Research activities arising from the University of Kent

Abstract

In this paper the author describes research and development activities in the field of optical sensing undertaken since his time within the Applied Optics Group at the University of Kent. The main topics covered are laser vibrometry and optical range-finding techniques. The author also gives a summary of his research at University of Kent, covering 1982–1985.

Keywords

Fiber / optic / sensor / vibrometer / interferometer / range-finder

References

[1] Jackson D. A., Priest R., Dandridge A., Tveten A. B.. Elimination of drift in a single mode optical fiber interferometer using a piezo-electrically stretched coiled fiber. Applied Optics, 1980, 19(17): 2926-2929.

[2] D. A. Jackson, A. C. Lewin, A. D. Kersey, M. Corke, and J. D. C. Jones, “Open air path/fiber interferometer for remote vibration analysis” presented at European Conference on Sensors and their Applications, UMIST, Manchester, September, 1983.

[3] Jackson D. A., Kersey A. D., Corke M., Jones J. D. C.. Pseudo-heterodyne detection scheme for optical interferometers. Electronics Letters, 1982, 18(25): 1081-1083.

[4] Lewin A. C., Kersey A. D., Jackson D. A.. Non-contact surface vibration analysis using a monomode fiber interferometer incorporating an open air path. Journal of Physics E, 1985, 18(7): 604-608.

[5] Lewin A. C., Kersey A. D., Jackson D. A.. Two wide-dynamic-range signal-recovery schemes for the fiber-optic gyroscope. IEE Proceedings (opto-electronics), 1985, 132(5): 271-276.

[6] H. Selbach and A. C. Lewin, “Differentielles fiberoptisches laser Doppler vibrometer zur Schwingungsanalyse” presented at Laser 87 — Optoelectronics in Engineering, Munich, Germany, October, 1987.

[7] Lewin A. C., Wichdorff K. V.. Fiber links for optical instrumentation. Laser und Optoelektronik, 1988, 20(4): 54.

[8] A. C. Lewin, F. Mohr, and H. Selbach, “Heterodyne Interferometer for Vibration analysis” Technisches Messen -tm, no. 9, pp. 335–345, 1990.

[9] Lewin A. C.. Compact laser vibrometer for industrial and medical applications. SPIE (3rd International Conference on Vibration Measurement by Laser Techniques: advances and applications), 1998, 3411, 61-67.

[10] Lewin A. C., Siegmund G.. The implications of system ‘sensitivity’ and ‘resolution’ on an ultrasonic detecting LDV. SPIE (1st International Conference on Vibration Measurement by Laser Techniques: Advances and Applications), 1994, 2358, 292-304.

[11] Robert D., Lewin A. C.. Scanning laser vibrometry applied to the biomechanical study of a small auditory system. SPIE (3rd International Conference on Vibration Measurement by Laser Techniques: Advances and Applications), 1998, 3411, 564-571.

[12] Lewin A. C., Ritter F.. Laser diode based pseudo-heterodyne interferometer for on-line process control of a wire bonder. SPIE, 2000, 4072, 8-18.

[13] Lewin A. C., Roth V., Siegmund G.. New concept for interferometric measurement of rotational vibrations. SPIE (1st International Conference on Vibration Measurement by Laser Techniques: Advances and Applications), 1994, 2358, 24-36.

[14] S. C. Woods, A. C. Lewin, et al., “Measuring wavefront properties” Patent WO 03074984, September 12, 003.

[15] A. C. Lewin and D. A. Orchard, “Structured light projector” Patent WO 2004044523, May 5, 2004.

[16] A. C. Lewin, D. A. Orchard, and S. C. Woods, “Ranging apparatus” Patent US 2006044546, March 2, 2006.

[17] Lewin A. C., Orchard D. A., . A 3D camera for improved facial recognition. SPIE (Proceeding on Optics and Photonics for Counterterrorism and Crimefighting), 2004, 5616, 77-84.

[18] G. McDonald, D. Orchard, and A. Lewin, “A novel, rugged and robust longitudinal range finding method for formation flying missions” presented at 3rd Symposium on Formation Flying, Missions and Technologies, April 23, 2008.