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Rayfoss - 300mw 635nm - $55

Fiddy

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indeed, my 213mW 638nm is awesomely bright, cant imagine what half watt 638nm would be like!

same thing poped up from seller techhood

300mW 635nm US$73

500mW 635nm US$121
 
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Johnyz

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blrock

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I think this time around I'll wait for someone else to buy and review..I got burn't with the 638s a little while back.. :)
 
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A word of warning - they charge 25% 'handling fee' which they conveniently place low down where you are least likely to read it... Better than nothing I suppose.

If these are on spec, this will be a huge step forward for many of us.. for more affordable red for shows and pointers.. I really am waiting with bated breath :san:
 
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Even if these are the real deal, remember, they are barely pointer class laser diodes - more torches if anything. The divergence is much worse than our normal 445 diodes, which I believe are like 7/20. These diodes are 7/35, meaning it'll probably be about as bad as a 9mm 808nm 1W diode.
 

Johnyz

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RHD owns a HL63133, which has about the same divergence as a regular red diode. Still, only around 190mW though...
 
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That's because that diode is like the highest powered, commercial, single-mode 635nm diode. These are not single mode.

EDIT: From the datasheet, "This LD has broad-stripe structure which enables high output power"
 
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Helios

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This is exciting but I cannot help to think back to the last time 300 and 500mW 635nm diodes popped up everywhere. Fingers Crossed
 
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Fingers are crossed... wallet's at the ready... almost, it's been pouring all day, I didn't go to bank as planned:eek:
 




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