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Old 07-02-2014, 07:04 AM #33
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Default Re: Tiny HeNe tubes

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Originally Posted by paul1598419 View Post
Back when I was an EE student I worked as a video/ audio technician. I had to carry CRTs and a couple of times they were charged between 25kV and 30kV and the hard part was to keep holding it while all that energy discharged through my body. To drop it would have been much worse. Wasn't easy, but I never dropped a single one.
ouch...! but yeah I know what you mean. yay for imploding CRT tubes...



Last edited by ultimatekaiser; 07-02-2014 at 07:06 AM.
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Old 07-12-2014, 01:00 AM #34
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Default Re: Tiny HeNe tubes

Matt, I just got my Uniphase Argon laser model # 2201-20SLAT. The laser was advertised as a 35mW but the laser has an original sticker on it that states the power to be .50 watts. I thought that you might know what this is without me going on line to look it up. It has an awesome blue/ green beam that at full power destroyed my power strip I had it plugged into. I think this unit may have been set to a lower power, but haven't had it long enough to know much more than it has 6 lines and the center wavelength is 488nm.
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Old 07-12-2014, 01:51 AM #35
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Default Re: Tiny HeNe tubes

That's pretty much standard on small JDSUs it seems. I have no idea why they chose .5W but both my tubes rated at 10 and 40mw says .5W on their warning labels.
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Old 07-12-2014, 02:01 AM #36
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Default Re: Tiny HeNe tubes

That is strange. I have never seen that before, but have no reason to doubt you. I have a lot of research to do on this argon before I know everything I need to know about it.
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Old 07-12-2014, 03:59 AM #37
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Default Re: Tiny HeNe tubes

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Originally Posted by paul1598419 View Post
Matt, I just got my Uniphase Argon laser model # 2201-20SLAT. The laser was advertised as a 35mW but the laser has an original sticker on it that states the power to be .50 watts. I thought that you might know what this is without me going on line to look it up. It has an awesome blue/ green beam that at full power destroyed my power strip I had it plugged into. I think this unit may have been set to a lower power, but haven't had it long enough to know much more than it has 6 lines and the center wavelength is 488nm.
OK first off. never run this on a power strip. Some of those supplies can draw well over 10A at a time. You should always run them direct off the wall, never on a multi-plug of any kind.

Second...most gas lasers are rated by the CDRH for the max potential of the tube, plus some for safety. that's why it says half a watt on the sticker. that tube is supposed to to 20mW Single line at 488 judging from the label.

Model #2201-20SLAT-
2201 series, 20mW Single Line (SL) and i'm not positive what the AT represents. Mine also has the A designation. its a cylindrical head #2214-40MLA. the P designation is polarized...but i'm not sure of the others. The heads are customizable for whatever application they'll be used for...running it at 20mW it's guaranteed 5000 hours run time by uniphase. If it's doing ML then it sounds like it either had its tube replaced...or its an 'oops' tube, It's hard to say.

Last edited by ultimatekaiser; 07-12-2014 at 04:00 AM.
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Old 07-12-2014, 04:18 AM #38
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Default Re: Tiny HeNe tubes

Interesting. My guess is the tube has been replaced because it does 35mW. It has a satellite that gives a polarized beam, though in what way it is polarized I haven't found out yet. I can see that I will have to do some research on this laser. Thank you for the information that you have given me. The search goes on from here.
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Old 07-12-2014, 04:23 AM #39
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Default Re: Tiny HeNe tubes

well it shouldn't be run at max power. mine does 121-130mW max...but its rated to do 40. and its an original. I think that the A designation means it is adjustable, P is polarized, and T means that it is a replacement/refurbished tube...but why they would do that, I'm not sure....as they are supposed to re-label it if they wanted to do that. It sounds like it was repurposed, or it was an OOPS! tube, as mentioned above - hence selling it.

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Old 07-12-2014, 01:31 PM #40
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Default Re: Tiny HeNe tubes

Quote:
Originally Posted by paul1598419 View Post
Interesting. My guess is the tube has been replaced because it does 35mW. It has a satellite that gives a polarized beam, though in what way it is polarized I haven't found out yet. I can see that I will have to do some research on this laser. Thank you for the information that you have given me. The search goes on from here.
The 20mW rating is an end-of-life figure. Most tubes do significantly more than that when they're new.

I have a 2214-40MLA that has hit 160mW at full current.

Also interesting to note, I have an ILT krypton ion that has a sticker rating of 100mW (which should be a theoretical maximum plus safety margin) and it has done just a smidge over 100mW of 657.1nm at full current.
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Old 07-12-2014, 05:11 PM #41
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Default Re: Tiny HeNe tubes

Quote:
Originally Posted by MarioMaster View Post
The 20mW rating is an end-of-life figure. Most tubes do significantly more than that when they're new.

I have a 2214-40MLA that has hit 160mW at full current.

Also interesting to note, I have an ILT krypton ion that has a sticker rating of 100mW (which should be a theoretical maximum plus safety margin) and it has done just a smidge over 100mW of 657.1nm at full current.
Yep. Nice healthy argon tube yeah that number is the minimum output, and the recommended output power for max life with all 6 lines in. As the tube ages the power drops, so once max current = that rating it's time for a refurb/replacement.

I haven't seen a krypton only tube in a while. They're rather fragile...and picky, But beautiful. I love all the reds and yellow they can supply, and the occasional blue/violet.

Back on topic.... I believe the smallest ion laser was about the size of a soup can. I remember talking to sam about it. Interesting.

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Old 07-12-2014, 06:10 PM #42
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Default Re: Tiny HeNe tubes

Got a little more information on this one. It was given to the seller I bought it from by a tech at Uniphase ten years ago. He believes it was purposed for a larger piece of equipment because the cable from the laser to the power supply is exceptionally long. It may have been repurposed, but that would only be a guess.
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Old 07-12-2014, 11:04 PM #43
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Default Re: Tiny HeNe tubes

Been doing my homework on this laser and it may be a single line with a satellite that is polarized. That would be perfect for my applications of using it for holography. That is the reason I have gotten back into gas lasers in the first place. It is very hot here these days and will wait until the temperature drops to get a good measurement of the power of this laser. Even with my air conditioner this thing puts out a great deal of heat, as all ion lasers do, but I'm not telling you anything you don't already know.
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532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
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635nm 5mW pointer
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635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
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Last edited by paul1598419; 07-12-2014 at 11:05 PM.
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Old 07-12-2014, 11:22 PM #44
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Default Re: Tiny HeNe tubes

If you have polarized sunglasses you can put them in the beam and rotate them, you should see the output beam dim to almost nothing if the laser is polarized.
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Old 07-12-2014, 11:39 PM #45
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Default Re: Tiny HeNe tubes

Been using polarized filters since I was a kid, but that only works for plane polarized light. I'm not sure it would work for circularly polarized light.
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405nm Laser Pointer 45mW
405nm C11 700mW
405nm Laser Shack Pointer 80mW
Thor H Dual Power 445nm, 438 mW & 1648 mW
445nm 1.75 watts SkyRay Gifted
445nm 3 watts MS-SSW-II
445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
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Old 07-13-2014, 12:03 AM #46
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Default Re: Tiny HeNe tubes

Yeah. Best to move it to another thread though . I'll be doing one on my new toys when they arrive.
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Old 07-13-2014, 12:28 AM #47
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Default Re: Tiny HeNe tubes

Sorry. Didn't mean to hijack your GB. Let me know when it's time to pay. Thanks, Paul
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405nm Laser Pointer 45mW
405nm C11 700mW
405nm Laser Shack Pointer 80mW
Thor H Dual Power 445nm, 438 mW & 1648 mW
445nm 1.75 watts SkyRay Gifted
445nm 3 watts MS-SSW-II
445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
Radiant X4 3.7 Watt LPM
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Old 07-13-2014, 12:32 AM #48
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Default Re: Tiny HeNe tubes

No worries. Just don't want anyone in trouble, and I wanna see it run and get details. come to think of it, I never made a thread on mine. I keep forgetting.
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