Richard S. Hughes, PhD

  Curriculum Vitae
  Publications
  Patents

Curriculum Vitae

Education

La Sierra University, La Sierra, CA 1958-62 BS Physics 1962
University of California, Riverside, CA 1964-70 MS Physics 1966
PhD Physics 1970

Employment

1988 - present Trainer and consultant on: 1) radiation safety (laser, rf and ionizing), and 2) laser and electro-optics technology. Served as an expert witness on laser injury cases for both defense and plaintiff. Member of 1) the ANSI Accredited Standards Committee Z136 on the Safe Use of Lasers, and 2) six ANSI Z136 Standards and Technical Subcommittees including Safe Use of Lasers in Health Care Facilities.
1980 - 1988 Professor of Physics at Pacific Union College. Taught quantum mechanics, biophysics, and laser theory and technology. Part-time trainer and consultant on radiation safety (laser, rf and ionizing). Served as radiation physicist for thirteen hospitals in California. Started High-Rez Diagnostics.
1979 - 1980 Liaison Scientist for the Office of Naval Research, London Branch Office. Primary responsibility was the assessment of research conducted throughout Europe in the fields of lasers, electro-optics and solid state physics.
1975 - 1979 Head, Quantum Optics and Semiconductors Branch, U.S. Naval Air Warfare Center, China Lake, CA. Projects which I initiated and/or participated in during this period include: DARPA sponsored UV laser damage threshold program, aerosol scattering of laser radiation at 249nm, integrated optics, surface acoustic wave-scanned infrared imaging, laser gyros, and holography.
1974 - 1975 Assistant Technology Administrator, Naval Air Systems Command (Code 360), Washington, D.C., with the responsibilities of both monitoring and initiating exploratory development contracts in lasers and electro-optics.
1969 - 1974 Physicist (Supervisory Physicist 1971-1974), U.S. Naval Air Warfare Center, China Lake, CA. Performed organic dye laser research and development including tuning techniques, exciplex studies, and new laser excitation techniques.
1964 - 1969 Graduate student, University of California, Riverside, CA. BuWeps Fellow 1964-6 and Naval Weapons Center Fellow 1966-7. Experience gained in cryogenics, infrared reflectometry, crystal growing and low-temperature microwave resonance techniques while conducting experimental research leading to the PhD degree.
1962 - 1964 Physicist, U.S. Naval Air Warfare Center, China Lake, CA. Conducted experiments in the areas of mechanical Q-switching of solid-state lasers, laser amplifiers, and the optical properties of ocean water.

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Publications, Memberships and Software

"Deep-Sea Light Attenuation Measurements with a Null-Balance Transmissometer", USNOTS TP 3748 (1965).

"Search for an Energy Gap in Chromium Using Infrared Reflectance and Transmission", Phys. Lett. 25A, 473 (1967).

"Ferromagnetic Resonance with the Magnetic Field in a (111) Plane of a Cubic System", J. Appl. Phys. 41, 1120 (1970).

"Magnetocrystalline Anisotropy in Europium Oxide (EuO)", USNWC TP 5028 (1970).

"Search for Wide-Range Tunable Dye Laser System", Nature Physical Science 231, 59 (1971).

"A Search for Some Wide-Range Tunable Dye Laser Systems Working on the 'Exciplex' Principle", USNWC TP 5192 (1971).

"Electromechanical Techniques for Rapid Frequency Tuning of Lasers", J. Phys. E.: Scientific Instruments 5, 1216 (1972).

"Frequency 'Agile' Laser Techniques", USNWC TP 5336 (1972).

"Rapid Transverse Acousto-Optic Tuning of an Organic Dye Laser", Appl. Optics 11, 2981 (1972).

"The Angular Dispersion of an Acousto-Optic Bragg Cell Used in the Wavelength Tuning of an Organic Dye Laser", Appl. Optics 12, 421 (1973).

"Pulsed Laser for Search and Rescue (PULSAR)", Proceedings of the 6th DoD Conference on Laser Technology (1974).

"Temperature Dependence of the First- and Second-Order Cubic Magnetic Anisotropy Constants in EuO", Phys. Rev. B 9, 2394 (1974).

"Electronic Tuning of a Dye Laser with Simultaneous Multiple-Wavelength Output", IEEE J. Quant. Elect. QE-10, 462 (1974).

"Rapid Acousto-Optic Tuning of a Dye Laser", Appl. Optics 13, 1395 (1974); also USNWC TP 5701 (1974).

"Dividends of Dye Laser Research", Naval Research Reviews 27, 17 (1974).

"Integrated Optics: State-of-the-Art and Future Prospects", USNWC B&P Report, May 1976.

"Ultraviolet Components for High Energy Applications", USNWC TP 6015 (1978).

"Pulsed Laser Damage on Multilayer Reflectors at 353nm", Classified Proceedings of the Laser Damage Conference, Denver, CO (1978).

"Measurements of the Atmospheric Scattering from a Pulsed Krypton-Fluoride Laser Operating at .249 Microns", Aeronautical Research Associates of Princeton Report No. 389, January 1979.

"Photothermal Deflection Microscopy of Thin Films", Presented at the Fourteenth Symposium on Optical Materials for High Power Lasers, Boulder, CO, November 1982.

"Photothermal Deflection Microscopy of HR and AR Coatings", Presented at the Fifteenth Symposium on Optical Materials for High Power Lasers, Boulder, CO, November 1983.

"Photothermal Deflection Microscopy", Appl. Phys. Lett. 43, 985 (1983).

"Optical Bistability", Encyclopedia of Materials Science and Engineering, Michael B. Bever, Editor-in-Chief, pp. 3295-7, Pergamon Press, 1986.

Co-developer of LaserPro and MedLase Tracker, laser safety software for laser safety officers in the non-medical and medical environments, respectively.

"LIA* Guide to Medical Laser Safety," 1997 (contributing author)

"LIA Guide to Non-Beam Hazards Associated with Laser Use," 1999 (contributing editor)

"Fire in the Hole: An Endotracheal Tube Fire," Proceedings of the International Laser Safety Conference (ILSC), 2003. (This paper was presented at this conference and published in its proceedings.)

"Another Airway Fire: When Will Such Accidents Cease?," Proceedings of the International Laser Safety Conference, 221 (2007)

"Eye Safety Considerations of a Laser-Based Rail Flaw Detection System," Proceedings of the International Laser Safety Conference, 288 (2007)

Member of the ANSI Accredited Standards Committee Z136 on the Safe Use of Lasers.

Member of the ANSI Z136 Editorial Working Group.

Member of the following ANSI Z136 Standards Subcommittees (SSC): SSC-3, Safe Use of Lasers in Health Care Facilities; and SSC-6, Safe Use of Lasers Outdoors.

Member of the following ANSI Z136 Technical Subcommittees (TCS): TSC-4, Control Measures and Training; and TSC-5, Non-Beam Hazards.

*LIA is the Laser Institute of America.

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Patents

"Laser Amplifier", Patent No. 3,307,113; Feb. 1967.

"Rapidly, Continuously and Synchronously Tuned Laser and Laser Detector", Patent No. 3,802,775; Apr. 1974.

"Fluorescent Marker", Patent No. 3,839,683; Oct. 1974.

"Automatic Night SAR System", Patent No. 3,839,639; Oct. 1974.

"Synchronously Tuned Laser Transmitter and Receiver", Patent No. 3,849,742; Nov. 1974.

"Rapidly Tunable Laser", Patent No. 3,872,407; Mar. 1975.

"Electro-Optic Diffraction Grating Tuned Laser", Patent No. 3,902,137; Aug. 1975.

"Ultra-fast Spatially Scanning Laser System", Patent No. 3,904,981; Sept. 1975.

"Surface Acoustic Wave Tuned Laser", Patent No. 3,931,592; Jan. 1976.

"Stimulated Brillouin Scattering Tuned Laser", Patent No. 3,940,731; Feb. 1976.

"Electro-Optic Tuning of Organic Dye Laser", Patent No. 3,959,739; May 1976.

"A Laser with a High Frequency Rate of Modulation", Patent No. 3,973,216; Aug. 1976.

"Franz-Keldysh Effect Tuned Laser", Patent No. 3,991,383; Nov. 1976.

"Passive Acousto-Optic Filter Tuned Dye Laser", Patent No. 3,996,525; Dec. 1976.

"Electronically Controlled Digital Laser", Patent No. 4,017,807; Apr. 1977.

"Acousto-Optical Deflector Tuned Organic Dye Laser", Patent No. 4,028,636; June 1977.

"Optical Integrated Circuit Laser Beam Scanner", Patent No. 4,047,795; Sept. 1977.

"Magneto-Optically Tuned Laser", Patent No. 4,122,412; Oct. 1978.

"Electrogenerated Chemiluminescence Laser", Patent No. 4,123,728; Oct. 1978.

"An Ultra-fast, Scanning Spectrophotometer", Patent No. 4,124,297; Nov. 1978.

"Frequency Agile Optical Radar", Patent No. 4,184,767; Jan. 1980.

"Deformable Liquid Mirror", Patent No. 4,190,327; Feb. 1980.

"Multiple Pulse Laser", Patent No. 4,250,466; Feb. 1981.

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