John Huennekens


 

Professor of Physics

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. 258, 13-19 (2009).
           
Supplementary Materials for Effect of spin-orbit coupling on the coupled 33P and 43P excited states of NaK.

Spectroscopic observations, spin-orbit functions, and coupled channels deperturbation analysis of data on the A1Su+ and b3Pu 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 31 1(X)1S+ and 31 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).

“Experimental mapping of the absolute magnitude of the transition dipole moment function me(R) of the Na2 A1Su+ - X1Su+ transition, E. H. Ahmed, P. Qi, B. Beser, J. Bai, R. W. Field, J. P. Huennekens, and A. M. Lyyra, Phys. Rev. A 77, 053414 (7 pages) (2008).

“Hyperfine state changing collisions of Cs(6P1/2) atoms with argon perturbers”, L. Morgus, T. Morgus, T. Drake, and J. Huennekens, Phys. Rev. A. 77, 032704 (12 pages) (2008).

“Spin-orbit coupling of the NaK 33P and 31P states: Determination of the coupling constant and observation of quantum interference effects”, S. Eckel, S. Ashman, and J. Huennekens, J. Mol. Spectrosc. 242, 182-194 (2007).
Supplementary Table to “Spin-orbit coupling of the NaK 33P and 31P states: Determination of the coupling constant and observation of quantum interference effects”

“The 39K2 23Sg+ 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 23Sg+ 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 11,3D 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 11,3D 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)3PW=0 state hyperfine structure and the 1(b)3PW=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)3PW=0 state hyperfine structure and the 1(b)3PW=0 ~ 2(A)1S+spin-orbit interaction”

“Thermalization of fast cesium 5D3/2 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 13Dg, 23Pg, and 33Sg+ 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 43Pg 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 33Pg 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 6PJ + 6PJ ® 7PJ' + 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: 4PJ + 4PJ ® 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: 6PJ + 6PJ ® 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 3DJ metastable levels and the 6s2 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 3DJ 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  6s2 1S0® 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 3DJ levels”, E. Ehrlacher and J. Huennekens - Phys. Rev. A 46, 2642-2648 (1992).

“Radiative lifetimes, collisional mixing, and quenching of the cesium 5DJ 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 13 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).
 
 
 
 
 


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Last Modified: Thursday December 3, 2009, 1:40 pm EST.