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Old 01-06-2014, 10:13 PM #1
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Default 18.5mw HeNe Grab!!!

I'm back in business! There are a few of these on ebay - tested with actual measured output. They are all listed at $180, but I made a $125 offer and it was accepted!

Here is the auction link:
Coherent 18.5mw HeNe

I'm looking forward to getting into some holography with this... something I wanted to do about 15 years ago and never got around to... I even set up an isolation table in the basement and it has sat unused ever since... I went to town on it back then, super heavy duty with concrete poured top, and 2" concrete pavers under that, carpet layers and inner tubes for isolation.. Its about 4'X4' in the corner of the basement, just been holding boxed ever since.

Tomorrow I plan to start cleaning up the area in preparation! WOOHOO!!!



Last edited by Escher; 01-06-2014 at 10:30 PM.
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Old 01-06-2014, 11:37 PM #2
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Default Re: 18.5mw HeNe Grab!!!

Nice! I even just snagged an overspec Melles Griot greenNe @ 3.4mW! some good stuff popping up. I wonder if some place liquidated its inventory recently?
__________________
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 01-07-2014, 02:01 AM #3
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Default Re: 18.5mw HeNe Grab!!!

While I've bought from that seller before that tube is only rated for 10mw. If you have an LPM I'll be interested to see your readings as I've been wanting a decent red HeNe for awhile now.
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405nm: 87mw PHT-803T in hotlights (thread)
405nm: 170mw 6x SF-AW 210 Guidesman host (thread)
445nm: 710mw Guidesman host
635nm: 4mw pen host (thread)
660: 190mw LPC-815 Guidesman host

Last edited by LtKernelPanic; 01-07-2014 at 02:03 AM.
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Old 01-07-2014, 02:06 AM #4
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Default Re: 18.5mw HeNe Grab!!!

Do these have a good visible plasma tube? I might get one in that case. I am not very familiar with HeNes
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Old 01-07-2014, 02:35 AM #5
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Default Re: 18.5mw HeNe Grab!!!

Those do not at all since they're in a head.
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405nm: 87mw PHT-803T in hotlights (thread)
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Old 01-07-2014, 02:40 AM #6
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Default Re: 18.5mw HeNe Grab!!!

Quote:
Originally Posted by LtKernelPanic View Post
While I've bought from that seller before that tube is only rated for 10mw. If you have an LPM I'll be interested to see your readings as I've been wanting a decent red HeNe for awhile now.
If you check Sam's FAQ - the tubes are rated 10mw, but new tubes run around 17-18mw.. Therefore - these tubes have never been used.

See here:
Sam's Laser FAQ - Commercial Unstabilized HeNe Lasers

Scroll down to the actual tube measurements section. Rated for 10, stickered as less than 30, running at 17. Same tube (Coherent 31-2090-000). Thats why I bought it, its virtually new.

No LPM currently, but planning on getting a low power one from laser bee in the next few months.

Last edited by Escher; 01-07-2014 at 02:42 AM.
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Old 01-07-2014, 02:41 AM #7
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Default Re: 18.5mw HeNe Grab!!!

Quote:
Originally Posted by Down with Umbrella View Post
Do these have a good visible plasma tube? I might get one in that case. I am not very familiar with HeNes
You can remove the shell - I've seen samples of people that have done it..
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Old 01-07-2014, 02:46 AM #8
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Default Re: 18.5mw HeNe Grab!!!

Hmm.. thanks, might check into that. Good luck with your holography
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Old 01-07-2014, 02:56 AM #9
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Default Re: 18.5mw HeNe Grab!!!

Quote:
Originally Posted by Down with Umbrella View Post
Hmm.. thanks, might check into that. Good luck with your holography

Found it... here's a tutorial on the removal... Its a destructive mod..

Tutorial: Melles Griot HeNe Head disassembly
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Old 01-07-2014, 03:20 AM #10
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Default Re: 18.5mw HeNe Grab!!!

not all heads come apart quite the same. Sam's FAQ has some good info on it.
__________________
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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