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Ivan Pogorelov2013-12-27 21:52:48
LEDs
Ivan Pogorelov, 2013-12-27 21:52:48

Is it possible to somehow measure the ultraviolet that passes the glass?

Is it possible to somehow measure the ultraviolet that passes the glass?
The idea is this: on the one hand, a UV LED, on the other, a meter (camera, without filter, photoresistor).
Is it possible to force a webcam to see only in the UV range? Are there devices that can be measured?
UV spectrometer in an optics store, it's too boring.

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EuG2, 2014-04-24
@EuG2

You can ... measure the absorption coefficient, if you take a conventional camera, and a powerful LED matrix or COB, in short, the phosphor, then irradiate the UV and measure the luminosity from one side of the glass and from the other, in fact, you need a photographic exposure of the glow of the phosphor. I can’t tell you how to connect it with real units of measurement (calibrate), but their ratio will be the absorption coefficient.

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