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Old 04-01-2017, 07:46 PM #49
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Default Re: Laserbuilder's collection of gas and other lasers

I'm still amazed at your ability to get these gas and solid state lasers so easily and cheaply. That CO2 laser looks huge when compared to the new ones today rated at the same power. Is that a fact, or is it just the way the photo shows it?


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Old 04-02-2017, 08:03 PM #50
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Default Re: Laserbuilder's collection of gas and other lasers

Quote:
Is that a fact, or is it just the way the photo shows it?
Yes it is. It is really long, at least 1.2-1.3 meter. Modern chinese 40W tubes are 70 cm long.
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Old 04-06-2017, 12:42 PM #51
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Default Re: Laserbuilder's collection of gas and other lasers

23)

Casual russian dye circulator. This is an appliance for pumping dye through the cuvettes of lamp pumped dye lasers and it went with all models of russian lamp pumped dye lasers. Inside it has a variable valtage power supply and a small pump with a DC motor, so the pumping speed can be varied. The dye is stored in a fused quartz reservoir. For cooling the dye solution a quartz spiral is welded inside and water can flow through it. When I got this unit the reservoir was heavily contaminated with the remains of R6G dye and some yucky shit. Only a solution of potassium dichromate in nitric acid was able to clean it out, it is quite disgusting too))) On the last two photos is the original dirty state of the reservoir.

I am going to use it with my LOS4M dye laser.
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Old 04-06-2017, 03:13 PM #52
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Default Re: Laserbuilder's collection of gas and other lasers

Quote:
Originally Posted by Laserbuilder View Post
23)

Casual russian dye circulator. This is an appliance for pumping dye through the cuvettes of lamp pumped dye lasers and it went with all models of russian lamp pumped dye lasers. Inside it has a variable valtage power supply and a small pump with a DC motor, so the pumping speed can be varied. The dye is stored in a fused quartz reservoir. For cooling the dye solution a quartz spiral is welded inside and water can flow through it. When I got this unit the reservoir was heavily contaminated with the remains of R6G dye and some yucky shit. Only a solution of potassium dichromate in nitric acid was able to clean it out, it is quite disgusting too))) On the last two photos is the original dirty state of the reservoir.

I am going to use it with my LOS4M dye laser.

If you give that thing a real good clean you could use it to distill alcohol!

Very cool though, thanks again for sharing.
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Old 04-06-2017, 07:31 PM #53
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Default Re: Laserbuilder's collection of gas and other lasers

It looks like it had a rough life, so far, Laserbuilder. Diachi, there are glass distillation heads much cheaper and more effective than this coil. Will be looking forward to some beam shots when this is incorporated into the dye laser.
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Old 04-06-2017, 07:38 PM #54
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Default Re: Laserbuilder's collection of gas and other lasers

Quote:
Originally Posted by paul1598419 View Post
It looks like it had a rough life, so far, Laserbuilder. Diachi, there are glass distillation heads much cheaper and more effective than this coil. Will be looking forward to some beam shots when this is incorporated into the dye laser.

Yeah, I've used those, just having some fun! Could always go the modified pressure cooker and copper pipe route too...

Agreed though, would be nice to see some dye around here, they can produce some real nice colours.
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Old 04-06-2017, 08:02 PM #55
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Default Re: Laserbuilder's collection of gas and other lasers

you are just an Appalachian moonshiner, Diachi!
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Old 04-26-2017, 02:03 PM #56
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Default Re: Laserbuilder's collection of gas and other lasers

24)

LGN-503 large-frame argon laser.

My new, very recent find))) I got it on monday this week for only 40$ from a lab that was scrapping its equipment. This is one of the most widespread unit among russian argon lasers, it has a water cooled glass tube with the BeO ceramic bore. The tube is inserted in an electric magnet for arc compression. Resonator mirrors are hardly attached to the tube through metal bellows, one of them is actually a prism that is used for wavelength selection. Rated power of this laser is 1W for 488 nm wavelength and it is not specified for other lines. The wavelength can be switched with a knob on the back of the laser. For the 1 W of output it will take 9 kW of input power, the tube current is 30A with the voltage drop 300-320V. The hot cathode starting current from the cold state is nearly 100A! Filament voltage is 4V, with the current of about 25A. The filament transformer lives in a small separate box away from the main power supply.

This ion laser is a true incarnation of the "F@@k the electricity economy" principle! Horribly inefficient!
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Laserbuilder's collection of gas and other lasers-dscn3579.jpg   Laserbuilder's collection of gas and other lasers-dscn3584.jpg   Laserbuilder's collection of gas and other lasers-dscn3567.jpg  
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Old 04-26-2017, 02:42 PM #57
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Default Re: Laserbuilder's collection of gas and other lasers

Quote:
Originally Posted by Laserbuilder View Post
24)

LGN-503 large-frame argon laser.

My new, very recent find))) I got it on monday this week for only 40$ from a lab that was scrapping its equipment. This is one of the most widespread unit among russian argon lasers, it has a water cooled glass tube with the BeO ceramic bore. The tube is inserted in an electric magnet for arc compression. Resonator mirrors are hardly attached to the tube through metal bellows, one of them is actually a prism that is used for wavelength selection. Rated power of this laser is 1W for 488 nm wavelength and it is not specified for other lines. The wavelength can be switched with a knob on the back of the laser. For the 1 W of output it will take 9 kW of input power, the tube current is 30A with the voltage drop 300-320V. The hot cathode starting current from the cold state is nearly 100A! Filament voltage is 4V, with the curent of about 25A. The filament transformer lives in a small separate box away from the main power supply.

This ion laser is a true incarnation of the "F@@k the electricity economy" principle! Horribly inefficient!

Some nice glass work there! Looks like it could use a good clean/flush though . Similar tube design to the SP168 and such, which is my favourite design for Argon (and Krypton), that glass cathode bell looks nice when it's running!

Definitely good for the power company, and the water company if you don't go closed loop for cooling.

Thanks for sharing!
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Old 04-28-2017, 09:30 AM #58
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Default Re: Laserbuilder's collection of gas and other lasers

Just ran across this thread.

WOW!!!

Awesome collection of lasers.

Seems like they need a lot of maintenance though
Don't think I could keep up with that many.

thanks for sharing.
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