High-precision measurement of optical frequency differences between Q-switched laser pulses using photo-electromotive-force sensors
JOSA B, Vol. 19, Issue 2, pp. 177-182 (2002)
http://dx.doi.org/10.1364/JOSAB.19.000177
Acrobat PDF (196 KB)
Abstract
We demonstrate the measurement of optical frequency differences between Q-switched laser pulses by using photo-electromotive-force (photo-EMF) optical frequency sensors. The presence of high-peak-power laser pulses affords the photo-EMF frequency sensor with ultrafast response times limited only by the free-carrier lifetime of the sensor material. Such fast response times lead to a broad dynamic range for optical difference frequency measurements with an experimentally demonstrated frequency detection bandwidth in excess of 50 MHz, limited only by the capability of our test equipment. Such a large dynamic range for optical frequency detection makes photo-EMF sensors ideal candidates for adaptive remote sensing of high-speed objects.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(040.0040) Detectors : Detectors
(090.0090) Holography : Holography
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(190.0190) Nonlinear optics : Nonlinear optics
(230.0230) Optical devices : Optical devices
(280.0280) Remote sensing and sensors : Remote sensing and sensors
Citation
Chen-Chia Wang, Sudhir Trivedi, Feng Jin, Ken Jia, Hongbo He, Greg Elliott, and Jacob Khurgin, "High-precision measurement of optical frequency differences between Q-switched laser pulses using photo-electromotive-force sensors," J. Opt. Soc. Am. B 19, 177-182 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-2-177
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