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Old 06-16-2017, 02:37 PM #17
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Default Re: Looking for a 495nm blue laser - low power

Quote:
Originally Posted by steve001 View Post
I don't wanna wait. You didn't tell Hap to wait. I want satisfaction now.
You were just the last person to post to the thread when I made my post, I quoted you but that post was directed at everyone. Looks like OPs budget is in the 10s of dollars range, which is what I thought it'd end up being.

Also...

I can't get no satisfaction, I can't get no satisfaction
'Cause I try and I try and I try and I try
I can't get no, I can't get no

Quote:
Originally Posted by Stevesteve View Post
Blimey! Some excellent replies thanks guys.

I am looking to excite some fluorophores for a microscope but have limited budget (tens of quid/dollars rather than hundreds). The good thing is that there are dozens of chemicals available so I can pick and choose my frequencies.

There is one stain I would like to try, which has a peak excitation at 495nm. However, if really pushed I could try some clever optics to focus LED (non-laser) as there are turquoise devices close to that range.

Thanks for the replies, give it a few years and maybe there will be a full spectrum of pointers for a few quid on eBay!

Cheers,
Steve

Yes, unfortunately you're not going to get anything at 495nm for anywhere near that price, not yet anyway. Maybe a few years down the road. We may have some 480nm diodes coming up but those haven't been confirmed yet, so until that happens we have no idea if that's what they actually are.


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405nm | Banggood LT-850 | "5mW" | Review Unit | Review WIP
445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
450nm | LaserPointerStore - Thor H2 | 1W(?) | Review Unit | >>Review<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



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Old 06-16-2017, 09:58 PM #18
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Default Re: Looking for a 495nm blue laser - low power

Quote:
Originally Posted by diachi View Post
You were just the last person to post to the thread when I made my post, I quoted you but that post was directed at everyone.

Also...

I can't get no satisfaction, I can't get no satisfaction
'Cause I try and I try and I try and I try
I can't get no,...
Good, I thought you just had me in your sights. 😉

Last edited by steve001; 06-16-2017 at 09:59 PM.
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Old 06-17-2017, 10:04 PM #19
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Default Re: Looking for a 495nm blue laser - low power

488 and 492 generally works for most of those Stains and dyes, but sadly they cost stupid amounts of money. Specially if you're doing something like microscopy or spectroscopy.

If you're looking for a single wavelength I actually go for a 488-20 sapphire. But the cost is definitely not cheap. Entry 488 lasers are usually at least 1500-2000 used, let alone new. I have several but they don't really go for very cheap. I have a blue sky laser that might actually do ok for a somewhat more reasonable cost. Tell us more about what youre doing. I might be able to help.
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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; 06-17-2017 at 10:04 PM.
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