Spectrally resolved longitudinal spatial coherence inteferometry

Ethan R. Woodard; Michael W. Kudenov

doi:10.1117/12.2264324

5 May 2017 Spectrally resolved longitudinal spatial coherence inteferometry

Ethan R. Woodard, Michael W. Kudenov

Proceedings Volume 10198, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIII; 1019806 (2017) https://doi.org/10.1117/12.2264324
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

We present an alternative imaging technique using spectrally resolved longitudinal spatial coherence interferometry to encode a scene’s angular information onto the source’s power spectrum. Fourier transformation of the spectrally resolved channeled spectrum output yields a measurement of the incident scene’s angular spectrum. Theory for the spectrally resolved interferometric technique is detailed, demonstrating analogies to conventional Fourier transform spectroscopy. An experimental proof of concept system and results are presented using an angularly-dependent Fabry-Perot interferometer-based optical design for successful reconstruction of one-dimensional sinusoidal angular spectra. Discussion for a potential future application of the technique, in which polarization information is encoded onto the source’s power spectrum is also given.

Conference Presentation

Citation Download Citation

Ethan R. Woodard and Michael W. Kudenov "Spectrally resolved longitudinal spatial coherence inteferometry", Proc. SPIE 10198, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIII, 1019806 (5 May 2017); https://doi.org/10.1117/12.2264324

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