Detailed characterization of a mosaic based hyperspectral snapshot imager

Robin Hahn; Freya-Elin Hammerling; Tobias HaistDavid FleischleOliver SchwankeOtto HaulerKarsten RebnerMarc BrechtWolfgang Osten

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Detailed characterization of a mosaic based hyperspectral snapshot imager

机译：Detailed characterization of a mosaic based hyperspectral snapshot imager

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Some widely used optical measurement systems require a scan in wavelength or in one spatial dimension to measure the topography in all three dimensions. Novel hyperspectral sensors based on an extended Bayer pattern have a high potential to solve this issue as they can measure three dimensions in a single shot. This paper presents a detailed examination of a hyperspectral sensor including a description of the measurement setup. The evaluated sensor (Ximea MQ022HG-IM-SM5X5-NIR) offers 25 channels based on Fabry-Perot filters. The setup illuminates the sensor with discrete wavelengths under a specified angle of incidence. This allows characterization of the spatial and angular response of every channel of each macropixel of the tested sensor on the illumination. The results of the characterization form the basis for a spectral reconstruction of the signal, which is essential to obtain an accurate spectral image. It turned out that irregularities of the signal response for the individual filters are present across the whole sensor.

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来源
《Optical Engineering》 |2020年第12期|125102-1-125102-14|共14页
作者
Robin Hahn; Freya-Elin Hammerling; Tobias HaistDavid FleischleOliver SchwankeOtto HaulerKarsten RebnerMarc BrechtWolfgang Osten;
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作者单位

University of Stuttgart, Institut fur Technische Optik, Stuttgart, Germany;

Twip Optical Solutions GmbH, Kornwestheim, Germany;

Reutlingen University, PA&T, Reutlingen, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
hyperspectral imaging; hyperspectral sensor; snapshot sensor; single-shot; measurement;

Detailed characterization of a mosaic based hyperspectral snapshot imager

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