Abstract of Papers Presented at Annual Meeting of the Gemmological Society of Japan
2023 Annual Meeting
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Abstracts of Lectures at 2023 Annual Meeting of the Gemmological Society of Japan
Shortwave UV fluorescence observation under deep-UV LED light source.
*Chihiro Fukuda
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Keywords: deep-UV LED
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Abstract

We perform to use deep-UV LED for UV fluorescence observation unit. It can use shortwave UV light source instead of UVC mercury lamp. There are several difference of fluorescence color.

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© 2023 The Gemmological Society of Japan
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