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Diffuse laser is also good for viewing old holograms. HM

Those UV cure adhesives work well for me. I got my first "sample" from my dentist and now I use some found on the bay. They set up quickly and don't seem to mess up the optics. The seem to hold well but the joint will break clean if needed. HM

Minerals like Sodalite and Tugtopite emit orange when excited. Look to contact our member "Daguin" about this. He is a rock hound for these things. He sent me some samples several years ago. HM

RC --- Good info there. A bit pricy for an old fart like me. I get SMA RF connectors and punch the guts out -- then I machine the optical mounts! The RF connectors (about $4 each) make for simple fittings. I'm simply trying to get the right FL combinations to make it happen. I'm good with...

About two years ago, I toasted the SMA output on a FAP800 module. I cut the "snout" back about .20" and carefully polished it with crocus cloth and then optical polish. It looked like new but the burn extended back too far to save it. Chris sold me a new module and I found a Coherent 6" fiber...

Is that bunghole speaking real American English or is he on drugs? Social media is CRAP. HM

Just a dumb question here. Who all has access to the personal info which you input for this analysis? HM

What airline has ant problems !!!! LOL So long as not in the pants .... HM

Society and civil lifestyle is mostly gone in the world. Politicians will make laws. HM

Alaskan -- Chris, The bestus flash tube I have found for an SSY is a replacement for a Nikon SB900. The price is right but the specs are as follows: OD 3.61 mm Length 47.6 mm Arc Len 32 mm This is a bit small but should light up most of the rod. The Dia is also small...

STA -- You understand my point. HM

Hey -- I got mine 2 years ago and burned the slit out. They sent me a new slit and I "glued" it in. Mine is calibrated with a 405 and a 638. 532 shows right on. Close enough for hobby use -- I'm happy. For most of us, this is a hobby and the price is right. HM

POLE PIG !!! Our local power company didn't know what I was talking about when the BIG fuse blew up. Love it --- HM

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...

Burning stuff is simply a simple indicator of focal point in this system. I'm not looking to "POP" a balloon at 30'. My input lens holder has been re-machined to position the fiber closer to the diverging lens. This diverging lens is now a meniscus lens with a -32 mm FL and has a good...

Encap -- No real explanation or offer to discount or correct. POOP on them. I told him that I would check my bank tomorrow. It better be cleared off. I really want a 365 nM of something to "see" it but this is a scam. HM

Beware: I ordered one of those UVLED365 diodes from Qphotonics last night. The invoice stated $39.00 and NO shipping (0.00). Today, I noticed that my account was charged $56 so I called them. They tacked $17 shipping to the order without adding it to the invoice. I canceled the order because...

Re: New Gadget - 355nm Q-Switched YAG BIG wires and buss bars indicate BIG fun. Good luck turning it on and watch out for the UV. HM

The few pyros here enjoy your projects. Thanks and +R HM

I work at the local Fleet Farm store. Last night a guy asked me for about 40 magnets so he could build a screen to block the new G5 transmitters because they will cook us all. I as an employee couldn't take him the aluminum foil sale shelf to make a hat. He also asked about copper screen...