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  • Low-cost NIR measurement device [Elektronski vir]
    Mustafa, Luka ; Černčič, Eva
    Due to lack of low-cost near infra-red measurement devices for spatial beam profiling in free-space optical systems, a custom solution is developed, utilizing commercially available PIN+TIA detector ... and limiting amplifier, that are primarily used in SFP optical modules. We have developed a NIR pixel module, comprising of a standalone detector coupled with an RGB LED that provides visible feedback for detecting wavelengths in the 1100-1650 nm range. A set of 9 such pixels integrated into a portable battery powered measurement device capable of detecting the spatial distribution of a collimated optical beam of up to 4 cm in diameter and streaming per pixel measurements via WiFi to a personal computer has been developed. We also show how a single NIR pixel coupled with a low-cost open-source 3D printer can be used to determine optical beam spatial power distribution profile and is capable of creating 2D and 3D distribution scans with better than 0.2 mm resolution.
    Vir: Proceedings of a meeting [Elektronski vir] (Str. 127-131)
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2015
    Jezik - angleški
    COBISS.SI-ID - 95886849
    DOI

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