Using KD*P Modulators For Polarization Measurements Of The Sun

E. A. West

doi:10.1117/12.962914

25 January 1990 Using KD*P Modulators For Polarization Measurements Of The Sun

E. A. West

Proceedings Volume 1166, Polarization Considerations for Optical Systems II; (1990) https://doi.org/10.1117/12.962914
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Longitudinal KD* Ps are used in ground-based solar magnetographs to eliminate seeing effects by rapidly changing their retardation characteristics. Although one of the main applications for longitudinal KD*Ps has been their use as a variable retarder for "imaging" applications, an understanding of their limitations is important when developing scientific instruments that make very accurate polarization measurements. This paper will discuss some of the problems associated with the use of these devices in the Marshall Space Flight Center (MSFC) vector magnetograph. These problems include temperature, field of view errors, and electrical characteristics.

Citation Download Citation

E. A. West "Using KD*P Modulators For Polarization Measurements Of The Sun", Proc. SPIE 1166, Polarization Considerations for Optical Systems II, (25 January 1990); https://doi.org/10.1117/12.962914

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