Old 01-12-2016, 01:55 AM #1
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Default Reccomend me a laser

Hello, all. I'm going to be building a laser-guided yoga ball launcher.
For that, I plan on using a web camera and a monitor to help guide the user.
The laser's dot needs to be visible under good lighting (not outside), but must be less than 2mW, for safety.
Because we're using a camera, the laser can be IR if need be.
Divergence isn't an issue. Anything less than 20mrad will do nicely.
Duty cycle must be 6 hours+ with proper cooling.
Must weigh less than 2 lbs.
Target operating voltage has to be between 0 and 5.
I was thinking a 2mW 535, but i'm afraid that the IR leak will obstruct the camera's view.


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Old 01-12-2016, 06:17 AM #2
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Default Re: Reccomend me a laser

A 5mW 650nm should work fine for your application. In a light room, it's still plenty visible and most of the lower powered 650nm diodes have virtually no duty cycle at all. Although it is a little more then what your are requesting(2mW) 5mW is still safe. Do take into account that laserbtb's "5mW" tend to be a few mW's stronger so maybe 8mW-10mW's which if being careful, is fine

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Old 01-12-2016, 03:36 PM #3
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Default Re: Reccomend me a laser

Quote:
Originally Posted by Hap View Post
A 5mW 650nm should work fine for your application. In a light room, it's still plenty visible and most of the lower powered 650nm diodes have virtually no duty cycle at all. Although it is a little more then what your are requesting(2mW) 5mW is still safe. Do take into account that laserbtb's "5mW" tend to be a few mW's stronger so maybe 8mW-10mW's which if being careful, is fine

LP 635nm 660nm 5-130

-Alex
Where do i get appropriate warning labels for this?
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Old 01-12-2016, 04:03 PM #4
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Default Re: Reccomend me a laser

Quote:
Originally Posted by tuskiomi View Post
Where do i get appropriate warning labels for this?
Do you mean danger labels for the laser? It should come with the laser, stuck near the aperture

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Old 01-12-2016, 06:43 PM #5
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Default Re: Reccomend me a laser

Quote:
Originally Posted by Hap View Post
Do you mean danger labels for the laser? It should come with the laser, stuck near the aperture

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If you would like to purchase it separately however, survival laser's has got them for cheap and they're universal!

Universal Warning Label
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