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Interesting. Are you able to measure its wavelength?

Nice job on the build.

Welcome back :beer:

Welcome to the forum. Please stay safe and enjoy yourself. :)

Nice, but $50 is pretty pricey. Any updates on the rgb or lpm? :) Hopefully they'll be out by next Easter.

In a true emergency, the dangers of using a laser for signaling aircraft are reasonable. The visibility of a laser of better than a flashlight, try a green laser, a 532nm would be good for the low divergence. Who cares about prison time and a fine when the alternative is death? In all over...

Thanks for the review. Could you provide a link to where you purchased it?

As already said, though making lasers blink would be very easy with basic electronics skills, leds are better and more durable. Good luck on your project :beer:

Welcome to the forum :beer:

The working temperature is posted as 15 to 35 Degree C so maybe try to measure it. I wouldn’t run it for longer than a couple of minutes. Keep in mind that the ir diode is a higher power than the visible output.

Good choice passing up that wicked laser. They’re known as a low quality brand. If you ever want something better try jetlasers, sanwu, Laserglow, or optotronics. Some of these companies also have codes and keys for safety around your child.

Re: FS: CNI GLP 485nm Could you post a picture of the dot and the splash?

If you contact jetlasers they’ll send you a tail cap for the shipping cost(at least they offered to do so for me). I don’t see why the different tailcap would affect power, even if it adds some resistance the driver should still regulate the current to the same amperage.

You definitely want better batteries, its worth investing in them if you're already spending $$$ on a nice handheld. I'm sure sanwu will repair it or send you a replacement.

Very nice pictures as usual. The sphere/diffraction grating mix is nice.

You got ripped off, you could’ve gotten one for $10 + the starcaps for $5 on eBay. It won’t be 500mW, let alone 500MW. Try jetlasers or sanwu lasers for accurate power ratings. They have many options from 30mW-7W.

Nice photos, love the 589+488 sphere shot.

Re: Sale!!! Poor mods have a lot of work to do

Fun concept, but I think the cube has been shown to perform worse than shown. When the distance is constantly changing, you’ll have to adjust the focus for maximum power density, and the cube doesn’t do this. Even on a flat object, I don’t think this will work very well. It would be better just...

As Steve said, you’ll need a laser power meter. Use the search bar at the bottom of the page, you’ll get a few hobby options. Why are you using a red laser? Green would be more visible. Such a low power red may be difficult to see in lit settings.