Correction and correlation formation of probing field in the fiber laser Doppler anemometers and vibrometers
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Abstract
In this work we offer the method of field formation with given spatial features at the output of multimode fiber sensors using interference phenomena. The method consists of a field two-stage correlation transformation at a fiber output. Transformation is realized by a phase modulator and a hologram. The developed method is practically realized in the fiber Doppler anemometer and vibrometer scheme. Features of sensors are discussed in this work.
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fiber sensors, correction of laser beams, correlation optics, laser doppler vibrometry and anemometry, волоконні датчики, корекція лазерних пучків, кореляційна оптика, лазерний допплерівський віброметр і анемометр, волоконные датчики, коррекция лазерных пучков, корреляционная оптика, лазерной доплеровской виброметр и анемометр, кафедра фізики та професійної безпеки
Citation
Yarovoi, L. Correction and correlation formation of probing field in the fiber laser Doppler anemometers and vibrometers / L. Yarovoi, A. Gnatovskii, N. Medved // Optics and Lasers in Engineering. - 2000. - P. 593-604.