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I have a 40 watt - 808 nM laser module. The output is a SMA connector. the beam is highly divergent. Has anyone found a good way to get that beam under control ? I copied an article from LPF long ago about using a biconcave lens. I'm getting minimal results. Mike

Shine a small laser onto a frozen, frosted window and see what the ice crystals do. Just like a personal sun dog. The Ice crystals form a nice ring around the spot. This works up north here! HM

I don't know how many SSY-1 heads there are out there anymore but parts are rare - -especially flash tubes. I am trying to find a source but I need to know if there is interest in some. I have no price yet so your reply is non committal !!!! HM (mike)

Will a Micro flex V5 driver output 600mA to a BDR 209 diode? Mike

On a recent thread, the UVLED365 was mentioned. It is a .4 mW 365 nM LED offered by Qphotonics. I went to the site and ordered one with an invoice of $39.00 and no shipping. Today, I see that they took me for $56.00 and a call to them reveled that they added $17 shipping not shown on the...

Has anyone ever tried building a laser into a Klingon disrupter toy housing? It seemed like a neat brother to a Star Trek phaser. An SSY-1 NdYag module seems to fit like a glove in this "toy" The opening under the module fits a basic Axis module and the trigger is two stage for target and...

This is my last try ------ I'm getting older and don't need this meter. It is a Scientech 374 (37-4002) with 360203 head. Battery powered for remote use. It is rated for 100 Watts! $600 plus shipping in the USA. This has been a mess trying to list --- Lets just try a Scientech 365 or a...

I'm playing with my "tiny" etcher which I got from ebay a couple years ago. I removed the low power 445 laser and replaced it with a bigger blue. As normal, it doesn't focus to a point. I want to put in a 405 (about .7 watt) but I need a driver which puts out 6-7 volts AND has a TTL or...

Has anyone any info on what lenses these expanders use for fiber modules? The company is: Micro Laser Systems, Inc. The low X modules are small :-) HMike

Will an 808 nM bar excite an NdYag rod? I think I read that it works. HMike

I'm getting started here on a new project. I hope to make this portable (handheld) !!! A big thanks to Chris from way north for his help. These are the main components. The FAP RED module, a SUPER buck driver from TI and a battery pack to kick ass.... The Pot is for power control and the PB...

How do you "pop the top" on an FAP 800 Can? I'm about ready to dump it on a stove burner.:yabbmad: HMike

How do you "pop the top" on an FAP 800 Can? I'm about ready to dump it on a stove burner.:yabbmad: HMike

I have a 12 Watt FAP 800 module. The output is a multi mode, circular, 19 fiber mess which can't be focused with a normal lens. Will a GRIN lens pull the mess together to get good focus?? HMike

Who polishes and recoats NdYag rods? I have one which needs a job on one end. It got a little crap burned onto it. As I recall, it has ~ 2 Deg angle on it. Try to keep it low $. HMike The big rod is ~ 6" x 3/16" -- I have another 5 mm x 90 mm with a small pit at one end but at the very edge.

I just got my 520 module from DTR. Great member.... I built it into a simple housing but had to do machining to make it look like the others! These are my 3 hand held lasers with different colors. I'm not a good beam shooter so this is my best!! Three beam spots of 405, 445 and 520 --...

How much current (MAX) will a 4000 mAh and a 6300 mAh 26650 cell be able to output? HMike

I have used a white background for years and mine suddenly went to the dark background. I can't find how to change it back.... Anybody?? HMike

Can an old, dead, RF excited 12 Watt CO2 laser tube be sent overseas? Seems this is old technology but I'm not ready to find out if there's problems. HMike I posted this under gas lasers and got no replys yet. Thought I'd try here.

Can an old, dead, RF excited 12 Watt CO2 laser tube be sent overseas? Seems this is old technology but I'm not ready to find out if there's problems. HMike