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    Help? Diode keeps frying but only in the host.

    Purchased the Oclaro HL6388MG 250mW 637nm module from DTR's shop with included driver. I thought the first one was DOA after hooking it up in my host and getting nothing. Hooked it up to my bench supply @ 3.8V (single cell input) and got nothing also. Diode was replaced free of charge, this...
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    Sanwu Lasers - Offical thread

    Because of the way human eyes perceive light, the green will appear very close to the same brightness as the blue, but keep in mind that that blue is 20x more powerful than the green, and at 1.6 watts you're approaching the levels of power where even the reflection off a white wall can cause...
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    A formal introduction

    Beware, it's a rabbit hole that can get costly. ;)
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    Laser Pointer Recomendation

    An alternative to saran wrap would be a piece of Lee density filter. The Zircon series is made for high power LEDs, I have used it with flashlights to balance CCT's. It would probably work fairly well for a laser. Any neutral density filter would work, in fact.
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    A formal introduction

    Budget Light Forum, similar to CPF but they focus more on DIY, community sourcing designs, and keeping the lights on the affordable side. If you have any interest in modern high power LED flashlights, it's certainly worth checking out. :)
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    Sale thread/ Hosts/Heat Sinks/Focus adapters/lasers

    I am confused, do you mean those two are gone, or this one which appears to be aluminum and brass? Sorry for my dumbness. :) If the above host is available, I will take it!
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    Sale thread/ Hosts/Heat Sinks/Focus adapters/lasers

    Hi Lifetime, Just to be sure, which of the Ehugemus hosts are still available?
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    A formal introduction

    Ah, I'm from BLF, not CPF. CPF is a bit too high brow for me. ;) BLF has no problems with it!
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    A formal introduction

    Yeah, I'd accept that.
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    A formal introduction

    I think he was referring to the collection in my signature.
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    A formal introduction

    Thanks! I actually just added 2 more... :geek: I've been after a yellow laser ever since I found out about colors other than red green and blue. Sad I missed that 570 from a few years back also, that looks really cool. I also really want to make a ~420nm pointer as well so I can say I have...
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    A formal introduction

    Well I guess I'm supposed to post here, so hello everybody! I've been lurking for many years, signed up last year, and only really been active recently. I've been into lasers since I was a kid, always had a Radio Shack pointer of some kind since I was about 9-10. I used to be stupid with them...
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    Sanwu Lasers - Offical thread

    From my reading the 488 and 492 are both Sharp "485nm" diodes that have been binned and calibrated. Not sure about the 520, but I've got one on order. :geek:
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    Sanwu Lasers - Offical thread

    Just wanted to post an update for anyone following along. Francis from Sanwu replied to me right after CNY and we have resolved the issue now. Seems like the package was seized by customs or lost, but they are replacing it for me, so all is well!
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    Sanwu Lasers - Offical thread

    Thanks, I'll try to contact them after the 22nd. Didn't know about the text option either.
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    Sanwu Lasers - Offical thread

    The way they had me return it was to send it to a warehouse in the US first, then they shipped it back to China. I only have tracking info for that first shipment, which they already acknowledged back in August. I waited until December before asking again, that was the first time I got no...
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    Sanwu Lasers - Offical thread

    Hello all, can someone help me? I have a problem with a laser that I sent back for repair in June 2020. The last update I got from email was in August when they said my laser was still being shipped back to China and they'd let me know when it was fixed. I have asked for an update twice since...




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