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Old 08-30-2010, 02:22 AM #1
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Default Anybody Near Wausau, WI ?

I will be very jealous

Lexel 75 Argon Laser 120v single phase 400+mw multiline - eBay (item 170533177544 end time Sep-06-10 13:13:32 PDT)

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Old 08-30-2010, 02:42 AM #2
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Default Re: Anybody Near Wausau, WI ?

2hr drive... okay
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Old 08-30-2010, 03:10 AM #3
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Default Re: Anybody Near Wausau, WI ?

What do you do with a lab style Argon laser besides look at the beam, and split the various spectral lines off with a prism or diffraction grating?

I'm not set up for a laser show, and can't holography be done easier with a diode (logistically, I mean, no water pump... cooling, huge power drain.) setup as long as it puts out a nice TEM 00 beam?

Oh... 3 hours, 10 minutes.

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Old 08-30-2010, 03:51 AM #4
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Default Re: Anybody Near Wausau, WI ?

Quote:
Originally Posted by AJ_Dual View Post
What do you do with a lab style Argon laser besides look at the beam, and split the various spectral lines off with a prism or diffraction grating?
Why would there need to be moar than that?

Peace,
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Old 08-30-2010, 05:32 AM #5
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Default Re: Anybody Near Wausau, WI ?

Wausau?!
Wonder what I would have to do to get my friend to pick it up & give it a nice home...
Most girls love Argon gas lasers right?
.
*crickets*
.
.
.
Right?!
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Old 08-30-2010, 06:03 AM #6
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Default Re: Anybody Near Wausau, WI ?

Why must all the good deals be in the US?

You guys are a lucky bunch when it comes to gas..
The most I find in these parts are oldschool HeNe table mounted
bar code scanners from the 90's


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Old 08-31-2010, 12:59 AM #7
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Default Re: Anybody Near Wausau, WI ?

Quote:
Originally Posted by wannaburn View Post
Why must all the good deals be in the US?

You guys are a lucky bunch when it comes to gas..
The most I find in these parts are oldschool HeNe table mounted
bar code scanners from the 90's



If you buy it from him, pop me a PM, I have one 75-1 tube doing 80 mW and one 75-3 that is gas and cathode intact that I do not have time or the PSU to test.

According to the Lexel factory tube book, keep that tube below 12 amps.
400 mW implies its a dash 3 and the current is turned up. I got 350 with a dash 3 at 13.5. so 400 is either excellent or a bit overdriven. The hard trip is set at 13.5 in those supplies.

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Old 08-31-2010, 01:05 AM #8
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Default Re: Anybody Near Wausau, WI ?

Quote:
Originally Posted by AJ_Dual View Post
What do you do with a lab style Argon laser besides look at the beam, and split the various spectral lines off with a prism or diffraction grating?

I'm not set up for a laser show, and can't holography be done easier with a diode (logistically, I mean, no water pump... cooling, huge power drain.) setup as long as it puts out a nice TEM 00 beam?

Oh... 3 hours, 10 minutes.

That one does 35 % more power then a 110V aircooled, runs on less energy per watt, and has a stability that is out of this world.

I've yet to see a pointer that does 457 nm violet. You have not lived until you have mixed 633 with 457 or 477. You can stick a prism on the rear of that and tune it.

That is what you do with a non holo or non display argon, and with one of those 75s you can do doppler lidar measurements etc.

They live forever, and 488 is more of a blue to the human eye then 445, which many perceive as almost white.
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Old 09-02-2010, 04:10 AM #9
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Default Re: Anybody Near Wausau, WI ?

If only I had a driver's license.
It says he would transport it for $0.50 a mile, but that would be like $100 for me...
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Old 09-02-2010, 10:54 PM #10
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Default Re: Anybody Near Wausau, WI ?

I'll have to pass on this one... but I drove the price up to $200.
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Old 09-03-2010, 02:14 PM #11
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Default Re: Anybody Near Wausau, WI ?

That may have been one that i repaired several years ago at the tech college. They had about 20 of them that they said were "dead", and I resurrected all but 4 of them using a BIG variac. Thing is they were 220V, not 110, looks like he got the big transformer with it. These lasers will not do holography very easily without adding a mode limiting filter, etalon and a tuning prism.
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Old 09-06-2010, 08:20 PM #12
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Default Re: Anybody Near Wausau, WI ?

It went for $510-- twas fun to watch the bidding in the last few minutes: it stayed at $202.50 up until a few minutes before closing, then jumped to $222.50, where it stayed until the last few seconds, someone sniped it for $510.
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