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Laser interferometers in metrology of large lengths

โœ Scribed by M. N. Dubrov; M. T. Prilepin; V. A. Aleshin


Publisher
Springer US
Year
1990
Tongue
English
Weight
171 KB
Volume
33
Category
Article
ISSN
0543-1972

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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