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Old 02-28-2016, 02:37 AM #17
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This is the type of material that brings me back to the forum and looking at the collective of parts that I haven't touched in months.

Monday I'm buying a new pump diode and I'm going to stop making excuses and start experimenting again.

Thank you.


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Old 02-28-2016, 02:40 AM #18
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Originally Posted by bloompyle View Post
This is the type of material that brings me back to the forum and looking at the collective of parts that I haven't touched in months.

Monday I'm buying a new pump diode and I'm going to stop making excuses and start experimenting again.

Thank you.
And you know what? it is exactly posts like this that make it worth this doing. Inspiring others to learn and explore. I've said it before and I'll say it again that I'm happy to help any time bloom.
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Old 02-28-2016, 03:14 AM #19
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Default Re: Spectra Physics Scientific 488nm SLM DECSL laser

I'll probably message you a bit. I'll need some refreshing..I've been off the saddle for too long.
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Old 03-05-2016, 03:47 AM #20
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Default Re: Spectra Physics Scientific 488nm SLM DECSL laser

Glad you will share info like this.
Thanks -- HMike
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Old 12-05-2016, 07:49 AM #21
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Default Re: Spectra Physics Scientific Cyan 488nm SLM DECSL laser

Just an update. I got another of these lasers recently. it has an earlier ID and is the OEM version so it lacks a shutter on the front. It has about 2700 hours on it, so it is a bit more well used than the other and the internals are ever so slightly different, and a bit less modular. overall its pretty much identical though aside from the labeling on the outside though. This includes different stickers saying its an OEM product rather than CDRH compliant on its own, along with some other minor differences.

I also obtained two more drivers-an OEM one, and another scientific one like shown in the original post. The OEM one has some minor scratches on the analog daughter board, and some resistors missing from it where the scratches are, so they probably were scraped off in an accident somewhere along the line. the main board boots up fine however and runs perfectly, and reports 0 hours and has a pass sticker on it so I suspect it was produced, had something happen to it in storage and then never got sold after initial testing however due to the flaw. the other driver also works, and interestingly has a different analog board with lots of extra components on it, and an extra connector. it appears to reverse one of the DIP switches- S1,4 which is responsible for auto-booting the controller on power-up, rather than waiting for an RS-232 command to start the laser. The second driver (the scientific one) is also reporting 0 hours on it, suggesting (as they came from the same place) that they were spare stock that has recently been sold off/recovered, but functionally are new, despite being a bit roughed up. Everything works great for the price and is probably worth quite a lot of money. Since the second scientific controller is a spare I decided to peek into it more in depth than the other one, and found that the 12V supply SP picked out for this laser is a KGCOMP model SPN50-12S which is a 12V 4.3A supply (on 115Vin) designed for low noise and fairly high efficiency at 78%. Looks like a good choice overall and seems to hold up nicely. Also reinforces just how much less power it consumes than the coherent sapphire does. even the modern sapphire driver is rated 140W, compared to the 50W of this supply, and I know it doesn't even use that much, having plenty of headroom under most all conditions.

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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

Last edited by ultimatekaiser; 12-05-2016 at 07:51 AM. Reason: fixed typos
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