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Old 05-20-2013, 07:56 PM #1
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Default Osram PL450B Single mode build

Hey guys, another build to share. My first single mode too!

For this build:

Survival Lasers C6 host kit w/blue aluminum heat sink, pre-drilled pill and battery contact board -> Survival Lasers

Osram PL450B 450nm diode in copper module with leads and G2 lens -> DTR

Microboost driver -> Illumination supply

Focus adapter -> Mohgasm.com

My first attempt at this build was also the first diode and driver i killed.

The first go, i used a mohgasm test load to set the current on the microboost. I set the jumper for 280mA max range and turned the pot all the way, and got 266mA. Close enough, i then put it together. It worked beautifully, but when i metered it, it maxed out at 77mW. Since the data sheet states 80mW, and the thread here on these diodes have shown, something wasn't right.

I took it apart to access the driver, and with my LPM warmed up, did some (stupid) experiments. I used a small screwdiver with foil wrapped on it to jump to the next setting.
I had the pot all the way down, and slowly turned it up, metering as i went. I got it to hit 88mW like this, but i turned the pot a little, jumped, then it dimmed.. I tried setting the driver to the setting i was jumping, and killed it.

I tried a different driver, but it was LED'ed. I must have got unlucky with that diode.

So i got another diode and driver. This time i just set the jumper and pot for ~280mA and soldered it to the diode leads.



I used some tape to help prevent shorts in the driver.


All together.


I added GITD to the focus adapter.


Beams shots!





And an LPM vid.



Now that's what i was expecting. Actually, better than expected.

Thanks for looking, and have a nice day!
Attached Thumbnails
Osram PL450B Single mode build-pl450b-build2.jpg   Osram PL450B Single mode build-pl450b-build3.jpg   Osram PL450B Single mode build-pl450b-2.jpg   Osram PL450B Single mode build-pl450b-gitd2.jpg   Osram PL450B Single mode build-pl450b-beam2.jpg  

Osram PL450B Single mode build-pl450b-beam4.jpg   Osram PL450B Single mode build-450beam3.jpg   Osram PL450B Single mode build-pl450b-beam1.jpg  


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650nm copper module in C6 host - ~300mW (230mW) Build here
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Old 05-20-2013, 10:17 PM #2
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Default Re: Osram PL450B Single mode build

nice job. gotta love a single mode blue, it looks like a laser beam should.
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Old 05-20-2013, 10:47 PM #3
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Default Re: Osram PL450B Single mode build

Thanks. It is nice to see a blue dot instead of a bar.
Not to mention, have a blue laser that doesn't instantly start burning whatever I point it at..
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Old 05-20-2013, 11:13 PM #4
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Default Re: Osram PL450B Single mode build

I think it might be time for me to have a nice, lower power, but especially, single-mode blue. What size is that diode?

Edit: Nice build CL!
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Old 05-20-2013, 11:22 PM #5
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Default Re: Osram PL450B Single mode build

Very nice buld, I had my single mode 450 until I busted it last week. I shall get another one, they just look great. You sure got a lot of power out of that diode....
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Old 05-20-2013, 11:28 PM #6
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Default Re: Osram PL450B Single mode build

Thanks sba. I'm not exactly sure what size the diode is, but i think it's 3.8mm. I could be wrong. I got mine from DTR pressed in module w/leads. This thread is what really got me to want one of these.
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405nm SkyRay 12X S06J w/450mA microboost - 485mW :|: BDR-209 16X w/700mA microboost 2X in ZeroLasers SkyRay and Chunk hosts
445nm ZeroLaser 2x18650 host 9mm w/2.3A X-drive - 2.8W :|: Trustfire A8 9mm w/2.4A X-drive - "The Sentinel" ~3W
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589nm Dragonlasers Spartan 50mW
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650nm copper module in C6 host - ~300mW (230mW) Build here
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Old 05-20-2013, 11:32 PM #7
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Default Re: Osram PL450B Single mode build

Thanks norbyx, they are nice. Check the link I posted above, Blord made an awesome thread on these diodes.
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405nm SkyLaser PL 300-500 - ~500mW (523mW);| SkyLaser LP 5-80 - 5mW
405nm SkyRay 12X S06J w/450mA microboost - 485mW :|: BDR-209 16X w/700mA microboost 2X in ZeroLasers SkyRay and Chunk hosts
445nm ZeroLaser 2x18650 host 9mm w/2.3A X-drive - 2.8W :|: Trustfire A8 9mm w/2.4A X-drive - "The Sentinel" ~3W
445nm JetLasers PL-E - ~1.25W (1.32W) :|: 445nm 9mm w/2.4A X-drive Kryton "the Terminator" :|: Blord 501B build - 2.1W
450nm Osram PLTB450 in SL S4 host - 1.48W :|: 450nm Osram PL450B with ~280mA microboost in C6 host - 235mWBuild here
462nm 9mm diode in ZeroLasers chunk w/1.8A X-drive :|: M462 in sinner Cypreus-II w/microboost
473nm CNI lab 40mW
520nm NDG700 @1.8A in Cypreus-IIb - 1.04W :|: PL520 w/300mA x-boost in S4 host - 102mW Build here
532nm JetLasers Ti-B - 100mW (151mW)
589nm Dragonlasers Spartan 50mW
638nm Mits in SL C6 host custom build - 677mW :|: Opnext single mode 290mA x-drive in SL Steel C6 host w/ext. copper HS - 230mW
650nm copper module in C6 host - ~300mW (230mW) Build here
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Old 05-21-2013, 04:38 AM #8
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Default Re: Osram PL450B Single mode build

Sweet build! This really tempts me to build a single mode 450nm build of my own.
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Old 05-21-2013, 04:42 AM #9
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Default Re: Osram PL450B Single mode build

Thanks. It is sweet. My pictures are not the best, and are far from showing how it really looks.
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405nm SkyLaser PL 300-500 - ~500mW (523mW);| SkyLaser LP 5-80 - 5mW
405nm SkyRay 12X S06J w/450mA microboost - 485mW :|: BDR-209 16X w/700mA microboost 2X in ZeroLasers SkyRay and Chunk hosts
445nm ZeroLaser 2x18650 host 9mm w/2.3A X-drive - 2.8W :|: Trustfire A8 9mm w/2.4A X-drive - "The Sentinel" ~3W
445nm JetLasers PL-E - ~1.25W (1.32W) :|: 445nm 9mm w/2.4A X-drive Kryton "the Terminator" :|: Blord 501B build - 2.1W
450nm Osram PLTB450 in SL S4 host - 1.48W :|: 450nm Osram PL450B with ~280mA microboost in C6 host - 235mWBuild here
462nm 9mm diode in ZeroLasers chunk w/1.8A X-drive :|: M462 in sinner Cypreus-II w/microboost
473nm CNI lab 40mW
520nm NDG700 @1.8A in Cypreus-IIb - 1.04W :|: PL520 w/300mA x-boost in S4 host - 102mW Build here
532nm JetLasers Ti-B - 100mW (151mW)
589nm Dragonlasers Spartan 50mW
638nm Mits in SL C6 host custom build - 677mW :|: Opnext single mode 290mA x-drive in SL Steel C6 host w/ext. copper HS - 230mW
650nm copper module in C6 host - ~300mW (230mW) Build here
650nm module in custom host - ~300mW (224mW) "LiL Red Eye" Build Here

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Old 05-21-2013, 06:30 PM #10
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Default Re: Osram PL450B Single mode build

my osram pl450b in an aurora ss host is my favorite handheld. it's one of the few i held onto.
here it is osram pl450b in aurora ss host
i found the dot looked much better with the 3 element lens vs. a g series. the 250mW output is plenty for me.
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i have fond memories of owning
10 hene tubes 2 argon ion units and lots of diode and dpss lasers in these wavelengths:
405,445,450,458,473,488,532,543,594,612,632,635,650,685,780
I'm rebuilding my collection:
Skyray 405 12x
kryton groove gitd 445
B&W Tek 473 lab laser
JDSU 2214-40 multiline argon ion
Osram pl520 in an sh-032 host
Skylaser HL532-300
543 HeNe
632 HeNe x3
Opnext 638 single mode in c6 host
Rayfoss 650 150mW
Laserbee II Deluxe lpm w/ Peregrine
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Old 05-21-2013, 09:16 PM #11
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Default Re: Osram PL450B Single mode build

Quote:
Originally Posted by cheech226 View Post
my osram pl450b in an aurora ss host is my favorite handheld. it's one of the few i held onto.
here it is osram pl450b in aurora ss host
i found the dot looked much better with the 3 element lens vs. a g series. the 250mW output is plenty for me.
Ah, I remember reading that thread when this diode caught my attention. I too was not thrilled trying to set the jumper. I destroyed the first microboost trying to change the jumper. Thus is how we learn...

I also got a three element lens for the same reason.
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405nm SkyLaser PL 300-500 - ~500mW (523mW);| SkyLaser LP 5-80 - 5mW
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Old 05-24-2013, 07:57 PM #12
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Default Re: Osram PL450B Single mode build

I'm glad to hear that I am not the only one who prefers the 3 element lenses to the G-series when it comes to single mode diodes. There seems to be some debate as to which is the better lens on single modes...
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Old 05-24-2013, 08:32 PM #13
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Default Re: Osram PL450B Single mode build

Yeah, some hate the three element lens, but if your not worried about power, those or the acrylic are awesome. I have yet to see a single mode that NEEDS a G2. Most are low power so why make the beam look as good as possible?
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405nm SkyLaser PL 300-500 - ~500mW (523mW);| SkyLaser LP 5-80 - 5mW
405nm SkyRay 12X S06J w/450mA microboost - 485mW :|: BDR-209 16X w/700mA microboost 2X in ZeroLasers SkyRay and Chunk hosts
445nm ZeroLaser 2x18650 host 9mm w/2.3A X-drive - 2.8W :|: Trustfire A8 9mm w/2.4A X-drive - "The Sentinel" ~3W
445nm JetLasers PL-E - ~1.25W (1.32W) :|: 445nm 9mm w/2.4A X-drive Kryton "the Terminator" :|: Blord 501B build - 2.1W
450nm Osram PLTB450 in SL S4 host - 1.48W :|: 450nm Osram PL450B with ~280mA microboost in C6 host - 235mWBuild here
462nm 9mm diode in ZeroLasers chunk w/1.8A X-drive :|: M462 in sinner Cypreus-II w/microboost
473nm CNI lab 40mW
520nm NDG700 @1.8A in Cypreus-IIb - 1.04W :|: PL520 w/300mA x-boost in S4 host - 102mW Build here
532nm JetLasers Ti-B - 100mW (151mW)
589nm Dragonlasers Spartan 50mW
638nm Mits in SL C6 host custom build - 677mW :|: Opnext single mode 290mA x-drive in SL Steel C6 host w/ext. copper HS - 230mW
650nm copper module in C6 host - ~300mW (230mW) Build here
650nm module in custom host - ~300mW (224mW) "LiL Red Eye" Build Here

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Old 05-24-2013, 10:17 PM #14
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Default Re: Osram PL450B Single mode build

Unfortunately, I have to tie up my G-2 with my PL520 because my host's custom focus knob is too long to use an acrylic lens.

Does anyone know if I can put an acrylic lens in an extended barrel from DTR?
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405nm S06J, 675mW Krtyton Groove-Polished
The Bastard:445nm, 2W M-140 UF KF-T60
445nm, 9mm, 3.2W Kryton Groove-Polished
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650nm LPC-826, 360mW, MXDL Host Kit by Mrcrouse
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