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FrozenGate by Avery

PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please sub

How bad do you want it?

Unicorn for sale, or pretty close.

A Melles 05-LOR-006 in perfect condition. $650.00

That is a 6" orange 612nm hene laser. (but it is multimode)
Quote from Sam:
  • Orange 612 nm 6" Melles Griot 05-LOR-006 >0.4 mW Random Polarized Multimode: New/NOS Melles Griot ORANGE 612 nm tube, tested. There are probably only a hand-full of working samples of this model remaining in existence. Rated power on these is unknown but is almost certainly under 0.15 mW.
www.ebay.com

HeNe Laser Tubes - Many Types - Teaching, Research, Modes, Stabilized, Zeeman | eBay

(Not all the available tubes listed here are shown in the main photo.). Or ask if you don't see it. Thus the higher price. Suitability for stabilized and/or Zeeman applications is noted for each. These tubes should be fine for use in a two frequency Zeeman laser with a split frequency up to 2.5...
www.ebay.com
 





I'm wondering what it is pumped with too, assume 40-50 percent pump efficiency to 1064, then what efficiency for SHG for CW? Prob. about what you are guessing, maybe if they are using a intra-cavity KTP might be higher efficiency requiring a smaller pump.
 
IINM dpss 532 is only 20-25% efficient overall depending on how efficient the crystal is so yea, likley a 40w 808nm pump, could be a bar type 808nm I never have torn down a 532 that big.

Yes 808 to 1064 then doubled to 532 , it's a 2 part crystal ktp and yvo4 but you know that.
 
I want to tear one down and look inside, too bad I can't. Anyone ever see the insides of these?
 
Pfft... I want visible eye candy light, don't have an interest in that kind of thing but it would certainly be fun.
 
I like both however I am a frugal shopper and will wait for an even better deal.
 
We are going to need lot's of pics and I expect you will employ a large beam expander upon it's Gaussian beam.
 
It's low price is due to lower specs than a high quality laser, unfortunately, but I will show you what it produces.
 
Near TEM00, 3-4mm @ 10w sounds good.

What are your plans for it ?
 
Last edited:
RedCowboy said:
Near TEM00, 3-4mm @ 10w sounds good.

What are your plans for it ?
Click to expand...
I can't even imagine what 10W of green would look like. I guess DPSS is the only way to achieve that much power. Just think of a portable unit.
 
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