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Laser diode feedback interferometer for measurement of displacements without ambiguity

โœ Scribed by Donati, S.; Giuliani, G.; Merlo, S.


Book ID
117867892
Publisher
IEEE
Year
1995
Tongue
English
Weight
860 KB
Volume
31
Category
Article
ISSN
0018-9197

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Laser diode interferometer used for meas
โœ Xuefeng Wang; Xiangzhao Wang; Hongbin Lu; Feng Qian; Yang Bu ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 130 KB

In this paper, the displacement of an object is measured with a photothermal phase-modulating laser diode interferometer. A feedback control system is designed to reduce the measurement errors caused by the uctuations in the optical wavelength of the laser diode and the vibrations of the optical com