Compact system for measuring rotational speed in two dimensions

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3824, Issue , 1999, Pages 115-123

  Hanson, Steen G ^a   Hansen, Rene S ^a   Hansen, Bengt H ^a  

^a TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

Author keywords

miniaturized optical sensors; PC mouse; rotation; speckle

Indexed keywords

OPTICAL DATA PROCESSING; OPTICAL TESTING; PHOTODETECTORS; SPECKLE; APPLICATION SPECIFIC INTEGRATED CIRCUITS; COMPUTER CONTROL SYSTEMS; LIGHT REFLECTION; LIGHT SCATTERING; MICE (COMPUTER PERIPHERALS); OPTICAL SENSORS; OPTICAL VARIABLES MEASUREMENT; PRINTED CIRCUIT BOARDS; SEMICONDUCTOR LASERS;

COMPACT SYSTEM; CURSOR CONTROL; LIGHT SCATTERED; ROTATING BALLS; ROTATIONAL SPEED; TWO DIRECTIONS; TWO-DIMENSION; VERTICAL SURFACE;

ROTATION; OPTICAL SYSTEMS;

COMPACT SYSTEM; CURSOR CONTROL; REFLECTIVE BALL; VERTICAL SURFACE CAVITY EMITTING LASER;

EID: 0033345043     PISSN: 0277786X     EISSN: 1996756X     Source Type: Conference Proceeding    
DOI: 10.1117/12.364245     Document Type: Conference Paper

References (8)

1. T. Watanabe, K. Iwata and R. Nagata, "Optical-Heterodyne Method for Measuring Rotational Velocity, " Optics Communication 23, pp. 164-167 (1982).
2. NA. Halliwell, C. D. J. Pickering and P. G. Eastwood, "The Laser Torsional Vibrometer. A New Instrument, " J. Sound and Vib 93 (4), pp. 582-592, (1984).
3. S. G. Hanson, Laser-based Method for Analyzing Rotational Speed and Vorticity, " Proceedings from "International Laser Anemometry Symposium, " ASME Winter Annual Meeting, Nov. 1985, pp. 91-95.
4. S. G. Hanson and B. H. Hansen, "Laser-based Measurement Scheme for Measurement of Specularly Reflective Shafts, " SPIE 2292 Fiber Optic and Laser Sensors XII (1994), pp. 143-153.
5. B. Rose, H. Imam, S. G. Hanson, H. T. Yura and R. S. Hansen, "Laser-speckle angular-displacement sensor: theoretical and experimental study, " Appl. Opt. 37, 2119-2129 (1998).
6. HT. Yura and SG. Hanson, "Optical beam propagation through complex optical systems", J. Opt. Soc. Am. A 4, 193 1-1948 (1987).
7. J. C. Dainty, "The statistics of speckle patterns" in Progress in Optics, Vol. XIV, E. Wolf, editor (North-Holland Publishing Co., Amsterdam, 1976), Chap.l.
8. S. O. Rice, Mathematical Analysis of Random Noise, in Selected papers on noise and stochastic processes, Dover Publications, Inc. New York, 1954, pg. 139.