7 March 2016 Observation of thermally induced movement of a beam deflected by a liquid crystal spatial light modulator
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Proceedings Volume 9769, Emerging Liquid Crystal Technologies XI; 976915 (2016) https://doi.org/10.1117/12.2213109
Event: SPIE OPTO, 2016, San Francisco, California, United States
Abstract
Liquid Crystal Spatial Light Modulators (LCSLM) are of great importance in various scientific applications such as adaptive optics, optical microscopy, optical trapping etc., due to their capability to dynamically reconfigure the amplitude, phase and polarization profiles of the incoming beam. Here LCSLMs are basically used to display computer generated holograms which give rise to diffraction orders. Recently we have observed that the fluctuations in both the diffracted and undiffracted beam, which may cause great disturbances in the applications, have a close relationship with the power on-off instants of the LCSLM. Thus there exists some link between the heat dissipation from the LCSLM panel and the beam fluctuations. In this paper we provide a detailed investigation on the cause and nature of the beam fluctuations in the LCSLM.
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Santanu Konwar, Santanu Konwar, Bosanta R. Boruah, Bosanta R. Boruah, "Observation of thermally induced movement of a beam deflected by a liquid crystal spatial light modulator", Proc. SPIE 9769, Emerging Liquid Crystal Technologies XI, 976915 (7 March 2016); doi: 10.1117/12.2213109; https://doi.org/10.1117/12.2213109
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