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
 
 
Laser Safety
    
                   Laser Safety Guidelines (movie format)

                   Laser Safety Guidelines (PowerPoint format)

                   AMO Laser Safety Training Handbook

                   Lockout/Tagout Training  

                   Standard Operating Procedures (SOP)

                   Alkali Metals and H₂0
 

Teaching

        Course Information

            Physics 422 - Fall 2009

                  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

“Effect of spin-orbit coupling on the coupled 3³P and 4³P excited states of NaK", A. Wilkins, L. Morgus, J. Huennekens, and A. P. Hickman, J. Mol. Spectrosc. (7 pages) (in press).

“Spectroscopic observations, spin-orbit functions, and coupled channels deperturbation analysis of data on the A¹S_u⁺ and b³P_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 3¹P® 1(X)¹S⁺ and 3¹P® 2(A)¹S⁺ 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 2³S_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 2³S_g⁺ state: Observation and analysis”

“Nonadiabatic coupling in the 3³P and 4³P 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 3³P and 4³P states of NaK” 

“The NaK 1^1,3D 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 1^1,3D states: Theoretical and experimental studies of fine and hyperfine structure of ro-vibrational levels near the dissociation
           limit”

“Experimental study of the NaK 3³P 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 3³P double minimum state”

“The NaK 1(b)³P_W=0 state hyperfine structure and the 1(b)³P_W=0 ~ 2(A)¹S⁺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)³P_W=0 state hyperfine structure and the 1(b)³P_W=0 ~ 2(A)¹S⁺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 4³S⁺ 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 4³S⁺ state of NaK: Potential energy curve and hyperfine structure”
           EPAPS Table 2 for “The 4³S⁺ state of NaK: Potential energy curve and hyperfine structure”
           EPAPS Table 3 for “The 4³S⁺ state of NaK: Potential energy curve and hyperfine structure”

“Hyperfine structure of the 1³D_g, 2³P_g, and 3³S_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 1³D 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 1³D state”
           EPAPS Table 2 for “Experimental studies of the NaK 1³D state”

“The 4³P_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 3³P_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 3¹P 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 3¹P 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 3¹P state’[J. Mol. Spectrosc. (1999) 193 376-388]”  
           EPAPS Figures 4 and 5 Revised for  “Erratum to ‘Experimental study of the NaK 3¹P 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 6¹S⁺ 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 6¹S⁺ 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)¹S⁺  and b(1)³P₀ 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 1³P® 1³S⁺ emission from the NaK molecule: determination of the 1³S⁺ 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).