High-Resolution Spectropolarimetry: A New Atmospheric Remote Sensor

Alain L. Fymat

doi:10.1117/12.955538

19 October 1977 High-Resolution Spectropolarimetry: A New Atmospheric Remote Sensor

Alain L. Fymat

Proceedings Volume 0112, Optical Polarimetry: Instrumentation and Applications; (1977) https://doi.org/10.1117/12.955538
Event: 21st Annual Technical Symposium, 1977, San Diego, United States

Abstract

Polarimetry within a spectral line or band is proposed as a new atmospheric remote sensor, particularly for clouds and hazes. The limitations of conventional absorption/emission spectroscopy and photopolarimetry are discussed. The selective formation and behavior of intensity and polarization lines is analyzed under a variety of atmospheric and scattering conditions. The technique, limitations and advantages of Fourier Transform Spectroscopy are reviewed as a prelude to the proposed approach. Experimental results obtained at the telescope for the planet Venus are presented as evidence for the existence, behavior and effects of line polarization. Fourier Transform Spectropolarimetry provides means for separating the effects of scattering from those of absorption, probing the internal properties of clouds and hazes, and studying the detailed wavelength dependence of polarization with variable spectral resolutions from low to high.

Citation Download Citation

Alain L. Fymat "High-Resolution Spectropolarimetry: A New Atmospheric Remote Sensor", Proc. SPIE 0112, Optical Polarimetry: Instrumentation and Applications, (19 October 1977); https://doi.org/10.1117/12.955538

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