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That really is a nice, clean ArKr! I'm only getting about 6 lines out of my 300wc, no meter on it so no idea of its hrs, green only shows briefly when power is turned up but fades fast. ☹ The Red/blues curse. GL with yours! Look forward to updates.

That was my guess as well, just seemed odd to me being in only that one little spot.

So, i was tinkering with my 365nm flashlight and something caught my eye..... Right at the cathode bell, what looks like uranium glass 🤔 Anyone know anything about this?

Keep in mind... plug and play machines are fine but having the knowledge on how they function is of a great service to you... these devices are not toys and can kill you if you're not aware. Please use caution when working on them.

that really is a beautiful build man!!!!!!

Good to know! tnx!

1st off... WELCOME! :D Great to have you with us! (wait a minute... you've been here forever! oooo, you fooled me. :P ) 2nd, i'm not 100% convinced that That is necessary. i'm not sure when it it comes to Ar lasers but i've never let my ArKr "preheat" for more then maybe a minute and never...

the Ar/Kr often have reservoirs well, and need to be run, even if air cooled.

"Use for it...." ? it's a cool ass laser! if you don't want it, i know a few collectors that'd be happy to have a lil gem like that in their collection! ;)

you can see the reservoir just below the tube (in black heatshrink) on my ar/kr

There really is something about that pinkish glow, isn't there? i Love looking at my 127b (i keep the cover off), long, thin, glowing bore and the gorgeous red beam! eventually i plan to get some yellow & orange optics for it as well. too bad green isn't an option for 1m HENEs. :(

yep, seems to be the KTP. took it apart and when i applied a chipchiller to the KTP mount the beam realigned. Wasn't an expensive laser so not going to stress about it. Maybe someday i'll find a use for the IR diode. Tnx guys. :)

no... close to 01 but not centered/divided like that... more like main beam weakens and a 2nd, weaker beam shoots off at a degree or 2 off the main axis.

I'm not very versed in the diode lasers but know enough to get thru my day however.... i have an eBay "200mW" pointer, DPSS Green and when i 1st got it, it seemed fairly stable however after a couple of months use (on and off, bursts not more than 45-60s) it started to behave oddly... after...

Awesome! i was thinking of trying that with my 127b but will have to wait till i can get a stable base to work on, everything here shakes too much for optics! lol what exactly is the diff between your 127 & 124 that allowed yellow?

My LP WC300 fan scares my wife and cats. lol takes a good 2-4 sec to spool up and almost sounds like it wants to suck itself inside out! good thing it has a full metal cowl. i have been considering a boxed in, quieter remote fan but not worrying about that until i can find a suitable, more...

a piezo igniter may work but will probably be very dim and very short so you'll need to do this in the dark but yes, connect one end of the igniter to the anode and the other to the cathode and click away. personally, i think i'd use the tesla coil or a flyback out of a plasma globe. much...

Until you acquire an Ar/Kr that is.... :drool:

Congrats man! WTG! :D Enjoy that beautiful beam!!!

damn man, been firing up the boring heaters at night here! almost time to ignite the main furnace. personally, i hate firing up my Ar/Kr without an audience. :/