Dynamic holographic interferometric-DHI sensor on adaptive supergrating

George Eugene Dovgalenko; Irina I. Loutchkina

doi:10.1117/12.276310

17 July 1996 Dynamic holographic interferometric-DHI sensor on adaptive supergrating

George Eugene Dovgalenko, Irina I. Loutchkina

Proceedings Volume 2860, Laser Interferometry VIII: Techniques and Analysis; (1996) https://doi.org/10.1117/12.276310
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

A novel DHI technique of precise targeting of moving object in space has been made. The major advantage of this technique is automatic self-adjustment of volume adaptive supersmall (0. 12 mm) holographic grating in a new syntezed double doped photorefractive crystal of BTO. This results in the creation of 70 % diffraction efficiency adaptive holographic grating using 0.632 mm laser radiation. The targeting angle deviation of 10 radians in real time testing has been verified using low power CW He-. Ne laser at a distance of0.5 meter.

Citation Download Citation

George Eugene Dovgalenko and Irina I. Loutchkina "Dynamic holographic interferometric-DHI sensor on adaptive supergrating", Proc. SPIE 2860, Laser Interferometry VIII: Techniques and Analysis, (17 July 1996); https://doi.org/10.1117/12.276310

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