Design of Compact Mid-Infrared Cooled Echelle Spectrometer Based on Toroidal Uniform-Line-Spaced (TULS) Grating [PDF]
Sensors, 2022 A traditional flat-panel spectrometer does not allow high-resolution observation and miniaturization simultaneously. In this study, a compact, high-resolution cross-dispersion spectrometer was designed based on the theoretical basis of echelle grating ...
Ling-Tong Meng, Shen Hh, Qingyu Wang
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Construction, Spectral Modeling, Parameter Inversion-Based Calibration, and Application of an Echelle Spectrometer [PDF]
Sensors, 2023 We have developed a compact, asymmetric three-channel echelle spectrometer with remarkable high-spectral resolution capabilities. In order to achieve the desired spectral resolution, we initially establish a theoretical spectral model based on the two ...
Xuewu Fan
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Optical Design for Aberration Correction of Ultra-Wide Spectral Range Echelle Spectrometer
Photonics, 2022 The echelle grating spectrometer, with a wide spectral range and high-resolution spectral analysis, is one of the best tools for fine spectral measurement. Nevertheless, it suffers from excessive residual aberrations and a large overall size.
Xuewu Fan
exaly +3 more sources
Development of a Spatial Heterodyne Terahertz Raman Spectrometer with Echelle Gratings
Applied Sciences (Switzerland), 2023 This paper introduces an echelle grating spatial heterodyne terahertz Raman spectrometer (E-SHTRS) that combines echelle gratings with spatial heterodyne terahertz Raman spectroscopy technology by replacing the gratings on the interference arms with 36 ...
Xiaotian Li, Qiliang Ni, Nan Song
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Bidirectional Coupler Study for Chip-Based Spectral-Domain Optical Coherence Tomography [PDF]
Micromachines, 2022 A chip-based spectral-domain optical coherence tomography (SD-OCT) system consists of a broadband source, interferometer, and spectrometer. The optical power divider flatness in the interferometer’s wavelength is crucial to higher signal-to-noise ratios.
Hong-Yan Zheng +4 more
doaj +2 more sources
A High-Resolution MIR Echelle Grating Spectrometer with a Three-Mirror Anastigmatic System
Applied Sciences (Switzerland), 2022 With the emergence of high-performance infrared detectors and the latest progress in grating manufacturing technology, high-resolution and high-sensitivity infrared spectrometers provide new methods for application to many fields, including astronomy and
Shen Hh, Qingyu Wang, Pengzhang Dai
exaly +3 more sources
Compact, astigmatism corrected cross-grating spectrometer [PDF]
EPJ Web of Conferences, 2020 Compact cross-grating spectrometers are inspired by classical high-end Echelle spectrometers and allow to acquire a large spectrum with a high spectral resolution in a single shot.
Kraus Matthias +8 more
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Echelle Grating Spectroscopic Technology for High-Resolution and Broadband Spectral Measurement
Applied Sciences, 2022 Echelle grating provides high spectral resolving power and diffraction efficiency in a broadband wavelength range by the Littrow mode. The spectrometer with the cross-dispersed echelle scheme has seen remarkable growth in recent decades.
Yinxin Zhang +4 more
doaj +1 more source
Earth and Space Science, 2023 The Mars Atmosphere and Volatile Evolution (MAVEN) mission instrument suite includes an ultraviolet echelle spectrograph with high‐spectral resolution designed to resolve D and H Lyman‐α emissions.
M. Mayyasi +8 more
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Atoms, 2020 We developed an echelle spectrometer for the simultaneous observation of the whole visible range with a high instrumental resolution, for example, 0.055 nm (full width at the half maximum) at 400 nm and 0.10 nm at 750 nm.
Hirotaka Tanaka +5 more
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