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Old 04-02-2011, 08:47 PM #49
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Default Re: Max output for a 635 nm laser, while affordable?

Cool! I just asked a few people about how much per diode to my door ten would be. So if it's =/<$175 that would be nice!


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Old 04-02-2011, 08:55 PM #50
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Default Re: Max output for a 635 nm laser, while affordable?

Just a heads up - I already contacted the 3 north american distribs for Opnext, before we chatted here - so they may be seeing some duplication of inquiries, lol.
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Old 04-02-2011, 09:01 PM #51
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by rhd View Post
DJNY: The ML520G55 is really low power though - 20mw
What? NO

Here is a chart Glyn - Laser Dioden


The ML520G55 is a 180mW singlemode 638nm diode.
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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 04-02-2011, 09:02 PM #52
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Default Re: Max output for a 635 nm laser, while affordable?

Well, would you be okay with taking this to pm? And maybe telling me who was the cheapest ? If not it's fine, but it would be really cool! Haha
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Old 04-02-2011, 10:30 PM #53
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by jakeGT View Post
Well, would you be okay with taking this to pm? And maybe telling me who was the cheapest ? If not it's fine, but it would be really cool! Haha
Oh - none have replied yet (this was like Thursday or Friday). But I'll pass along any news
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Old 04-02-2011, 10:38 PM #54
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by DJNY View Post
The ML520G55 is a 180mW singlemode 638nm diode.
My apologies - you are right
That looks intriguing. Probably a response to the Opnext 170mw diode.

This is what I'd like:
Mitsubishi ML501P73 Red Laser Diode for Pico Projectors | Science Magazine News

And datasheet here:
http://www.mitsubishichips.com/Globa...01p73_1123.pdf

Apparently, while still multi-mode, its divergence is manageable. 445s are multimode, and we made them work. These ones are designed for projectors too, so I have a feeling their multimode might not be the horrible gap-filled reality of a lot of other 635nm multimode diodes. Plus, 500mW ??
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Old 04-03-2011, 06:42 AM #55
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by DJNY View Post
What? NO

Here is a chart Glyn - Laser Dioden


The ML520G55 is a 180mW singlemode 638nm diode.

These diodes look pretty sweet - would you guys be interested If I were to buy a pack and stock them at Radiant?
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Old 04-03-2011, 06:45 AM #56
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by MarioMaster View Post
These diodes look pretty sweet - would you guys be interested If I were to buy a pack and stock them at Radiant?
Pardon my French but...
HELL to the YES!
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Old 04-03-2011, 06:58 AM #57
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Default Re: Max output for a 635 nm laser, while affordable?

For sure!

You should comparison shop with the hl63133dg then as well. I think it has ever so slightly better beam specs (but very similar). I think it's 9,17 instead of 9,19
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Old 04-03-2011, 07:38 AM #58
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Default Re: Max output for a 635 nm laser, while affordable?

I say YES + PMd you

In the end I need someone to put this into a host

Wont push these to far + a host with a great cooling should be the home for these diodes.
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
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 04-03-2011, 07:52 AM #59
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Default Re: Max output for a 635 nm laser, while affordable?

Surely YES! I'm maybe gonna put one in a new style dilda host - DILDA DELUXE!

Also, I found a datasheet for the ML520G55.
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Old 04-03-2011, 07:57 AM #60
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Default Re: Max output for a 635 nm laser, while affordable?

Im gonna run mine on min.-current for sure! Im more interested in the color difference than in the power.
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
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 04-03-2011, 08:15 AM #61
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by Johnyz View Post
That one is multimode, we all heard terrible stories about the Mitsubishi .5W line generators. The HL63133DG is single mode, that's what makes it so interesting.
Are you sure ? ..... the datasheet don't say TEM00 or "single mode", it say only "TE mode oscillation" (whatever they means with this, it's not too much clear for me ..... mode change ? ..... )



EDIT: @ DJNY

I usually don't trust too much alibaba site, cause they carry very strange informations ..... as example, i don't read Chinese, but know the meaning of some of the characters, for have looked a lot of them searching for electronics .....

The page you linked say in the order box .....

数量(PCS) (order quantity) 1000 pcs or more (usually in multiple of 1000)

价格(元/PCS) (price ? ("money" for each piece, in China they use RMB as money) -> 1 RMB each piece (for 1000 pieces or more, ofcourse)

发货地: 广东 深圳 福田区 ..... ? items? "shipping" : ? east ? "shenzen", (bless ?) ? ?

单位重量: 10公斤 ..... not sure ..... can be something similar to " ? ? ? volume 10 ? ? (Kg ?)"

More of this, i don't understand, sorry ..... but, seriously, 1 RMB each piece ? ..... ok, i know it's 1000 pieces minimum, and renminbi (Chinese yuan) is not so high value, but this is something like 0.15 $ each ..... there is an error somewhere, i suppose .....
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Old 04-03-2011, 08:24 AM #62
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Default Re: Max output for a 635 nm laser, while affordable?

100% sure
Check it out on this page (says single mode)
Thorlabs.com - Visible Laser Diodes: Center Wavelengths from 375 nm to 785 nm
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Old 04-03-2011, 08:27 AM #63
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Default Re: Max output for a 635 nm laser, while affordable?

Quote:
Originally Posted by HIMNL9 View Post
Are you sure ? ..... the datasheet don't say TEM00 or "single mode", it say only "TE mode oscillation" (whatever they means with this, it's not too much clear for me ..... mode change ? ..... )
Ahem,
Quote:
Multiple traverse mode
Also, look at the divergences:
HL6388MG (multimode): parallel 11 perpendicular 40
ML520G55 (singlemode): parallel 9 perpendicular 19
HL63133DG (singlemode): parallel 9 perpendicular 17
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Fenzir: So why is it that we want these kind of diodes? I don't understand.
anselm: Because they emit coherent light, that's why....
405nm 20mW DealExtreme pointer
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532nm 400mW DinoDirect Firedragon III "Certified Power Guaranteed" 500mW peak!

632nm 8mW Tesla 30 year old HeNe made in Czechoslovakia
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Old 04-03-2011, 08:42 AM #64
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Default Re: Max output for a 635 nm laser, while affordable?

180mW of ML520G55 is only 1% brighter than 170mW of HL63133DG given the single nm of typical wavelength difference.
Beam: (638nm 180mw) vs. (637nm 170mw)

Knowing that, I would pick the diode to stock or GB based entirely on cost (and perhaps consider the slightly better divergence of the Opnext)
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SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
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