur Physikalische Chemie 92, 306-11 (1988). [PDF]

25. S.A. Henck and K.K. Lehmann, Coherence Transfer between Rotation-Inversion Transitions in the ν₃ Fundamental of NH₃, Chem. Phys. Letts. 144, 281-85 (1988). [PDF]

24. A.M. Smith, U.G. Jorgensen, and K.K. Lehmann, The Intensity of HCN Overtone Transitions for 12,600 - 18,400 cm^-1, J. Chem. Phys. 87, 5649-56 (1987). [PDF]

23. K.K. Lehmann and S.L. Coy, The Spectrum of the Gaussian Orthogonal Ensemble with Missing and Spurious Levels: A Model for Experimental Level-spacing Distributions, J. Chem. Phys. 87, 5415-18 (1987). [PDF]

22. S.L. Coy and K.K. Lehmann, The Level Spacing Statistics for a Relaxation Hamiltonian, Phys. Rev. A 36, 404-7 (1987). [PDF]

1986

21. A.M. Smith, K.K. Lehmann and W. Klemperer, The Intensity and Self-Broadening of Overtone Transitions in HCN, J. Chem. Phys. 85, 4958-65 (1986). [PDF]

20. S.L. Coy, K.K. Lehmann, and F.C. Delucia, Millimeter-Wave Optical Double Resonance Spectra of NO₂: Is N a Good Quantum Number? J. Chem. Phys. 85, 4297-303 (1986). [PDF]

19. K.K. Lehmann and G.J. Scherer, High Resolution Visible Overtone Spectroscopy: A Search for Intramolecular Vibrational Relaxation, in Advances in Laser Spectroscopy, Volume 3, pg. 101-17, B.A. Garetz and J.R. Lombardi, Eds. (John Wiley & Sons, Ltd., 1986). [PDF]

18. K.K. Lehmann, On the Relationship of Normal Modes to Local Modes in the Vibrations of D_6h Symmetry Molecules, J. Chem. Phys. 84, 6524-25 (1986). [PDF]

17. S.L. Coy and K.K. Lehmann, Rotational Structure of the Ammonia N-H Stretch Overtones: Five and Six Quanta Bands, J. Chem. Phys. 84, 5239-49 (1986). [PDF]

1985

16. K.K. Lehmann, S.L. Coy, Microwave Detected, Microwave-Optical Double Resonance Spectra of NO₂: A Test of Hardwick's Ergodicity Conjecture, J. Chem. Phys. 83, 3290-96 (1985). [PDF]

15. K.K. Lehmann, S.C. Ross, and L.L. Lohr, Experimental and Ab Initio Determination of the Bending Potential of HCP, J. Chem. Phys. 82, 4460-69 (1985). [PDF]

1984

14. G.J. Scherer, K.K. Lehmann, and W. Klemperer, The High-Resolution Visible Overtone Spectrum of CH₄ and CD₃H at 77K, J. Chem. Phys. 81, 5319-25 (1984). [PDF]

13. K.K. Lehmann and S.L. Coy, Use of Microwave Detected Microwave-Optical Double Resonance to Assign the 6450 Å Band of NH₃, J. Chem. Phys. 81, 3744-45 (1984). [PDF]

12. K.K. Lehmann, Comment on High-Lying Levels of Ozone Via an Algebraic Approach, J. Phys. Chem. 88, 1047 (1984). [PDF]

1983

11. T. Simpson, E. Masur, K.K. Lehmann, I. Burak, and N. Bloembergen, The Multiphoton Excitation and Dissociation of DN₃ and HN₃, J. Chem. Phys. 79, 3373-81 (1983). [PDF]

10. K.K. Lehmann, G.J. Scherer, and W. Klemperer, Variational Calculation of the Rotational Constants for Acetylene and its Isotopic Derivatives, J. Chem. Phys. 79, 1369-73 (1983). [PDF]

9. K.K. Lehmann, On the Relation of Child and Lawton's Harmonically Coupled Anharmonic-Oscillator Model and Darling-Dennison Coupling, J. Chem. Phys. 79, 1098 (1983). [PDF]

8. K.K. Lehmann, G.J. Scherer, and W. Klemperer, Comment on The Overtone Spectrum of Acetylene: A Rotational Analysis Based on a Local Model Description, J. Chem. Phys. 79, 530-32 (1983). [PDF]

7. G.J. Scherer, K.K. Lehmann, and W. Klemperer, The High-Resolution Visible Overtone Spectrum of Acetylene, J. Chem. Phys. 78, 2817-32 (1983). [PDF]

6. K.K. Lehmann, G.J. Scherer, and W. Klemperer, Response to Highly Excited States of HCN: The Probable Applicability of Classical Dynamics, J. Chem. Phys. 78, 608-09 (1983). [PDF]

1982

5. K.K. Lehmann, G.J. Scherer, and W. Klemperer, Classical Chaos and Quantum Simplicity: Highly Excited Vibrational States of HCN, J. Chem. Phys. 77, 2853-61 (1982). [PDF]

4. K.K. Lehmann, G.J. Scherer, and W. Klemperer, Highly Excited States of HCN: The Inapplicability of Classical Dynamics, J. Chem. Phys. 76, 6441-42 (1982). [PDF]

1979

3. K.K. Lehmann, J. Smolarek, O.S. Khalil, and L. Goodman, "Vibrational Assignments for the Raman and the Phosphorescence Spectra of 9,10 Anthraquinone and 9,10 Anthraquinone-d₈," J. Phys. Chem. 83, 1200-05 (1979). [PDF]

1978

2. K.K. Lehmann, J. Smolarek, and L. Goodman, "Multiphoton Resonance Ionization Bands of I₂," J. Chem. Phys. 69, 1569-73 (1978). [PDF]

1977

1. J.R. Krenos, K.K. Lehmann, J.C. Tully, P.M. Hierl, and G.P. Smith, "Crossed-Beam Study of the Reactions of H₂+ with D₂ and D₂+ with H₂," Chem. Phys. 16, 109-116 (1976). [PDF]

United States Patents:

8. K.K. Lehmann, P. Rabinowitz, and P.B. Tarsa, Method and Apparatus for enhanced evanescent field exposure in an optical fiber resonator for spectroscopic detection and measurement of trace species, #7318909 (January 15, 2008), #7504068, (March 17,2009), #7504263 (March 17, 2009). [PDF]

7. K.K. Lehmann, Yu Chen, and Wen-Bin Yan, Analytical Sensitivity Enhancement by Catalytic Transformaton, #7255836 (August 14, 2007). [PDF]

6. K.K. Lehmann, P. Rabinowitz, and P.B. Tarsa, Fiber Optic Based Cavity Ring-Down Spectroscopy Apparatus,#7046362 (May 16, 2006). [PDF]

5. K.K. Lehmann and P. Rabinowitz, System and method of data reduction for improved exponential decay measurements, #6915240 (July 5, 20050. [PDF]

4. K.K. Lehmann and P. Rabinowitz, Low Loss Prism Retroreflectors for Relative Index of Refraction Less Than the Square Root of 2, #6,172,824 (January 9, 2001). [PDF]

3. K.K. Lehmann and P. Rabinowitz, Mode Matching for Cavity Ring-Down Spectroscopy Based Upon Brewster’s Angle Prism Retroreflectors, #6,172,823 (January 9, 2001). [PDF]

2. K.K. Lehmann and P. Rabinowitz, High-Finesse Optical Resonator for Cavity Ring-Down Spectroscopy based upon Brewster’s Angle Prism Retroreflectors, #5,973,864 (October 26, 1999) [PDF]; #6,097,555 (August 1, 2000).

1. K.K. Lehmann, Ring-Down Cavity Spectroscopy Cell using Continuous Wave Excitation for Trace Species Detection, #5,528,040 (June 18, 1996). [PDF]