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Dr. James Lewis

UT Alumni Distinguished Service
Professor of Physics
University of Tennessee Space Institute
Tullahoma, TN 37388-9700

Phone: (931) 393-7474
jlewis@utsi.edu

 

Education

1966 – Ph.D. in Physics, University of Mississippi.

Professional Experience

  • Over 25 years of experience in graduate education and research and development in the areas of laser, molecular and fluid physics.
  • Presented graduate level courses in the traditional areas of physics and nonequilibrium fluid physics and nonlinear optics.
  • Developed radiative scattering and extinction measurement methods and mathematical deconvolution techniques for the study of particle formation processes.
  • Conducted research in the area of laser-induced plasma and combustion phenomena.

Research

Major research grants/contracts in:

  • Textron-Lycoming, “Radiative Ignition of Fuel Spray Mixtures.”

  • B.F. Goodrich, “Ignition Test Rig/Advanced Ignition System Test Program.”

  • Wright-Patterson AFB, “Photon Beam Concentrator,”

  • Sverdrup Technologies/Horsehead Development, “The Performance of Laser-Raman Combustor Flowfield Measurements.”

Publications

  1. “The Effect of Developmental Delay and Type of Strabismus on the Reliability of Photorefractive Screening in Young Children”, Natalie C. Kerr, Ying-Ling Chen, Grant Somes, and J. W. L. Lewis, 2005 AAPOS Annual Meeting.
  2. “Computer eye modeling in ocular telemedicine” Ying-Ling Chen, J. W. L. Lewis and Karen Fox, Telemedicine and e-Health, vol. 10, Supplement 1, T1a3, page S-45. 2004.
  3. “Computer real-time analysis in mobile ocular screening” Ying-Ling Chen, J. W. L. Lewis, and Karen Fox, Telemedicine and e-Health, vol. 10, Supplement 1, P14, page S-96. 2004.
  4. “Telehealth Practice Recommendations for Diabetic Retinopathy” , American Telemedicine Association Position Statement 2004, J. W. L. Lewis, Ying-Ling Chen contributors in document.
  5. “Simulation of Ametropic Human Eyes” Bo Tan, Ying-Ling Chen, and J. W. L. Lewis, 71st Annual Meeting of the Southeastern Section, Oak Ridge , TN, November 11-13, 2004.
  6. “Simulating Photo-Refraction Images of Keratoconus and Near-Sightedness Eyes”, Kevin Baker, Ying-Ling Chen, and J. W. L. Lewis, 71st Annual Meeting of the Southeastern Section, Oak Ridge , TN, November 11-13, 2004.
  7. “Theoretical Considerations of Photorefraction Using Model Eyes”, Bo Tan, Ying-Ling Chen, and J. W. L. Lewis, Optics in the Southeast (OISE), OSA Annual meeting and Exhibit, Charlotte, North Carolina, November 4-5, 2004.
  8. “Detecting Keratoconus Using Photo-Refraction Technique”, ”, Kevin Baker, Ying-Ling Chen, and J. W. L. Lewis, Optics in the Southeast (OISE), OSA Annual meeting and Exhibit, Charlotte, North Carolina, November 4-5, 2004.
  9. “Simulation of eccentric photorefraction images", Ying-Ling Chen, Bo Tan, and J. W. L. Lewis, Optics Express Vol. 11, No. 14  1628-1642, 2003.
  10. “Locating Retinal Landmarks in Fundus Photographs” Kevin Baker, Ying-Ling Chen, J. W. L. Lewis and Bo Tan, Optics in the southeast meeting, Orlando Florida, 2003.
  11. ATA/NIST Teleophthalmology Workshop – Veterans Administration, Silver Spring, MD, May, 28-29, 2003 – Invited attendance; ~20 attendees, 16 M.D.’s, 2 engineers, 2 physicists.
  12. Ocular tele-health in Rural Settings ” Ying-Ling Chen and J. W. L. Lewis, Telemedicine and Advanced Technology Research Center (TATRC) Ocular Telehealth Scientific Workshop, July 8-10, 2003.
  13. “Evaluation of eccentric photorefraction method in measuring axial and refractive types of ametropia of human eye” Bo Tan,Ying-Ling Chen, J. W. L. Lewis and Kevin Baker, Optics in the southeast meeting, Orlando, Florida, 2003.
  14. “Theoretical investigation of aberrations upon ametropic human eyes”, Bo Tan, Ying-Ling Chen, J. W. L. Lewis and Kevin Baker, SESAPS annual meeting, Wrightsville Beach, NC (2003).
  15. “Effects of human eye parameters in retinascope images.” Ying-Ling Chen, J. W. L. Lewis Latsavongsakda Sethaphong, and Bo Tan, SESAPS annual meeting, no.10056, Auburn, Alabama (2002).
  16. “Time-resolved NH and OH images in laser-ignition.” Ying-Ling Chen and J. W. L. Lewis , Technical Digest of the OSA Annual meeting and Exhibit/LS-XVIII, Orlando, Florida, paper WB, 2002.
  17. “Eye-screening digital retinascope image simulation.” Ying-Ling Chen and J. W. L. Lewis , Technical Digest of the OSA Annual meeting and Exhibit/LS-XVIII, Orlando, Florida, paper TuL, 2002.
  18. “Pediatric eye-screening instrumentation and telemedicine.” J. W. L. Lewis and Ying-Ling Chen, the 4th Tennessee BME Conference, Memphis, TN, 2002.
  19. "Visualization of Laser-Induced Breakdown and Ignition" Ying-Ling Chen and J.W.L.Lewis, Optics Express, v ol. 9, no. 7, 2001.
  20. "Pediatric Eye Screening using Digital Retinascope"  Ying-Ling Chen, J. W. L. Lewis and David Thomas, Optics in the southeast meeting, no.34969,  (2001).
  21. "Pediatric Eye Screening Instrumentation" Ying-Ling Chen, J. W. L. Lewis and David Thomas SESAPS annual meeting, no.10056, Charlottesville, Virginia (2001).
  22. "Probability Distribution of Laser-Induced Breakdown and Ignition of Ammonia," Y.-L. Chen and J.W.L. Lewis, J. Quant. Spectr. & Radiat. Trans. 66, 41 (2000)
  23. "Spatial and Temporal Profiles of Pulsed Laser-Induced Air Plasma Emissions" Y.-L. Chen and J.W.L. Lewis, J. Quant. Spectr. & Radiat. Trans. 67, 91 (2000). 
  24. "NH and OH PLIF Measurements of Laser-Induced Breakdown and Ignition" W. Qin, Y.-L. Chen, J. W. L. Lewis, and C. Parigger, Technical Digest of the OSA Annual meeting and ILS-XVI Conference, Providence, Rhode Island, paper ThHH1, 2000.
  25. "On Laser-Ignition Modeling" I. Dors, C. Parigger, Y.-L. Chen, and J. W. L. Lewis, Technical Digest of the OSA Annual meeting and ILS-XVI Conference, Providence, Rhode Island, paper ThHH2, 2000.
  26. "Human Eye Model Effects on Digital Retinascopic Diagnostic" Y.-L. Chen, J. W. L. Lewis, and C. Parigger, SESAPS annual meeting Starkville, MI, DC1(2000).
  27. "Cataract Characterization Using Multi-Wavelength Extinction Measurement" P. Jeleva, Y.-L. Chen, and J. W. L. Lewis, SESAPS annual meeting Starkville, MI, DC7(2000).
  28. "CFD Laser-Ignition Predictions and Rate Kinetics Models" C. Beatty, W. Qin, Y.-L. Chen, and   J. W. L. Lewis, SESAPS annual meeting Starkville, MI, FB1(2000).
  29. "Laser-Induced Ignition Modeling and Comparison with Experiments" I. Dors, W. Qin, Y.-L. Chen, C. Parigger, and J. W. L. Lewis, SESAPS annual meeting Starkville, MI, FB5(2000).
  30. "Laser-Induced Gas Breakdown---Modeling of the Onset Plasma from Experimental Observation" W. Qin, Y.-L. Chen, J. W. L. Lewis, and C. Parigger, SESAPS annual meeting Starkville, MI, FB8(2000).
  31. “Laser Ignition Planar Laser-Induced Fluorescence Temperature Measurements,” W. Qin, J.W.L Lewis, C. Parigger, and Y.-L. Chen, Technical Digest of the OSA Annual meeting and ILS-XIV Conference, Santa Clara, CA, paper MQ6, 1999.
  32. “Laser-Spark Ignition Computational Modeling,” I.G. Dors, Y.-L. Chen, J.W.L. Lewis and C. Parigger, Technical Digest of the APS meeting of the SES presented at the 66 th Annual Meeting in Chapel Hill, NC, paper FD 7, November 1999. http://www.aps.org/meet/SES99/baps/abs/S270007.html
  33. “Planar Laser-Induced Fluorescence Studies of Laser-Induced Ignition,” W. Qin, Y.-L. Chen, C. Parigger and J.W.L. Lewis, Technical Digest of the APS meeting of the SES presented at the66th Annual Meeting in Chapel Hill, NC, paper FD 8, http://www.aps.org/meet/SES99/baps/abs/ S27009.html, November 1999.
  34. "Spectroscopic temperature determination of aluminum monoxide in laser ablation with 266-nm radiation" I. G. Dors, C. Parigger, and J. W. L. Lewis, Optics Letters, Vol.23, No.. 22, 1778-1780, November 15, 1998.
  35. "Laser ignition of NH3/O2 mixtures" Ying-Ling Chen, J. W. L. Lewis, and C. G. Parigger, OSA 1998 annual meeting and ILS-XIV conference, Baltimore, Maryland.
  36. "Probability distribution functions of fluorescence and absorbed energy in laser-induced breakdown and ignition" Ying-Ling Chen, J. W. L. Lewis, and C. G. Parigger, OSA 1998 annual meeting and ILS-XIV conference, Baltimore, Maryland.
  37. "Investigation of laser-induced shock wave interactions" I. G. Dors, C. Parigger, J. W. L. Lewis, and Y. Chen, OSA 1998 annual meeting and ILS-XIV conference, Baltimore, Maryland.
  38. "Spherical aberration effects in lens-axicon doublets: theoretical study" Christian Parigger, Y. Tang, D. H. Plemmons, and J. W. L. Lewis, Applied Optics, Vol. 36, No. 31, 8214-8221, November 1, 1997.
  39. "Time-resolved images of laser-induced gas ignition using high-speed photographic and spectroscopic techniques" Ying-Ling Chen, J.W.L.Lewis and C.G.Parigger, Submitted to American Physical Society for presentation in 1997 conference in south-east section, Nashville.
  40. "Time-resolved measurements of laser-induced gas breakdown and ignition" Ying-Ling Chen, J.W.L.Lewis and C.G.Parigger, OSA annual meeting and ILS-XIII conference, Long Beach, California, paper THFF41, 1997.
  41. "Visualization of laser-induced plasma histories" C.G.Parigger, D.H.Plemmons, G.Guan, Y.Chen and J.W.L.Lewis, 1996 OSA annual meeting, ILS-XII and IS&T/Optics and imaging in the information age meeting, Rochester, NY, 1996.
  42. "Two-dimensional temperature measurement in laser-induced breakdown (LIB) using planar laser-induced fluorescence (PLIF)" Ying-Ling Chen, C.G.Parigger, D.H.Plemmons and J.W.L.Lewis, Bulletin of American Physical Society , Vol. 41, no. 3, 1124  (1996).
  43. “Analysis of Combined Spectra of NH and N2,” Appl. Opt. 37, 2493 (1998).  
  44. “Optical Measurements of Gas Turbine Engine Soot particle Effluents,” Journal of Engineering for Gas Turbines and Power 120, 69-76 (1998).
  45. "Simplex deconvolutions of particle-size distribution functions from optical measurements"  Feng Sun and J. W. L. Lewis, Applied Optics, Vol. 34, No. 36, 8437-8446, December 20, 1995.
  46. "Temperature measurements from first-negative N+2 spectra produced by laser-induced multiphoton ionization and optical breakdown of nitrogen"   Christian Parigger, D. H. Plemmons, J. O. Hornkohl, and J. W. L. Lewis, Applied Optics, Vol. 34, No. 18, 3331-3335, June 20, 1995.
  47. "Spatially and temporally resolved electron number density measurements in a decaying laser-induced plasma using hydrogen-alpha line profiles" Christian Parigger, D. H. Plemmons, and J. W. L. Lewis, Applied Optics, Vol. 34, No. 18, 3325-3330, June 20, 1995.
  48. “Electron Number Density and Temperature Measurement in a Laser-Induced Hydrogen Plasma,” J.Quant. Spectr. & Radiat. Trans. 53, 229 (1995).
  49. “Temperature Measurements from CN Spectra in a Laser-Induced Plasma,” J. Quant. Spectr. & Radiat. Transfer, Vol. 46, No. 5, 405-411 (1991).  
  50. “Survey of the Mie Problem Source Function,”      C.C. Dobson and J. W. L. Lewis,         J. Opt. Soc. Am. A, Vol. 6, No. 3, 463-466, March 1989.
  51. "Recovery of excitation intensity dependence in pulsed, focused beams: nonsaturated case"     Wilhelmus M. Ruyten and J. W. L. Lewis, J. Opt. Soc. Am. B., Vol. 5, No. 11, 2368-2373, November 1988.
  52. "Detailed temporal behavior of laser-excited sodium tracer in nitrogen and application to nitrogen number density measurements at low densities"  D. H. Campbell and  J. W. L. Lewis, Applied Optics, Vol. 20, No. 23, 4102-4109, December 1981.

Patent

“Laser Initiated Non-Linear Fuel Droplet Ignition,” January 1993.

 

 

 

 

 

 

 

 

 

 
 
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