Old 03-08-2017, 07:43 AM #1
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Cool 1W 650nm C-Mount Laser

1W 650nm C-Mount Laser
The laser is amazing i could even more focus it in or out to make the square bigger just the top ring got tight tiny bit




Images by order.
520nm NDG7475 /405nm 16X 405nm /532nm 311mW /650nm C-Mount /638nm Oclaro
Attached Thumbnails
1W 650nm C-Mount Laser-img_2795.jpg   1W 650nm C-Mount Laser-img_2796.jpg   1W 650nm C-Mount Laser-img_2799.jpg  


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Last edited by Alien Laser; 09-28-2017 at 10:12 PM. Reason: Corrected from 638nm to 650nm
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Old 03-08-2017, 07:53 AM #2
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Default Re: 1W 638nm C-Mount Laser

Very nice, I probably should have jumped on that when I had a chance.
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Old 03-08-2017, 08:17 AM #3
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Default Re: 1W 638nm C-Mount Laser

Very nice, can you tell if the C-mount has a FAC lens on it?
It makes a good looking beam.
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Old 03-08-2017, 01:02 PM #4
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Default Re: 1W 638nm C-Mount Laser

Quote:
Originally Posted by Alien Laser View Post
1W 638nm C-Mount Laser
The laser is amazing i could even more focus it in or out to make the square bigger just the top ring got tight tiny bit




Images by order.
520nm NDG7475 /405nm 16X 405nm /532nm 311mW /638nm C-Mount /638nm Oclaro
Interesting video, was fun to watch, very nice unit for sharing
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Old 03-08-2017, 11:03 PM #5
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Default Re: 1W 638nm C-Mount Laser

Interesting. I've seen these C mount diodes in powers up to 5 watts for sale for a number of years now. It looks like whoever built this one did a nice job making it safe and getting the divergence down quite a lot. Thank you for showing it.
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Old 03-08-2017, 11:55 PM #6
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Default Re: 1W 638nm C-Mount Laser

Okay, so would this laser hav FAC on it?

Also, if a c-mount has FAC does it need additional focusing? Or would it be okay without?
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Old 03-09-2017, 12:04 AM #7
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Default Re: 1W 638nm C-Mount Laser

Quote:
Originally Posted by Lildutchboy7 View Post
Okay, so would this laser hav FAC on it?

Also, if a c-mount has FAC does it need additional focusing? Or would it be okay without?

It would need additional optics, a FAC lens only focuses one axis, the fast axis. FAC stands for "Fast Axis Collimating".
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Old 03-09-2017, 12:05 AM #8
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Default Re: 1W 638nm C-Mount Laser

Good job on the video, interesting to see that kinda diode in a pointer!
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Old 03-09-2017, 12:18 AM #9
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Default Re: 1W 638nm C-Mount Laser

Quote:
Originally Posted by diachi View Post
It would need additional optics, a FAC lens only focuses one axis, the fast axis. FAC stands for "Fast Axis Collimating".
Ah okay thankyou! This will be good for future projects
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Old 03-09-2017, 01:44 AM #10
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Default Re: 1W 638nm C-Mount Laser

That unit is BOB Laser Co LTD - Model: BOB Laser BRP-0018 (650nm, 1000mW, 1x26650)

I've been hunting BOB BRP-models for reasonable price but I haven't found any reasonable except that Pman sold. I'm Pissed off a bit for that I didnt notice that Pman update sooner..

I've found this Ukrainian reseller but don't know are they legit

BOB Laser BRP-0018 (650nm, 1000mW, 1x26650) >>

BOB Laser units >>

But I'm not willing to pay 400 for chinease "quality" -Jetlasers & others are for that.



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Old 03-09-2017, 02:06 AM #11
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Default Re: 1W 638nm C-Mount Laser

Only 462 USD.
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Old 03-09-2017, 02:09 AM #12
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Default Re: 1W 638nm C-Mount Laser

Couldn't help but notice this laser has been discontinued. At least at BOB laser. It is getting more difficult to find these 650nm C mount diodes anymore.
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Old 03-09-2017, 02:11 AM #13
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Default Re: 1W 638nm C-Mount Laser

That web site shows the wavelength to be 650nm, if so, a 700mw 638nm laser diode isn't very expensive and ~25% brighter to the eye than a 650nm 1 watt laser. Is your pointer 650nm or 638? Regardless, I like that host, and for what you paid, great deal, I would buy it for that in a heart beat.

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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 03-09-2017 at 03:14 AM. Reason: Just realised the thread subject line said 638nm. Had to reframe my response.
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Old 03-09-2017, 03:35 AM #14
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Question Re: 1W 638nm C-Mount Laser

It could be correct its a BRP-0018 i believe its 650nm but hard to tell ( unless the made other versions ) since the laser shows up more yellow its like yellow red when i focus it and make the dot it shows up as 80%yellow and 20%red and when i focus it as big square its 99%red and 1%yellow let me check again,
as for the FAC lens i have no idea i try looking i only see a lens and the C laser inside, its very easy changing the C-mount the is only 1 wire like a connection to pull out pull in,
as for the driver i checked the was a tiny writing on the driver some strange number ****-4.71A i believe its max 4A don't take my word, its got a pot no idea what the drier is set i will try to take some pics its hard my phone cant light up the image and its bury i will try to take some
as for the laser its very heavy up front inside its a huge heatsink
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Last edited by Alien Laser; 03-09-2017 at 03:48 AM.
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Old 03-09-2017, 03:42 AM #15
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Default Re: 1W 638nm C-Mount Laser

Oh, that driver, they are known to fail a lot, better sell that host to me now

I think the intensity of the red is over saturating your green color cones to appear that way, another reason to sell it to me for 150.00
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 03-09-2017 at 03:44 AM.
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Old 03-09-2017, 03:49 AM #16
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Lightbulb Re: 1W 638nm C-Mount Laser

lol hahaha ^
i have a 638nm i will compare it to this cool laser alaskan
ok did a test i let the pro's make the decision what nm this laser is
Attached Thumbnails
1W 650nm C-Mount Laser-img_2843.jpg   1W 650nm C-Mount Laser-img_2845.jpg   1W 650nm C-Mount Laser-img_2846.jpg  
__________________
People Ask
Why wouldn't you point a laser at the sky?  - > I Say
Because the death star that is floating above earth secretly... may think of it as a challenge and shoot their laser at us in return.... Do you really want that?
_
This is what happen if you shine the laser at the ( UFO ) it may shine back as
( Alien Laser )

Last edited by Alien Laser; 03-09-2017 at 04:31 AM.
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