Optical properties of KD*P modulators

Edward A. West; Sandeep S. Bhatia

doi:10.1117/12.22070

1 October 1990 Optical properties of KD^*P modulators

Edward A. West, Sandeep S. Bhatia

Proceedings Volume 1317, Polarimetry: Radar, Infrared, Visible, Ultraviolet, and X-Ray; (1990) https://doi.org/10.1117/12.22070
Event: Polarimetry '90, 1990, Huntsville, AL, United States

Abstract

Longitudinal KD*P modulators are used in ground-based solar magnetographs to eliminate seeing effects. Although the modulators can be used as variable retarders, the optical properties when zero voltage is applied influences the performance on instruments requiring very accurate polarization measurements. Measurements at the Marshall Space Flight Center are discussed in terms of the optical properties of KD*P modulators when zero voltage is applied. The measurements can be used to predict the modulation characteristics of the devices and to determine the polarization accuracy that can be expected from the vector magnetograph.

Citation Download Citation

Edward A. West and Sandeep S. Bhatia "Optical properties of KD^*P modulators", Proc. SPIE 1317, Polarimetry: Radar, Infrared, Visible, Ultraviolet, and X-Ray, (1 October 1990); https://doi.org/10.1117/12.22070

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