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The external lens? It's good. I cleaned it too, using a professional fibre optic cleaning kit. Pump diode degraded?

Hey all, It's been 10 months since last I "played" with any laser. Just been so busy with other activities. I powered up my 1.6W DHOM and was rather disappointed that it peaks @ 900mW. Even after an hour warm up. I powered it on/off several times, but it always settled @ around 900mW. I...

My advise is to keep it at or slightly below the recommeded current. These aren't like to 445s or 638s that are rubust and can handle overspec'd current THESE POP QUICKLY WHEN YOU USE TOO MUCH CURRENT...even 100-200mA extra I speak from experience....

We stopped in haifa on the MSC Magnifica crusie ship on Dec, 12 and left the 17H00 13th. I was sitting on the balcony outside my cabin watching Haifa becoming smaller and smaller, the city bathed in orange light. It was about 18H15 and I noticed a very distinguished green light. Then I saw the...

Just curious.. >1W 460nm Blue Laser RARE! Analog US Seller BRIGHTER than 445nm!! | eBay

If these are rated higher than the 5.6mm we use, we can probably push them to 3W!

Sorry, got ahead of myself. Gee, everything said 405nm until you scroll right down to characteristics. I got too excited Thanks for clearing that up

I know 1 watt has been broken by LPF members but my understanding is that they were 500mw rated diodes. Are these true 1W ? 405nm 1w laser diode - Detailed info for 405nm 1w laser diode,laser diode,405nm 1w laser diode,BOB-AL445T1000 on Alibaba.com

Would love to see pics of your 5w red in action!

That sums things up rather nicely. Thanks Dave!

Only perhaps because I tend to shine mult watt lasers into sky. I like to stay on the right side of the law and adhere to all the safety requirements. Actualy SA has a very relaxed laser law. I just feel if I do things right hopefully they won't go all "Australia" on me (and other SA laserists)...

If guys REALLY have to need to point their laser into the sky all they should do is contact their local authorities and get a certificate. The authorities would then send a message to NOTAM (notice to airmen) allowing you to shine your laser into the sky(obviously not at the planes!!). Details...

THUMBS UP TO ALL! Great work guys. It's so exciting you reach these power levels for a red!

How many girls get excited about lasers like us guys? Are there any dedicated girl laserists here? Just wondering cause no matter how hard I try the most I can get my fiance to do is hold an aixiz module while I solder the leads...

WTF? Now I've seen it all...nice vids:)

Even focused 100mw won't do too much, expect maybe cut some nice designs in insulation tape. However, 405nm focuses really good with an incredibly small spot. Focused 500mw 405nm would do some nice cutting on thin black plastics. But I believe the actual cutting would still be pretty slow. If...

I wonder if we are in for a surprise? Remember when 445's were selling upwards of $250 on eeebay. Someone made huge profit. Then all of the sudden we discovered the projector and havested them for <$50. I really, really hope something similar happens and these 0.5w reds become available for <$20

How I would love to have a 20W red/orange....

I built a TEA nitrogen laser around 2001. I used an HT from a small TV. I tried and tried and tried and tried and eventually got it to lase. I then terminated the project. They are so noisy to operate it was actually anoying me. For quick results, use a closed cavity with some low pressure N2...

Class IV starts >499mW. These rules(and more) apply. Not @ 1000mW