REU

Department of Physics
16 Memorial Dr. East                        Back to Lehigh Physics Department Home Page
Lehigh University
Bethlehem, PA 18015
USA

phone:  610-758-3926                       Link to Research Experiences for Undergraduates (REU) Home Page
fax: 610-758-5730
jph7@lehigh.edu
 
 
 

Curriculum Vitae
 
 
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Teaching

        Course Information

            Physics 422 - Fall 2009, Fall 2010, Fall 2011

                  Physics 262 - Advanced Lab - Spring 2008 

                  Physics 212 - Fall 2008

                  Physics 421 - Spring 2006, Spring 2007
                 

                  Physics 362 - Fall 2005  

Research
 

            Group Members

Picture Gallery
 

        Recent Publications

“Quantum control of the spin-orbit coupling interaction using the AC Stark effect”,  E. H. Ahmed, S. Ingram, T. Kirova, O. Salihoglu, J. Huennekens, J. Qi, Y. Guan, and A. M. Lyyra, Phys. Rev. Lett. 107, 163601 (5 pages) (2011).

“Electromagnetically induced transparency in an open V-type molecular system”, A. Lazoudis, T. Kirova, P. Qi, E. H. Ahmed, J. Huennekens, and A. M. Lyyra, Phys. Rev. A 83, 063419 (12 pages) (2011).

“Collisional transfer of population and orientation in NaK”, C. M. Wolfe, S. Ashman, J. Bai, B. Beser, E. H. Ahmed, A. M. Lyyra, and J. Huennekens, J. Chem. Phys. 134, 174301 (17 pages) (2011).
            Copyright (2011) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the  American Institute of Physics.  The article may be found at (http://link.aip.org/link/?JCP/134/174301).

“Global analysis of data on the spin-orbit coupled A¹Σu+ and b³Π_u states of Cs₂”, J. Bai, E. H. Ahmed, B. Beser, Y. Guan, S. Kotochigova, A. M. Lyyra, S. Ashman, C. M. Wolfe, J. Huennekens, F. Xie, D. Li, L. Li, M. Tamanis, R. Ferber, A. Drozdova, E. Pazyuk, A. V. Stolyarov, J. G. Danzl, H.-C. Nägerl, N. Bouloufa, O. Dulieu, C. Amiot, H. Salami, and T. Bergeman, Phys. Rev. A 83, 032514 (17 pages) (2011).

“NaK bound-free and bound-bound 4³Σ+ → a³Σ⁺ emission”, B. M. McGeehan, S. Ashman, C. M. Wolfe, R. Steinhardt, M. L. Monaco, J. Huennekens, and A. P. Hickman, J. Mol. Spectrosc. 265, 74-80 (2011).
           Supplementary Materials for “NaK bound-free and bound-bound 4³Σ+ → a³Σ⁺ emission”   

“Effect of spin-orbit coupling on the coupled 3³Π and 4³Π excited states of NaK”, A. Wilkins, L. Morgus, J. Huennekens, and A. P. Hickman, J. Mol. Spectrosc. 258, 13-19 (2009).
            Supplementary Materials for “Effect of spin-orbit coupling on the coupled 3³Π and 4³Π excited states of NaK”.

“Spectroscopic observations, spin-orbit functions, and coupled channels deperturbation analysis of data on the A¹Σ_u⁺ and b³Π_u states of Rb₂”, H. Salami, T. Bergeman, B. Beser, J. Bai, E. Ahmed, S. Kotochigova, A. M. Lyyra, J. Huennekens, C. Lisdat, A. V. Stolyarov, O. Dulieu, P. Crozet, and A. J. Ross, Phys. Rev. A 80, 022515 (14 pages) (2009).

“Measurement of absolute transition dipole moment functions of the 3¹Π → 1(X)¹Σ⁺ and 3¹Π → 2(A)¹Σ⁺ transitions in NaK using Autler-Townes spectroscopy and calibrated fluorescence”, S. J. Sweeney, E. Ahmed, P. Qi, T. Kirova, A. M. Lyyra, and J. Huennekens, J. Chem. Phys. 129, 154303 (10 pages) (2008).

“The ³⁹K₂ 2³Σ_g⁺ state: Observation and analysis”, D. Li, F. Xie, Li Li, V. B. Sovkov, V. S. Ivanov, E. Ahmed, A. M. Lyyra, J. Huennekens, and S. Magnier, J. Chem. Phys. 126, 194314 (2007). (9 pages.)
           Appendix to “The ³⁹K₂ 2³Σ_g⁺ state: Observation and analysis”

“Nonadiabatic coupling in the 3³Π and 4³Π states of NaK”, R. D. Miles, L. Morgus, D. O. Kashinski, J. Huennekens, and A. P. Hickman, J. Chem. Phys. 125, 154304 (2006). (11 pages.)
           EPAPS tables for “Nonadiabatic coupling in the 3³Π and 4³Π states of NaK” 

“The NaK 1^1,3Δ states: Theoretical and experimental studies of fine and hyperfine structure of ro-vibrational levels near the dissociation limit”, A. D. Wilkins, L. Morgus, J. Hernandez-Guzman, J. Huennekens, and A. P. Hickman, J. Chem. Phys. 123, 124306 (2005).  (12 pages.)
           EPAPS tables for “The NaK 1^1,3Δ states: Theoretical and experimental studies of fine and hyperfine structure of ro-vibrational levels near the dissociation
           limit”

“Experimental study of the NaK 3³Π double minimum state”, L. Morgus, P. Burns, R. D. Miles, A. D. Wilkins, U. Ogba, A. P. Hickman, and J. Huennekens, J. Chem. Phys. 122, 144313 (2005).  (10 pages.)
           EPAPS tables for “Experimental study of the NaK 3³Π double minimum state”

“The NaK 1(b)³Π_Ω=0 state hyperfine structure and the 1(b)³Π_Ω=0 ~ 2(A)¹Σ⁺ spin-orbit interaction”, P. Burns, A. D. Wilkins, A. P. Hickman, and J. Huennekens - J. Chem. Phys. 122, 074306 (2005).  (8 pages.)
           EPAPS tables for “The NaK 1(b)³Π_Ω=0 state hyperfine structure and the 1(b)³Π_Ω=0 ~ 2(A)¹Σ⁺ spin-orbit interaction”

“Thermalization of fast cesium 5D_3/2 atoms in collisions with ground-state cesium atoms”, A. Marks, A. P. Hickman, A. D. Streater, and J. Huennekens - Phys. Rev. A 71, 012711 (2005).  (14 pages.)

“The 4³Σ⁺ state of NaK: Potential energy curve and hyperfine structure”, P. Burns, L. Sibbach-Morgus, A. D. Wilkins, F. Halpern, L. Clarke, R. D. Miles, Li Li, A. P. Hickman, and J. Huennekens - J. Chem. Phys. 119, 4743-4754 (2003).
           EPAPS Table 1 for “The 4³Σ⁺ state of NaK: Potential energy curve and hyperfine structure”
           EPAPS Table 2 for “The 4³Σ⁺ state of NaK: Potential energy curve and hyperfine structure”
           EPAPS Table 3 for “The 4³Σ⁺ state of NaK: Potential energy curve and hyperfine structure”

“Hyperfine structure of the 1³Δ_g, 2³Π_g, and 3³Σ_g⁺ states of ⁶Li⁷Li”, Li Li, A. Lazoudis, P. Yi, Y. Liu, J. Huennekens, R. W. Field, and A. M. Lyyra, J. Chem. Phys. 116, 10704–10712 (2002).

“Experimental studies of the NaK 1³Δ state”, J. Huennekens, I. Prodan, A. Marks, L. Sibbach, E. Galle, T. Morgus, and Li Li - J. Chem. Phys. 113, 7384-7397 (2000).
           EPAPS Table 1 for “Experimental studies of the NaK 1³Δ state”
           EPAPS Table 2 for “Experimental studies of the NaK 1³Δ state”

“The 4³Π_g state of Na₂: Vibrational numbering and hyperfine structure”, G. Lazarov, A. M. Lyyra, Li Li, and J. Huennekens - J. Mol. Spectrosc. 196, 259-264 (1999).

“Rotational pattern difference in resolved fluorescence spectra with different detection schemes”, H. Chen, Li Li, G. Lazarov, X. Wang, A. M. Lyyra, J. Huennekens, and R. W. Field - J. Mol. Spectrosc. 196, 197-211 (1999).

“New vibrational numbering and potential energy curve for the 3³Π_g electronic state of the Li₂ molecule”, V. S. Ivanov, V. B. Sovkov, Li Li, A. M. Lyyra, G. Lazarov, and J. Huennekens - J. Mol. Spectrosc. 194, 147-155 (1999).

“Experimental study of the NaK 3¹Π state”, E. Laub, I. Mazsa, S. C. Webb, J. La Civita, I. Prodan, Z. J. Jabbour, R. K. Namiotka, and J. Huennekens - J. Mol. Spectrosc. 193, 376-388 (1999).  “Erratum to ‘Experimental study of the NaK 3¹Π state’[J. Mol. Spectrosc. (1999) 193 376-388]”, E. Laub, I. Mazsa, S. C. Webb, J. La Civita, I. Prodan, Z. J. Jabbour, R. K. Namiotka, and J. Huennekens - J. Mol. Spectrosc. 221, 142-144 (2003).
           EPAPS Table 1 Revised for  “Erratum to ‘Experimental study of the NaK 3¹Π state’[J. Mol. Spectrosc. (1999) 193 376-388]”  
           EPAPS Figures 4 and 5 Revised for  “Erratum to ‘Experimental study of the NaK 3¹Π state’[J. Mol. Spectrosc. (1999) 193 376-388]”

“Experimental study of cesium 6P_J + 6P_J → 7P_J' + 6S  energy pooling collisions and modelling of the excited atom density in the presence of optical pumping and radiation trapping”, F. de Tomasi, S. Miloševic, P. Verkerk, A. Fioretti, M. Allegrini, Z. J. Jabbour, and J. Huennekens - J. Phys. B 30, 4991-5008 (1997).

“Energy-pooling collisions in potassium: 4P_J + 4P_J → 4S + (nl = 5P, 6S, 4D)”, R. K. Namiotka, J. Huennekens, and M. Allegrini - Phys. Rev. A 56, 514-520 (1997).

“A study of the predissociation of NaK molecules in the 6¹Σ⁺ state by optical-optical double resonance spectroscopy”, Z. J. Jabbour and J. Huennekens - J. Chem. Phys. 107, 1094-1105 (1997).
           PAPS Tables for “A study of the predissociation of NaK molecules in the 6¹Σ⁺ state”

“Energy pooling collisions in cesium: 6P_J + 6P_J → 6S + (nl = 7P, 6D, 8S, 4F)”, Z. J. Jabbour, R. K. Namiotka, J. Huennekens, M. Allegrini, S. Miloševic, and F. de Tomasi - Phys. Rev. A 54, 1372-1384 (1996).

“Diffusion of barium atoms in the 6s5d ³D_J metastable levels and the 6s^2 1S₀ ground state through noble-gas perturbers”, R. K. Namiotka, E. Ehrlacher, J. Sagle, M. Brewer, D. J. Namiotka, A. P. Hickman, A. D. Streater, and J. Huennekens - Phys. Rev. A 54, 449-461 (1996).

“Measurement and modelling of intensity dependent absorption and transit relaxation on the cesium D₁ line”, J. Sagle, R. K. Namiotka, and J. Huennekens - J. Phys. B 29, 2629-2643 (1996).

“Measurement of the self-broadening rate coefficients of the cesium resonance lines”, Z. J. Jabbour, J. Sagle, R. K. Namiotka, and J. Huennekens - J. Quant. Spectrosc. Radiat. Transfer 54, 767-778 (1995).

“Thermalization of velocity-selected excited-state populations by resonance exchange collisions and radiation trapping”, J. Huennekens, R. K. Namiotka, J. Sagle, Z. J. Jabbour, and M. Allegrini - Phys. Rev. A. 51, 4472-4482 (1995).

“Excitation transfer among, and quenching of, the barium 6s5d ³D_J metastable levels due to collisions with argon, nitrogen, and barium perturbers”, E. Ehrlacher and J. Huennekens - Phys. Rev. A 50, 4786-4793 (1994).

“Noble-gas  broadening  rates  for  the  6s^{2 1}S₀→ 6s6p ^1,3P₁ resonance and intercombination lines of barium”, E. Ehrlacher and J. Huennekens - Phys. Rev. A 47, 3097-3104 (1993).

 “Spin-orbit  perturbations  between  the  A(2)¹Σ⁺  and b(1)³Π₀ states of NaK”, H. Sun and J. Huennekens - J. Chem. Phys. 97, 4714-4722 (1992).

“Noble-gas broadening rates for barium transitions involving the metastable 6s5d ³D_J levels”, E. Ehrlacher and J. Huennekens - Phys. Rev. A 46, 2642-2648 (1992).

“Radiative lifetimes, collisional mixing, and quenching of the cesium 5D_J levels”, A. Sasso, W. Demtröder, T. Colbert, C. Wang, E. Ehrlacher, and J. Huennekens - Phys. Rev. A 45, 1670-1683 (1992).

“Radiation trapping in the far wings of the foreign-gas broadened potassium resonance lines”, T. Colbert and J. Huennekens - Phys. Rev. A 44, 4753-4756 (1991).

“Radiation trapping under conditions of low to moderate line-center optical depth”, T. Colbert and J. Huennekens - Phys. Rev. A 41, 6145-6154 (1990).

“Bound-free 1³Π → 1³Σ⁺ emission from the NaK molecule: determination of the 1³Σ⁺ repulsive wall above the dissociation limit”, M. Masters, J. Huennekens, W. T. Luh, L. Li, A. M. Lyyra, K. Sando, V. Zafiropulos, and W. C. Stwalley - J. Chem. Phys. 92, 5801-5813 (1990).