Comparative assessment of astigmatism-corrected Czerny-Turner imaging spectrometer using off-the-shelf optics
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.11.004
Abstract: Abstract We present the optical design of a Czerny-Turner imaging spectrometer for which astigmatism is corrected using off-the-shelf optics resulting in spectral resolution of 0.1 nm. The classic Czerny-Turner imaging spectrometer, consisting of a plane grating,… read more here.
Keywords: optics; czerny turner; turner imaging; imaging spectrometer ... See more keywords
Wavelength calibration of an imaging spectrometer based on Savart interferometer
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2017.04.026
Abstract: Abstract The basic principle of Fourier-transform imaging spectrometer (FTIS) based on Savart interferometer is outlined. The un-identical distribution of the optical path difference which leads to the wavelength drift of each row of the interferogram… read more here.
Keywords: based savart; savart interferometer; wavelength calibration; imaging spectrometer ... See more keywords
The design and implementation of portable rotational scanning imaging spectrometer
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.125016
Abstract: Abstract Imaging spectrometer has a promising application prospect in the field of ecological environment monitoring. Nowadays, the scanning mode of imaging spectrometer is mainly push-broom and snap-shoot. However, few studies focus on using rotational scanning… read more here.
Keywords: image; rotational scanning; system; spectrometer ... See more keywords
A compact wide-spectrum imaging spectrometer using freeform surface
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.125097
Abstract: Abstract This paper presents a compact imaging spectrometer covering visible–near-infrared (VNIR) and shortwave-infrared (SWIR) spectrum with a large field-of-view (FOV). The design is composed of a curved prism for dispersing beam and two freeform mirrors… read more here.
Keywords: freeform surface; spectrum; imaging spectrometer;
Use of an Imaging Spectrometer for Characterization of a Cesium Dosimeter Calibration Facility.
Sign Up to like & getrecommendations! Published in 2020 at "Health Physics"
DOI: 10.1097/hp.0000000000001150
Abstract: Past investigations into the characterization of a space-constrained Cs dosimetry calibration facility did not provide detailed positional measurements of gamma ray spectra. In this paper, a commercially available Compton imaging system, or imaging spectrometer, was… read more here.
Keywords: calibration facility; characterization; use imaging; imaging spectrometer ... See more keywords
Snow and Water Imaging Spectrometer: mission and instrument concepts for earth-orbiting CubeSats
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Remote Sensing"
DOI: 10.1117/1.jrs.12.044001
Abstract: Abstract. The Snow and Water Imaging Spectrometer (SWIS) is a science-grade imaging spectrometer designed for CubeSat integration, spanning a 350- to 1700-nm spectral range with 5.7-nm sampling, a 10-degree field-of-view, and 0.3-mrad spatial resolution. The… read more here.
Keywords: water; mission instrument; water imaging; snow water ... See more keywords
Non-Destructive Evaluation of Salmon and Tuna Freshness in a Room-Temperature Incubation Environment Using a Portable Visible/Near-Infrared Imaging Spectrometer
Sign Up to like & getrecommendations! Published in 2021 at "Transactions of the ASABE"
DOI: 10.13031/trans.13858
Abstract: HighlightsWhile freshness is a critical value of food quality, its assessment requires complex methods, which are costly and time-consuming.In this work, it is demonstrated that spectral responses obtained from a portable VIS/NIR imaging spectrometer can… read more here.
Keywords: imaging spectrometer; salmon tuna; freshness;
High spectral resolution compact Offner spectrometer based on the aberration-reduced convex holographic gratings recorded by spherical waves under Rowland circle mounting.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.458391
Abstract: High spectral resolution, excellent imaging quality, and compact configuration have become a recent trend in push-broom imaging spectrometers. The concentric Offner imaging spectrometer has become popular due to its high optical performance and compactness. However,… read more here.
Keywords: aberration; imaging spectrometer; offner imaging; resolution ... See more keywords
Analysis and design of a wide-field and large-numerical-aperture compact imaging spectrometer with a freeform surface.
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DOI: 10.1364/ao.472164
Abstract: Wide-field-of-view (FoV) Offner imaging spectrometers with freeform surfaces have been studied extensively in recent years. However, a design result with a large numerical aperture (NA) cannot be simultaneously obtained with this layout. We present the… read more here.
Keywords: spectrometer; spectrometer freeform; imaging spectrometer; freeform surface ... See more keywords
Design of a compact wide-spectrum double-channel prism imaging spectrometer with freeform surface.
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DOI: 10.1364/ao.57.009512
Abstract: A double-channel prism imaging spectrometer that includes visible-near-infrared (VNIR) and shortwave-infrared (SWIR) spectra is presented. Double slits divide a wide spectral band into two independent channels for VNIR and SWIR, guaranteeing their independent spectral resolution.… read more here.
Keywords: double channel; freeform surface; channel prism; prism imaging ... See more keywords
Upgrade of a UV-VIS-NIR imaging spectrometer for the coastal ocean observation: concept, design, fabrication, and test of prototype.
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DOI: 10.1364/oe.25.015526
Abstract: A novel UV-VIS-NIR imaging spectrometer prototype has been presented for the remote sensing of the coastal ocean by air. The concept is proposed for the needs of the observation. An advanced design has been demonstrated… read more here.
Keywords: vis nir; observation; ocean observation; nir imaging ... See more keywords