Highly moddable, multi emitter flashlight, for different UV wavelengths

[Djiaux]

No idea, I wish you all the best in this endeavour.

Only thing I can add is this light similat to what you describe:

In this thread:

Need Feedback on Upcoming Triple wavelength UV Flashlight

Hey all, Looking to get feedback on a UV flashlight that I’ve been working on for the mineral market. Curious to get the perspective of flashlight enthusiasts as it’s a first of category. I’m mainly looking for thoughts on the UI but any other thoughts are appreciated! [Fullwave UV LED Flashlight Prototype Showcase]

And you can see it in motion in this video:

The Fullwave UV Light (Showcase + Review)

Regards