Snapshot LWIR hyperspectral polarimetric imager for ocean surface sensing

Frank J. Iannarilli Jr.; Joseph A. Shaw; Stephen H. Jones; Herman E. Scott

doi:10.1117/12.406635

15 November 2000 Snapshot LWIR hyperspectral polarimetric imager for ocean surface sensing

Frank J. Iannarilli Jr., Joseph A. Shaw, Stephen H. Jones, Herman E. Scott

Proceedings Volume 4133, Polarization Analysis, Measurement, and Remote Sensing III; (2000) https://doi.org/10.1117/12.406635
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

We are applying a novel LWIR (long-wavelength infrared: 8-12 micrometers) hyperspectral polarimetric imager to geophysical ocean surface sensing. The sensor is an embodiment of an invention by Aerodyne Research known as P-SIM (for Polarimetric Spectral Intensity Modulation). The design enables instantaneous ”snapshot” spectropolarimetric imaging with perfect channel registration and full elliptical polarimetry. The optical polarimetry enables retrieval of the phenomenologically rich capillary wave structure morphology (roughness). The spectrally resolved polarimetry additionally allows disambiguation of downwelling from emitted components. Such data supports improved retrievals of sea surface temperature, emissivity, and surface wind vector. We discuss the sensor design, and the analytic means for the geophysical retrievals.

Citation Download Citation

Frank J. Iannarilli Jr., Joseph A. Shaw, Stephen H. Jones, and Herman E. Scott "Snapshot LWIR hyperspectral polarimetric imager for ocean surface sensing", Proc. SPIE 4133, Polarization Analysis, Measurement, and Remote Sensing III, (15 November 2000); https://doi.org/10.1117/12.406635

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