Compact snapshot optically replicating and remapping imaging spectrometer (ORRIS) using a focal plane continuous variable filter

Tingkui Mu, Feng Han, Donghao Bao, Chunmin Zhang, Rongguang Liang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this Letter, a novel snapshot spectral imaging technique, optically replicating and remapping imaging spectrometer, is presented. It is based on the combination of shifting subimages by a specially designed lenslet array (LA) and filtering subimages by a focal plane continuous variable filter (CVF). The 3D datacube is recovered by just using a simple image remapping process. The use of the LA and the focal plane CVF makes the system compact and low in cost. A handheld proof-of-principle prototype has been built and demonstrated; it covers a wavelength range of 380–860 nm with 80 spectral channels with a spatial resolution of 400 × 400 pixels.

Original languageEnglish (US)
Pages (from-to)1281-1284
Number of pages4
JournalOptics letters
Volume44
Issue number5
DOIs
StatePublished - Mar 1 2019

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imaging spectrometers
filters
imaging techniques
spatial resolution
pixels
prototypes
costs
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Compact snapshot optically replicating and remapping imaging spectrometer (ORRIS) using a focal plane continuous variable filter. / Mu, Tingkui; Han, Feng; Bao, Donghao; Zhang, Chunmin; Liang, Rongguang.

In: Optics letters, Vol. 44, No. 5, 01.03.2019, p. 1281-1284.

Research output: Contribution to journalArticle

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