Compact freeform-surface-based Offner imaging spectrometer with both a long-slit and broadband

S Sun, Y Gao, Y Ji, S Zhao, J Han, C Wang - Optics Express, 2024 - opg.optica.org
Current imaging spectrometers with conventional optical elements face major challenges in
achieving a large field of view (FOV), broadband and compact structure simultaneously. In …

[PDF][PDF] 基于自由曲面的紧凑型宽波段成像光谱仪设计

韩继周, 赵世家, 冯安伟, 张幸运, 季轶群 - Acta Optica Sinica, 2023 - researching.cn
摘要针对基于传统光学元件的成像光谱仪, 在实现大视场与宽波段的同时难以满足结构紧凑的
问题, 在Offner 成像光谱仪的第三反射镜引入圆锥曲面叠加条纹泽尼克多项式表征的自由曲面 …

The challenges of broadband performances within a compact imaging spectrometer: the ELOIS solution

B Borguet, V Moreau, S Santandrea… - … on Space Optics …, 2021 - spiedigitallibrary.org
ELOIS VISWIR is a science-grade, smallsat compatible, pushbroom hyperspectral payload
covering the entire VISWIR spectral range (400-2450 nm) with over 200 contiguous 10 nm …

[PDF][PDF] 凸面光栅同心结构成像光谱仪的研究进展

沈宇航, 倪争技, 黄元申, 徐邦联, 郭贝… - Laser & Optoelectronics …, 2021 - researching.cn
摘要介绍了基于同心结构的凸面光栅成像光谱仪的研究背景, 设计方案和结构特点,
综述了凸面光栅同心结构成像光谱仪在国内外目前主要的五种结构类型, 包括Offner 型 …

Design of geostationary orbit ultrawide FOV long-wave infrared imaging spectrometer

X Chen, R Zhang, Q Yu - Optics Express, 2024 - opg.optica.org
The geostationary orbit imaging spectrometer offers distinct advantages for diverse
applications in remote sensing. To enhance swath and data richness, there is a growing …

Design and modeling of spectrographs with holographic gratings on freeform surfaces

ER Muslimov, M Ferrari, E Hugot, JC Bouret… - Optical …, 2018 - spiedigitallibrary.org
We demonstrate the approach of using a holographic grating on a freeform surface for
advanced spectrographs design. We discuss the surface and groove pattern description …

Design of a compact wide-band triple grating imaging spectrometer based on freeform surfaces

J Chen, L Wang, L Huo, C Kuang, L Mao, M Tan… - Applied Optics, 2024 - opg.optica.org
Wide-band, high spectral resolution, and miniaturized imaging spectrometers have
important applications. However, the working band, spectral resolution, and volume of the …

Spectrographs with holographic gratings on freeform surfaces: design approach and application for the LUVOIR mission

ER Muslimov, M Ferrari, E Hugot… - Optical Design and …, 2018 - spiedigitallibrary.org
In the present paper we demonstrate the approach to use a holographic grating on a
freeform surface for advanced spectrographs design. On the example POLLUX …

[PDF][PDF] Optimum design of freeform-enabled space optical instruments

A Menduina - repository.tudelft.nl
Nowadays space missions rely heavily on optical payloads to carry out a wide range of tasks
including earth observation, weather monitoring, astrophysics research and …

Моделирование астрономического спектрографа с голограммной дифракционной решеткой на поверхности свободной формы

Э Муслимов, Э Уго, С Ломбардо, М Феррари… - HOLOEXPO 2018, 2018 - elibrary.ru
В настоящей статье рассматриваются методика моделирования голограммных
дифракционных решеток решеток на поверхностях свободной формы и их …