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Old 12-31-2014, 05:40 PM #1
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Exclamation Looking for an Optotronic RPL 450-500 mW 532nm

I'm interested to buy that laser, at a reasonable price, but it must be in mint condition, not underspeced, with stable output power, low divergence, thin beam, almost parallel beam to the host, and with a clean dot without any line, reflections, patterns or aberrations around it.
The host must be without deep scratches or identations.

Good year to all !!


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- Jetlaser PL-E Pro Focusable 445 nm 4000 mW Peak 3500 mW Average With Jetlaser 10x Beam Expander
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Old 12-31-2014, 10:09 PM #2
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

you understand RPLs are known for their thin beams, right?

I've got one waiting to be sent in for repair, it was only doing 150mW

what do you suppose the RPL has that your herc lacks, other than size considerations? I'd say the herc is better in nearly every way, though I do dislike D batteries

all DPSS units not temp controlled will experience at least some instability.

I'd actually consider trading mine, once repaired, for a 800mW+ 532nm JL PL-E pro, but I see you don't have one of those. watch the duty cycle on your 445nm pro, I overdid it on mine and the diode degraded to 1.3W output, most unimpressive for that diode

cheers and good luck
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Old 01-01-2015, 12:02 AM #3
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Hello and Good Year
I like RPL for its very thin beam and for its very low divergence.
No other handheld lasers reach this specs.
It has 6 mins duty cycle that is more than enough for my use.
I had many Hercules, and the only good thing is that it has active cooling and permits a long duty cycle (max reccomended: 15 minutes).
Hercules had a 2.5 mm beam diameter, that is too much big in my modest opinion.
I'm a laser collectors and my collection lack the Optotronic one.
My other 445 nm lasers for the momment are at its best performances, because I use they with short duty cycles in a very cold environments (tonight it was -4 C with low humidity, an environment very appreciated for the multimode diodes ).
The only lasers that I suppose to degrade quickly is my Jetlaser 445nm 4W, because it become hot in less than 2 minutes, and as You know, more heat is generated, more current is absorbed by the diode, more quickly is the decay of the diode specs.
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Old 01-01-2015, 12:12 AM #4
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Oh ok, your OP says thick beam.

I suppose they have some things hercs do not

Optotronics RPL VS. LaserGlow Hercules

if you are hoping for significantly better divergence, you might be dissapointed. the RPLs are good and might beat out a herc, but I don't think it would be by any significant margin. maybe diameter, as you said.

best of luck. they pop up around here every now and then, usually for $500+
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501B BDR-209 16X 405nm 630mW @.52Ag lens
Host by Ehgemus NUBM44 450nm 6.8W @4.5A g lens
Host by Ehgemus M462 462nm 1.5W @1.2A g lens
Dominator NUBM07E 465nm 4.3W @3.5A g lens
L2P Nichi@ NDG4216 515nm 110mW @ .35A
501B by Blord osr@m PL520 520nm 95mW @.3A g lens
PL-E pro from Jetlasers nichi@ NDG7475 520nm 980mW, 730mW w/ 10X BE

Lasermax Genesis sight 532nm 5mW
RPL from Optotronics 532nm 450mW

Spartan from Dragonlasers 589nm 50mW
501B HL63133DG 638nm 210mW @.3A g lens
501B Ocl@ro HL63193MG 638nm 960mW @1.3A g lens

501B by Blord LPC 826 660nm 325mW @?A g lens
PL660 from Laserbtb 660nm 1020mW

LPM
DL matrix and fan transmission gratings

laser powers in sig are about 20 seconds into duty cycle, not peak powers

http://laserpointerforums.com/f39/co...her-94720.html

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Old 01-01-2015, 12:25 AM #5
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Oh my God, I wrote thick instead thin, my typo sorry.
Usually Hercules has 1.2 mRad, while RPL is <1.0 mRad. They uses different diodes and different lenses. I had both of them and I assure that a long distance the Hercules spot is really big compared to the RPL one.
Unluckly the Speedy Optotronic 500 that he had sold me some times ago showed some major issues so I have sold it for less than 200 dollars. I'm looking for a better unity ...
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- Sci-Fi Lasers Arcane II 635nm Light Gray Metallic Powder Coated 675 mW Peak 645 mW Average With Three Elements Glass Lenses
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- Aurora SH-032 Stainless Steel 160 Lumens
- Nitecore TN36UTvn Modded Ultra-Directive 1 MLux !!
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Old 01-01-2015, 04:37 AM #6
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

IIRC The beam of the Laserglow Hercules 800 532nm you have is 2.5mm thick?

I thought it was 1.5mm as written in the Laserglow datasheet.

And had you ever measured the Optotronic 500 beam thickness?

I don't think the Optotronic green handhelds really managed to produce a <1.5mm beam with <1.1 mrad if your expensive expensive Laserglow handheld couldn't achieve it.

although Optotronic says the RPL is Lowest true divergence in the industry

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Old 01-01-2015, 04:54 AM #7
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Hello.
Yes I have measured it with an electronic caliper, near the aperture shutter and against a wall at 10 meter distance. Everything is as described.
What Laserglow said is half true. 1.5 mm is achieved only up to 200 mW. After 200 mW the beam diameter become 2.5 mm. Probably the diode and the crystals used are different.
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Old 01-01-2015, 05:07 AM #8
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Then I would suspect that the models/diode used inside the RPL 200 to 450 model are all the 150mw~250mw model. Just because some came out good test results then it will be labelled as RPL400/450 to sell. That's why all Optotronic RPLs have a great divergence no matter which output. You won't see a 600mw from Optotronic because it needs a higher pump diode/model to reach 600mw, in other word the beam thickness would increase as higher output like the Laserglow Hercules .

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Old 01-01-2015, 05:30 AM #9
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Default Re: Looking for an Optotronic RPL 450-500 mW 532nm

Laserglow Hercules use c-mount n-light diodes from CNI, while Optotronic use Viasho DPSS diodes. Probably different diodes make different results. In addition there are so many crystals suppliers and lenses suppliers, obviously the results may vary considerably.
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- Jayrob Aurora Stainless Steel 18650 445nm 891 mW Average 950 mW Peak
- Jayrob Frankenstein 445nm 2875 mW Average 3108 mW Peak With Modified Recoated Laserglow 10x Beam Expander
- Jetlaser PL-E Pro Focusable 445 nm 4000 mW Peak 3500 mW Average With Jetlaser 10x Beam Expander
- Mrcrouse Zaser Black Anodized Custom Head/Pill 445 nm 4970 mW Peak 4670 mW Average With Laserglow Modified Recoated 10x Beam Expander
- Sinner Cypreus IIIb 450nm 4757mW With Three Elements Glass Lenses And Adapted Linos 10x Beam Expander
- Sinner Cypreus II XL Gold Plated 24k 465nm 4200 mW Peak With Three Elements Glass Lenses
- CDBEAM Blue Balista 467nm 5088mW Optical Corrected 8 Lenses System
- CDBEAM Verde Volcano 520nm 2600 mW Dual Diode Build With PBS, Corrective Optics, Variable Output Power And 10x Variable Magnification Linos Beam Expander
- Laserglow Hercules 600 532nm 650 mW With Adapted 8x Linos beam expander
- Jayrob Aurora Stainless Steel 18650 532nm 195mW Peak 181 mW Average
- Jayrob Aurora Stainless Steel 18650 635nm 284 mW Peak 271 mW Average
- Sci-Fi Lasers Arcane II 635nm Light Gray Metallic Powder Coated 675 mW Peak 645 mW Average With Three Elements Glass Lenses
- Jayzereer C-Mount Red Mag Build 650nm 1600 mW

- Aurora SH-032 Stainless Steel 160 Lumens
- Nitecore TN36UTvn Modded Ultra-Directive 1 MLux !!
- Fenix TK75vnQ Modded Ultra Flood & Throw 14.000 Lumens
- Fire-Foxes FF4 6000 Lumens

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