The development of optical device for a SWIR range

Tatiana N. Khatsevich; Nikolay N. Mordvin

doi:10.1117/12.2574594

12 November 2020 The development of optical device for a SWIR range

Tatiana N. Khatsevich, Nikolay N. Mordvin

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115600U (2020) https://doi.org/10.1117/12.2574594
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The evaluation of performance of the optical electronic devices on object recognition range with the transition from visible range to short-wave (SWIR) range is given. It is caused by the increase of contrast between objects and background. The prototype of optical electronic device that performs image formation in short-wave range (0.9-1.7 μm) of electromagnetic waves is developed and produced. Matrix photodetector based on the InGaAs elements is used as the radiation receiver; the special lenses with angular field 9° on diagonal is developed. The results of the devices‟ test with laboratory and field conditions have confirmed the diffraction image quality, which is formed by the lenses in a specified spectral range, as well as has shown the increase of the object recognition range in a daytime condition by 25% in comparison with expected object recognition range for the visible spectral range.

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Tatiana N. Khatsevich and Nikolay N. Mordvin "The development of optical device for a SWIR range", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115600U (12 November 2020); https://doi.org/10.1117/12.2574594

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KEYWORDS

Short wave infrared radiation

Object recognition

Visible radiation

Lenses

Optical components

Receivers

Optoelectronic devices

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