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#1 2019-01-17 20:42:25

Quas7
Member
Registered: 2018-02-22
Posts: 4

Spectroscope to bin near-UV LEDs from AliExpress

I bought a few 1,3 and 5 Watts 400-410nm LEDs from AliExpress shops and I wanted to confirm and/or select the correct 405nm wavelengths out of these for a 70-100 Watts panel.

For this purpose I designed a small FDM-printable spectroscope.
Details and models can be found here: https://www.thingiverse.com/thing:3351995

Maybe this is something of use for others here as well.

Cheers!

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#2 2019-03-05 16:39:24

evilc66
Member
Registered: 2019-02-24
Posts: 13

Re: Spectroscope to bin near-UV LEDs from AliExpress

Neat! Did you make any modifications to the webcam for IR or UV performance?

I may have to play with this, as I have an Ocean Optics USB4000 that I can use to compare against.

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#3 2019-03-06 06:48:31

Quas7
Member
Registered: 2018-02-22
Posts: 4

Re: Spectroscope to bin near-UV LEDs from AliExpress

Yes, I removed the IR filter glass from the objective but near-UV works without any modification as well.

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