2024
DOI: 10.1364/ao.525325
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Multi-lens component used for a LWIR field-integral gas spectral imager

Huanyao Xu,
Liang Xu,
Wanjiang Zhu
et al.

Abstract: This paper reports a miniature multi-lens component used for a LWIR field-integral gas spectral imager. The component is designed for crosstalk minimization and consists of a 4∗3 array of micro-lenses and a detector. To reduce the cost, the detector is uncooled and the optical parameters of the 12 micro-imaging lenses are identical. These include 3.38 mm focal length and 35° field-of-view. The F/# is designed to be 1.2 to increase the luminous flux of the imager. After image quality evaluation and tolerance an… Show more

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