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Old 10-01-2013, 12:13 AM #17
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Default Re: Where to start? HeNe Gas Laser

I don't know the specs of the tube, so I am not of much use.

3mA is still pretty low for most tubes. 3.5-4mA would have you on the right track.


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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
612nm HeNe 1mW ML 4 line; Raman 6 line
629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
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650nm Raman 6 line
658nm LPC-826
685nm 20mW
808nm Modded NewWish pen


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Old 10-01-2013, 12:16 AM #18
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Default Re: Where to start? HeNe Gas Laser

Melles griot 05-LHP-271-299. MFG-D March 2004 serial number 2334EI
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Old 10-01-2013, 12:22 AM #19
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Default Re: Where to start? HeNe Gas Laser

Not sure if it's similar to the MG-171's. Otherwise I cannot find anything on them. Length of tube?
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442nm 15mW Melles Griot HeCd
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457nm Tunable OMNI 532
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Old 10-01-2013, 12:27 AM #20
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Default Re: Where to start? HeNe Gas Laser

Mirror to mirror its about 9 inches. Has 3.6 written in sharpie on the glass. That was something done when it was manufactured because I pulled this tube out of its case myself. Curious as to if that 3.6mA optimum.
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Old 10-01-2013, 12:34 AM #21
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Default Re: Where to start? HeNe Gas Laser

I think the 299's are around a KV @ 5mA..? maybe that's true....I'll keep looking

Edit: Got it. its about the same as mine, at almost 2KV as the complete head @ 6mA

05-LPM-340-065th This small standard HeNe power supply provides a tube current of 6.5mA. The ignition voltage is about 10 kV, the operating voltage range is specified with 1700V to 2450V. The (measured) my tube running voltage is about 1950V at a current of about 6 mA, so very typical of normal data for an average helium-neon tube.
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Last edited by ultimatekaiser; 10-01-2013 at 12:40 AM.
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Old 10-01-2013, 12:36 AM #22
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Default Re: Where to start? HeNe Gas Laser

I'd say 6.5mA, ~1.6-1.75KV. 9in (222mm) matches up to most 2-4mW 632.nm tubes.

3.6 could be for 3.6mW.

EDIT: Second set of numbers is meaningless. Model number is 05-LxP/R-xxx.

LGR/P - 543.5nm
LYR/P - 594.1nm
LOR/P - 611.8nm
LIR/P - 1523nm
LFR/P - 3391nm

LHB - Brewster 632.8nm tube
LGB - Brewster 543.5nm tube

P - Linearly polarized
R - Randomly polarized
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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
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629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
647nm ~10mW ArKr whitelight Kr line
650nm Raman 6 line
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685nm 20mW
808nm Modded NewWish pen


HeNe/gas reference thread

Last edited by bloompyle; 10-01-2013 at 01:52 AM.
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Old 10-01-2013, 01:45 AM #23
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Default Re: Where to start? HeNe Gas Laser

Quote:
Originally Posted by SKeeZ View Post
Thanks guys, i learned something. i suppose i could expand my budget to 300 or less. Any suggestions?
try daguin, he is always selling some multiline argons and may be able to hook you up with something.

also try the PL forums, DJMatt is currently selling a bunch of Argons and he is very reputable also.

For a reference, the last 3 high power HeNe lasers I bought from ebay were all over 12mw and all cost less than $75 with the power supply. But you have to know what to look for.

But as mentioned, multiline HeNe lasers are out of your range.

Last edited by icecruncher; 10-01-2013 at 01:45 AM.
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Old 10-01-2013, 01:55 AM #24
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Default Re: Where to start? HeNe Gas Laser

Well SKeeZ. If ypu can find a PSU putting out what was described above then ill let the tube go for dirt cheap. If not it may be cheaper to get a tube with supply from the bay. Let me.know what you can find!
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Old 10-01-2013, 02:01 AM #25
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Default Re: Where to start? HeNe Gas Laser

If I get 2 or more of these green tubes working, I may sell you one for dirt cheap.

Homework assignment. Explain to me how the basic HeNe works.

I know how copy/paste looks If you can show understanding of it, I'll give you a deal you can't say no to

I want mirrors and windows, getter/spider, anode/cathode, effects of varying bore diameter, and the difference between a 632.8nm tube, and a 543.5nm tube. Other than wavelength

It won't be quick, but it will get you to understand the beauties of gas lasers better
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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
612nm HeNe 1mW ML 4 line; Raman 6 line
629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
647nm ~10mW ArKr whitelight Kr line
650nm Raman 6 line
658nm LPC-826
685nm 20mW
808nm Modded NewWish pen


HeNe/gas reference thread

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Old 10-01-2013, 02:04 AM #26
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Default Re: Where to start? HeNe Gas Laser

Looking forward to your results from your lot purchase there bloom.
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405nm Lazerer Polished Rifle 688mW
445nm Kryton Groove 1.6W~Sinner 3.3W
450nm Guidesman 1.2W
457.9nm ML Argon
473nm PL-E Pro 15mW
476.5nm ML Argon
488nm Uniphase Multi-Line Argon 48mW/73mW in current control;
496.5nm ML Argon
501.7nm ML Argon
514.5nm ML Argon
532nm SkyRay King Gre3n 35mW/60mW/70mW~Phobos Fasttech 70mW~Optotronics RPL-500 450mW~JetLasers Ti B 170mW
543.5nm Bare tube HeNe ~3mW (Nightstand lamp)
632.8nm Bare tube HeNe ~3mW~Bare tube HeNe Multimode 12mW (Desk Lamp)
638nm Mrcrouse Custom 650mW
658nm wannaburnstuff baby shower gift? 127mW
808nm Coherent CCP 10W

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Old 10-01-2013, 02:05 AM #27
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Default Re: Where to start? HeNe Gas Laser

You and me both

I'll need to get a PSU from Sam for the higher powered tubes. Not looking forward to that price tag...

Though I suspect the greens will run off of the 6.5mA PSU I have.
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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
612nm HeNe 1mW ML 4 line; Raman 6 line
629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
647nm ~10mW ArKr whitelight Kr line
650nm Raman 6 line
658nm LPC-826
685nm 20mW
808nm Modded NewWish pen


HeNe/gas reference thread
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Old 10-01-2013, 02:06 AM #28
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Default Re: Where to start? HeNe Gas Laser

My green runs just fine off the PSU I got with my multimode 632.8.
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450nm Guidesman 1.2W
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638nm Mrcrouse Custom 650mW
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Old 10-01-2013, 02:11 AM #29
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Default Re: Where to start? HeNe Gas Laser

Most greens require 6.5mA. Exceptions being the very small tubes, some need 5.0mA. Even then, most of your small tubes are still 6.5mA. This is due mostly (I theorize) to the altered gas mixture needed for 543.5nm lasing. This is a very low gain line, and I think it's a desperate attempt to ionize the mixture with more success.

The mirrors in 543.5nm tubes are also VERY HR. Usually the HR mirror will be 99.98% HR@543.5. It's crazy high.

Then the far IR (3.39uM) can be as low as 50%

I'm excited to see if he takes my homework challenge for a cheap tube
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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
612nm HeNe 1mW ML 4 line; Raman 6 line
629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
647nm ~10mW ArKr whitelight Kr line
650nm Raman 6 line
658nm LPC-826
685nm 20mW
808nm Modded NewWish pen


HeNe/gas reference thread

Last edited by bloompyle; 10-01-2013 at 02:12 AM.
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Old 10-01-2013, 02:16 AM #30
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Default Re: Where to start? HeNe Gas Laser

I'm still looking for a green myself along with an orange when i dig up some more cash.

one day...
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325nm: Omni 2056-M-A01 HeCd
375nm: Melles Griot RCS-007

405nm: Melles Griot RCS
430nm: Coherent D3 430-10
441.6nm: Omnichrome 2056-M-A01/4074-P-A03 HeCd laser
457.9nm: Argon Ion Line

472nm Omni-643RYB Whitelight Line
473nm: CNI MGL-473-100, CNI GLP-473
476.5nm: Argon Ion Line

483nm Omni-643RYB Whitelight Line
488nm: Argon Ion Line, Spectra Physics >20mW Cyan DECSL Laser, Coherent Sapphire 488-20 OPSL

496.5nm: Argon Ion Line
501.7: Argon Ion Line
514.5nm: Argon Ion Line
520nm: Trustfire A8 Custom

532nm: CNI MGL-F-3W, Coherent Genesis MX Taipan OPSL, LG Hercules-325
543.5nm: 05-LGR-193 Melles Griot HeNe 3.8mW
Melles Griot LGB-563 HeNe

561nm: Melles Griot 85-YCA-015, Coherent Sapphire 561-20
568nm: Omni-643RYB Whitelight Line

577nm: Coherent Genesis MX Taipan OPSL
583.8nm: DPSS line
586.2nm: DPSS line
588.6nm: CNI PGL-M-80

591nm: DPSS line
593.5nm CNI MGL-H-50 Lab Laser
594.1nm: Coherent 31-2230-000 (4.5mW)

604.6nm: LOR-150 HeNe line
609nm: Raman HeNe line?
611.8nm: Melles Griot LOR-150 HeNe (5mW), LOR-006 HeNe (0.5mW)

632.8nm: Spectra Physics Model-127 (>35mW), Model-124B, Model-120, Model-117, others
Melles Griot LHB-580, LHB-190, WHR-570

641nm: Melles Griot RCS
647nm: Omni-643RYB Whitelight Line
659.6nm: Laser Quantum IGNIS DPSS laser 0.5W

671nm: CNI PGL-III-C-100
676nm: Omni-643RYB Whitelight Line
690nm: custom diode laser
694nm: Portable Q-switched Ruby Laser

1152.6nm: SP-120 HeNe alt. mirrors
1523.5nm: Melles Griot LIR-151 HeNe
3391nm: SP-124 alt. mirrors
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Old 10-01-2013, 02:18 AM #31
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Default Re: Where to start? HeNe Gas Laser

I would challenge you to the same "homework challenge" but I am pretty sure you already understand HeNes enough.

Greens can be found for cheap on the bay if you look hard enough.
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405nm 500mW
442nm 15mW Melles Griot HeCd
445nm 1W
455nm 100mW LaserBTB
457nm Tunable OMNI 532
465nm Tunable OMNI 532
467nm 1.8W NDB7675
472nm Tunable Omni 532
473nm 2x 100mW Melles Griot lab heads w/ PSUs
476nm Tunable OMNI 532
488nm Single line 35mW
496nm Tunable OMNI 532
502nm Tunable OMNI 532
514nm Tunable OMNI 532
520nm 40mW MSV2
532nm Various pointers
543nm GreeNe 2mW
568nm ~20mW ArKr whitelight line
589nm 126mW PGL-III-C
594nm Rigel-6; 4.75mW + <1mW
604nm 2x <1mW multiline
609nm Ne Penning mixture Ar line from REO 612nm
612nm HeNe 1mW ML 4 line; Raman 6 line
629nm <1mW Raman 6 line
633nm 1-4mw red HeNe
635nm Raman 6 line
638nm 20mW single mode
640nm Raman 6 line
647nm ~10mW ArKr whitelight Kr line
650nm Raman 6 line
658nm LPC-826
685nm 20mW
808nm Modded NewWish pen


HeNe/gas reference thread
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Old 10-01-2013, 02:19 AM #32
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Default Re: Where to start? HeNe Gas Laser

yeah. I've seen them around in lots of values. just got no money....need more greens to get greeNes
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325nm: Omni 2056-M-A01 HeCd
375nm: Melles Griot RCS-007

405nm: Melles Griot RCS
430nm: Coherent D3 430-10
441.6nm: Omnichrome 2056-M-A01/4074-P-A03 HeCd laser
457.9nm: Argon Ion Line

472nm Omni-643RYB Whitelight Line
473nm: CNI MGL-473-100, CNI GLP-473
476.5nm: Argon Ion Line

483nm Omni-643RYB Whitelight Line
488nm: Argon Ion Line, Spectra Physics >20mW Cyan DECSL Laser, Coherent Sapphire 488-20 OPSL

496.5nm: Argon Ion Line
501.7: Argon Ion Line
514.5nm: Argon Ion Line
520nm: Trustfire A8 Custom

532nm: CNI MGL-F-3W, Coherent Genesis MX Taipan OPSL, LG Hercules-325
543.5nm: 05-LGR-193 Melles Griot HeNe 3.8mW
Melles Griot LGB-563 HeNe

561nm: Melles Griot 85-YCA-015, Coherent Sapphire 561-20
568nm: Omni-643RYB Whitelight Line

577nm: Coherent Genesis MX Taipan OPSL
583.8nm: DPSS line
586.2nm: DPSS line
588.6nm: CNI PGL-M-80

591nm: DPSS line
593.5nm CNI MGL-H-50 Lab Laser
594.1nm: Coherent 31-2230-000 (4.5mW)

604.6nm: LOR-150 HeNe line
609nm: Raman HeNe line?
611.8nm: Melles Griot LOR-150 HeNe (5mW), LOR-006 HeNe (0.5mW)

632.8nm: Spectra Physics Model-127 (>35mW), Model-124B, Model-120, Model-117, others
Melles Griot LHB-580, LHB-190, WHR-570

641nm: Melles Griot RCS
647nm: Omni-643RYB Whitelight Line
659.6nm: Laser Quantum IGNIS DPSS laser 0.5W

671nm: CNI PGL-III-C-100
676nm: Omni-643RYB Whitelight Line
690nm: custom diode laser
694nm: Portable Q-switched Ruby Laser

1152.6nm: SP-120 HeNe alt. mirrors
1523.5nm: Melles Griot LIR-151 HeNe
3391nm: SP-124 alt. mirrors
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