Open AccessMultichannel tunable imager architecture for hyperspectral imaging in relevant spectral domains
Author(s) -
Chhavi Goenka,
J. L. Semeter,
J. Noto,
Jeffrey Baumgardner,
J. Riccobono,
Mike Migliozzi,
Hanna Dahlgren,
R. A. Marshall,
Sudha Kapali,
Michael Hirsch,
Donald Hampton,
H. Akbari
Publication year - 2016
Publication title -
applied optics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.668
H-Index - 197
eISSN - 2155-3165
pISSN - 1559-128X
DOI - 10.1364/ao.55.003149
Subject(s) - hyperspectral imaging , remote sensing , optics , full spectral imaging , spectral imaging , chemical imaging , imaging spectroscopy , computer science , multispectral image , physics , geology
In this paper, we present a technique for dimensionality reduction in hyperspectral imaging during the data collection process. A four-channel hyperspectral imager using liquid crystal Fabry-Perot etalons has been built and used to verify this method for four applications: auroral imaging, plant study, landscape classification, and anomaly detection. This imager is capable of making measurements simultaneously in four wavelength ranges while being tunable within those ranges, and thus can be used to measure narrow contiguous bands in four spectral domains. In this paper, we describe the design, concept of operation, and deployment of this instrument. The results from preliminary testing of this instrument are discussed and are promising and demonstrate this instrument as a good candidate for hyperspectral imaging.