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Old 12-03-2011, 08:47 PM #33
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Default Re: 59$ 50mW 450nm Single Mode Pen

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Originally Posted by Woodofcville View Post
So if i wanted just 5mW of 445nm I'd have to go pay 279$ at LG?
No, this laser is very easy to dissasemly and Pot mod it


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Old 12-03-2011, 08:58 PM #34
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Default Re: 59$ 50mW 450nm Single Mode Pen

Dot at ~45feet:
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Old 12-03-2011, 09:03 PM #35
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Default Re: 59$ 50mW 450nm Single Mode Pen

Ohh. I see.
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Old 12-03-2011, 10:43 PM #36
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Default Re: 59$ 50mW 450nm Single Mode Pen

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Originally Posted by eytyxhs View Post
No, this laser is very easy to dissasemly and Pot mod it
Have you done it yourself or is that pure speculation?
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Old 12-03-2011, 11:33 PM #37
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Default Re: 59$ 50mW 450nm Single Mode Pen

Just got one of these, too. Definitely a bit more blue than the 445s, will spectro it later, I'm guessing 451-452, compared to other known units I have. 47mW says Kenometer and Radiant.
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3392nm:REO LHIP HeNe 2mW ∙ 980nm:OLIKE 155mW

808nm:OLIKE 200mW ∙ JETL PLC 600mW(682pk)
780nm:OLIKE 120mW
685nm:18650 47mW
671nm:PGL3M 281mW DPSS ∙ PGL3C 278mW
655nm:LOC 254mW ∙ OLIKE 221mW ∙ Yob 320mW
638nm:Sanyo 40mW ∙ HL63133 200mW ∙ PGL3C 463mWpk ∙ ML520 700mW
633nm:JDS1145 HeNe 28mW ∙ JDS1145 HeNe 26mW
612nm:MG 05LOR151 HeNe 3mW ∙ REO LSTP 3mW
609nm:REO LHOR 1mW
604nm:REO LSTP 2mW
594nm:Rigel 3mW ∙ LG PGL3C 15mWpk ∙ Lasos 7512 3mW ∙ CNI MGL3 58mWpk
589nm:CNI PGL3C 106mW ∙ CNI PGL3C 85mW
561nm:CNI PGL3C 30mW(41pk)
556nm:CNI PGL3C 20mW(22pk)
544nm:JDS1675P HeNe 2mW ∙ REO LHGR 2mW ∙ Lasos 7786 2mW
532nm:PGL3C 150mW(180pk) ∙ PGL3C 578mWpk ∙ PLC 440mWpk
515nm:JDS 221420GL ArI 30mW
510nm:52mW DG#2 ∙ 50mW 26650 DG
488nm:Nlx DPSS 7mW ∙ JDS 2214 ArI 40mW ∙ JDS FCD488 DPSS 25mW
ML:MG 65A106025 ArI ML 115mW
476/480nm:Nichia Diode 28mW
473nm:PGL3A 45mW(80pk) ∙ PGL3C 110mWpk ∙ PGL3C 95mWpk ∙ RPLB-25 60mWpk
465nm:DTR NDB7676 2.03w
458nm:JDS 2214VL ArI 8mW ∙ JDS 2214VL ArI 12mW ∙ RHD Diode 1.7W
452nm:Osram SM 47mW
445nm:Yob 1410mW ∙ Polaris 156mW ∙ PGL3C 1200mW ∙ DTR-EHG 32650 2136mW
405nm:Yob 630mW ∙ Qfox 750mW ∙ JETL PLC 780mW
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Old 12-04-2011, 08:25 AM #38
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Default Re: 59$ 50mW 450nm Single Mode Pen

Quote:
Originally Posted by aryntha View Post
Just got one of these, too. Definitely a bit more blue than the 445s, will spectro it later, I'm guessing 451-452, compared to other known units I have. 47mW says Kenometer and Radiant.
How is it next to the blue I sent you?
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445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

Above lasers measured with an Ophir nospin LPM


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Old 12-04-2011, 08:29 AM #39
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Default Re: 59$ 50mW 450nm Single Mode Pen

It's weird, Phi... Really technically there's only one singlemode 450. But the one you sent me is a little darker and obviously only 15mW or so... So I'm really wondering if maybe there *is* more than one singlemode blue?

The one I got from you is certainly singlemode too though.
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3392nm:REO LHIP HeNe 2mW ∙ 980nm:OLIKE 155mW

808nm:OLIKE 200mW ∙ JETL PLC 600mW(682pk)
780nm:OLIKE 120mW
685nm:18650 47mW
671nm:PGL3M 281mW DPSS ∙ PGL3C 278mW
655nm:LOC 254mW ∙ OLIKE 221mW ∙ Yob 320mW
638nm:Sanyo 40mW ∙ HL63133 200mW ∙ PGL3C 463mWpk ∙ ML520 700mW
633nm:JDS1145 HeNe 28mW ∙ JDS1145 HeNe 26mW
612nm:MG 05LOR151 HeNe 3mW ∙ REO LSTP 3mW
609nm:REO LHOR 1mW
604nm:REO LSTP 2mW
594nm:Rigel 3mW ∙ LG PGL3C 15mWpk ∙ Lasos 7512 3mW ∙ CNI MGL3 58mWpk
589nm:CNI PGL3C 106mW ∙ CNI PGL3C 85mW
561nm:CNI PGL3C 30mW(41pk)
556nm:CNI PGL3C 20mW(22pk)
544nm:JDS1675P HeNe 2mW ∙ REO LHGR 2mW ∙ Lasos 7786 2mW
532nm:PGL3C 150mW(180pk) ∙ PGL3C 578mWpk ∙ PLC 440mWpk
515nm:JDS 221420GL ArI 30mW
510nm:52mW DG#2 ∙ 50mW 26650 DG
488nm:Nlx DPSS 7mW ∙ JDS 2214 ArI 40mW ∙ JDS FCD488 DPSS 25mW
ML:MG 65A106025 ArI ML 115mW
476/480nm:Nichia Diode 28mW
473nm:PGL3A 45mW(80pk) ∙ PGL3C 110mWpk ∙ PGL3C 95mWpk ∙ RPLB-25 60mWpk
465nm:DTR NDB7676 2.03w
458nm:JDS 2214VL ArI 8mW ∙ JDS 2214VL ArI 12mW ∙ RHD Diode 1.7W
452nm:Osram SM 47mW
445nm:Yob 1410mW ∙ Polaris 156mW ∙ PGL3C 1200mW ∙ DTR-EHG 32650 2136mW
405nm:Yob 630mW ∙ Qfox 750mW ∙ JETL PLC 780mW
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Old 12-04-2011, 10:31 PM #40
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Default Re: 59$ 50mW 450nm Single Mode Pen

Well there are multiple SM450s. OPNEXT has at least one. OSRAM has at least two. Who knows who else makes them. But every datasheet i've seen says +/-10nm.. so it's highly possible for one to be close to 440nm and another to be close to 460nm.

I'll put the three of these pens I have on the way on the spectrometer when I get them.
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Old 12-04-2011, 11:49 PM #41
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Default Re: 59$ 50mW 450nm Single Mode Pen

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Originally Posted by qumefox View Post
Well there are multiple SM450s. OPNEXT has at least one. OSRAM has at least two. Who knows who else makes them. But every datasheet i've seen says +/-10nm.. so it's highly possible for one to be close to 440nm and another to be close to 460nm.

I'll put the three of these pens I have on the way on the spectrometer when I get them.
I'm not convinced that the OPNEXTs are out in the wild yet.

Back in July, Avnet told me that they'd have the HL45023TG by October, for around the $200 price point (It's Avnet, not China, so the price sounded legit). But, apparently, they haven't actually received it yet, because as far as I can tell (as of December), it's not in their inventory.
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Last edited by rhd; 12-04-2011 at 11:49 PM.
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Old 01-06-2012, 03:39 AM #42
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Default Re: 59$ 50mW 450nm Single Mode Pen

mini B - 445nm 50mW Pocket Low Power Blue Laser Pointer

Is this laser the same as Laserland's one? I know it says 445nm, but is there really that big of a difference? I'd really like to have a low power blue laser, but I really hate the pen host. Do you think Lazerer's laser is worth the money?
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Old 01-06-2012, 04:56 AM #43
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Default Re: 59$ 50mW 450nm Single Mode Pen

Ooh, ouch. What's with the thread jack?
-Rep

If you look at the picture they are totally different lasers.
Very few members have any of the new "low power" 445nm lasers...
It's worth the money if you want it enough.
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Old 01-06-2012, 05:17 AM #44
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Default Re: 59$ 50mW 450nm Single Mode Pen

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Ooh, ouch. What's with the thread jack?
-Rep

If you look at the picture they are totally different lasers.
Very few members have any of the new "low power" 445nm lasers...
It's worth the money if you want it enough.
I'm with ASH. I won't neg rep you here, but seriously - it's obviously not the same laser. If you just looked at the photos, they're clearly different hosts. Even if you were just talking about whether it was the same diode, if you just read this thread, you'd see info from members discussing the various SM450s that are out on the market.

If you don't like the host, build your own. The diodes are $50, which is basically the same price as a multi-mode 445. It's no more difficult of a build. In fact, it's basically more similar to a PHR build (similar Vf, similar Current), but you get blue not violet. There are a TON of PHR builds and tutorials on this forum. Look one up, drop $50 on the SM450 diode of your choice, and do the build yourself in whatever host you want.
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Old 01-06-2012, 06:56 AM #45
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Default Re: 59$ 50mW 450nm Single Mode Pen

I'm very sorry about bringing up an old thread, I guess I didn't look at the date. It won't happen again! I will definitely attempt a build, I didn't know diodes were cheap. Thanks for your help!
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Old 01-06-2012, 06:28 PM #46
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Default Re: 59$ 50mW 450nm Single Mode Pen

One key difference though is that these single mode 450nm diodes are 3.8mm instead of 5.6mm. I believe the Vf is also even higher than that of 405's, but not as high as the 510's.
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Old 01-06-2012, 06:41 PM #47
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Default Re: 59$ 50mW 450nm Single Mode Pen

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Originally Posted by qumefox View Post
One key difference though is that these single mode 450nm diodes are 3.8mm instead of 5.6mm. I believe the Vf is also even higher than that of 405's, but not as high as the 510's.
I've found that their Vf is much much closer to a 405, if not almost exactly the same. I think that a beginner to the forum could try a 445 SM build using a 405 "tutorial" or "build guide" and basically come out well. There is a wealth of PHR info here, and I think if you followed something like this:
DIY 100% PHR-803T Violet Laser Tutorial
there wouldn't be much that you'd need to change to get a good SM 445 build out of the process.
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CURRENT WAVELENGTHS:
405|441|450|467|473|495|505|520|532|556|PGLRG|589|594|632|638|660


SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
- Info release from Laserglow - Default Canadian restrictions on portable lasers (link)
- The Necessity of Safety Goggles (link)

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Old 01-13-2012, 12:29 AM #48
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Default Re: 59$ 50mW 450nm Single Mode Pen

I just got one of these today and am very pleased. It looks like every other cheapie pointer I have gotten so far (except the chrome greenie I got from Clif) and it is bright, with a nice precise point and a very visible beam. Money well spent with quick shipping actually.

Tom
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