Medical Laser Porn.... New Toy!

[300EVIL]

Picked up an HGM K3 Spectrum today for a couple bucks. It's a multi-line argon and is gas intact. Sadly there was no foot pedal or controller so I have some work to do to get it running. It's a pretty neat little self contained water cooled laser with a big pump and radiator for short bursts. I have no clue if it will work CW or what the output power would be if modded for CW but it's still cool.





















This is actually the power supply! Well, minus the rectifiers two big filter caps and the cathode transformer. It's single phase, tiny and built for 27 Amps! So it says...
Doubt it would do that for any major length of time.







If anyone has a remote for one of these that I could barrow to test with, that would be awesome!
Thanks!
Adam

[300EVIL]

They use 8 of these FET's in the passbank. Not a bad little supply!!

http://pdf1.alldatasheet.com/datashe...IXTH24N50.html

[daedal]

Isn't it cold over there? What are you doing picking up junk in this weather? You should just toss that thing at the post office and have them send it my way :P

</sarcasm>

Congrats man... I'd love to see that running!

--DDL

[300EVIL]

Isn't it cold over there? What are you doing picking up junk in this weather? You should just toss that thing at the post office and have them send it my way :P

</sarcasm>

Congrats man... I'd love to see that running!

--DDL

Freezing actually! It was 11 degrees F this AM and now I have to go on a business trip to Indiana tomorrow morning.

Ha! This thing cost me more to pick it up than the sale price.

[DZ]

It's a multi-line argon and is gas intact.

Nice find, 300evil! For some reason, I always thought the HGM K1 was a krypton laser, not an argon. Are you sure this thing is argon?

[300EVIL]

Nice find, 300evil! For some reason, I always thought the HGM K1 was a krypton laser, not an argon. Are you sure this thing is argon?

Yeah, this is a K3. Though, I am a little confused about HGM's model designations. None of it makes sense and they were bought out by Lumenis so it's hard to find much info on the different models. This is definitely an argon. The warning sticker says 450nm-530nm.

P.S. OOPS! Yeah, Just noticed I said "K1" in my original post.

[mixedgas]

Like ALL power on demand lasers, she'll run for 20-30 seconds max, and about 15 seconds in you'll see the power fall off as the gas heats up . That tube tends to run longer then the others, simply because its longer, and the model number is the board numbers inside, not what it says on the case, because HGM after the 5,8 and 20 got squirrely with the model numbers. Lumenis is even worse.. You have a K3 family... Be glad it wasnt a K4 or K6, those are lousy Ir Yags...

The brains for that one are partially in the the concours remote... However, five 15 second 3 watt bursts during a show are not to be sneared at...

And they made that tube in both gases, and there is a version in a same or similar case with TWO tubes, one red, one YG. See there is room on the rail for head 2. Guys, be careful when buying HGM, they made varients like crazy as fast as they could bang them through CDRH approval. There are even krypton model 5s...


Oh, and before you buy This:
http://cgi.ebay.com/HGM-Wild-A-Micro...item255628120a

make sure the connectors match.... It doesn't look like it from that pic.

Steve

[300EVIL]

The brains for that one are partially in the the concours remote... However, five 15 second 3 watt bursts during a show are not to be sneared at...

I agree! Especially for the price of the laser. With a few mods, It should be a fun to play with.

Thanks for your input, Steve!

[RonZ]

Adam,
I've been quietly lurking on this site for several months now. Have been taken in by lasers since I was a kid (that would be about 4 decades ago) but never really able to pursue interest either professionally or as a hobby until fairly recently. Even so, I have much to learn and little to contribute hence the lurking. Anyway, your thread drew me out because, like you, I also got a bargain on a medical laser. I have a Surgica K7. It contains three tubes. One is simply a 5 mW randomly polarized HeNe aiming laser. The other two are either both Argon or one Argon and one Krypton (no red in the presumptive Krypton so not really sure). One is rated at 7 watts max output, the other is rated at 2 watts max output. I don't know what they are actually putting out since I can't measure but the 7 watt tube is outputting at least a couple of watts (probably more). Like yours, it's a completely self contained unit that runs on single phase 220 V. All three lasers work. The Surgica focuses the output into a fiber optic delivery device. I ended up removing the output coupler of mine (and defeating the safety interlock that comes with it) in order to get an uninterupped and unexpanded beam. When I get a chance I will try to take and post some photos. I have passed the beam through a diffraction grating and I get 7 colors. It's actually very pretty, and very dangerous. As Steve mentions, it's pseudo CW. You can run it CW for a short while (I wouldn't go over 20-30 seconds) before risking overheating (though it does have protective circuites that will shut it down if overheating). The front pannel controls allow you to set power, pulse duration and number of pulses when not shooting CW. It really is a lot of fun. Hope you get yours working.

Best, Ron

[mixedgas]

[QUOTE=RonZ;135786]Adam,
I've been quietly lurking on this site for several months now. Have been taken in by lasers since I was a kid (that would be about 4 decades ago) but never really able to pursue interest either professionally or as a hobby until fairly recently. Even so, I have much to learn and little to contribute hence the lurking. Anyway, your thread drew me out because, like you, I also got a bargain on a medical laser. I have a Surgica K7. It contains three tubes. One is simply a 5 mW randomly polarized HeNe aiming laser. The other two are either both Argon or one Argon and one Krypton (no red in the presumptive Krypton so not really sure). One is rated at 7 watts max output, the other is rated at 2 watts max output. I don't know what they are actually putting out since I can't measure but the 7 watt tube is outputting at least a couple of watts (probably more). Like yours, it's a completely self contained unit that runs on single phase 220 V. All three lasers work. The Surgica focuses the output into a fiber optic delivery device. I ended up removing the output coupler of mine (and defeating the safety interlock that comes with it) in order to get an uninterupped and unexpanded beam. When I get a chance I will try to take and post some photos. I have passed the beam through a diffraction grating and I get 7 colors. It's actually very pretty, and very dangerous. As Steve mentions, it's pseudo CW. You can run it CW for a short while (I wouldn't go over 20-30 seconds) before risking overheating (though it does have protective circuites that will shut it down if overheating). The front pannel controls allow you to set power, pulse duration and number of pulses when not shooting CW. It really is a lot of fun. Hope you get yours working.


OK, you have the argon, doing the 7 colors, and the krypton doing a yellow-green correct?
Usually 2 yellow and 2 green lines from the KR. Kr yellow green = 520-530-568-575 nm.

Is the 7 watt number the danger sticker power, or is that what the system is delivering? On the sticker, the power is usually 2-3 times what the system is rated to deliver.

Steve