Old 02-09-2016, 06:04 PM #1
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Default DOWN LASER OPTICS Please help

Hi!
I am looking for how build down laser
It must working like popelscan with moving mirrors ??
I want buliding something like that line must be have 3 - 4 inch widh
What do I need to bulidnig something with green laser point.
this film shows what i need build
https://www.youtube.com/watch?v=v8GzfyzNJQ8

Oh laser must be as low as ground. This film show this.

Sorry for my english. Thanks very much for any help.
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Old 02-09-2016, 07:10 PM #2
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Default Re: DOWN LASER OPTICS Please help

What's your budget? Are you intending to use it for the same application.

Also - they are using a modified laserscope (Going off of the video), a medical laser. It's not something you mess around with if you've never used lasers. Output power on those is up to 50W of 532nm, Q-switched. VERY dangerous for eyes (And skin, anything that can burn...), I'm not even sure their use of it is a good idea from a safety perspective. That said - they could be running CW at a lower power - still, low power on a scope is still several watts. Not to mention the high-voltage, water cooling and weight concerns that come along with a scope.
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Old 02-09-2016, 08:27 PM #3
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Default Re: DOWN LASER OPTICS Please help

This is a 6-figure investment. Can you afford that? You might bring that down to low 5-figures or high 4-figures if you buy used and have enough experience to get it running and develop the optical system. The power cord alone is going to be $200. This is not even a project for most of the experienced laser users, let alone someone new to the field.
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Old 02-09-2016, 08:49 PM #4
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Default Re: DOWN LASER OPTICS Please help

Here's the manufacturer: first down laser

To build something like that is definitely beyond the abilities of most on here, myself included.

Go to 3:23;

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Old 02-10-2016, 05:08 PM #5
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Default Re: DOWN LASER OPTICS Please help

Hi I need build only optics system with
- no gps
- no line up signal eye
- no micron fiber optics
Only this
I know it must be laser with line optics 1 to max 8 degree
But how doing 3 - 4 inch width

This laser must show line on the ground like this picture.

Last edited by bartek345; 02-10-2016 at 05:09 PM.
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Old 02-10-2016, 05:12 PM #6
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Default Re: DOWN LASER OPTICS Please help

Like that
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Old 02-10-2016, 05:37 PM #7
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Default Re: DOWN LASER OPTICS Please help

Do you have any experience with lasers at all?

Where are you located?

What is the purpose? How will it be used?

If you want a laser just to draw straight lines on a field, and can do it at night, that really doesn't take much. It would be easier to buy rather than build.

As a test you can buy a cheap $15 green laserpointer off of ebay, and just lay on the field at night.
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Old 02-10-2016, 05:59 PM #8
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Default Re: DOWN LASER OPTICS Please help

Yes I am have some experience
I am buy 50 pcs. laser pointers and line plastic lenses to test and building some like that.
But the line its to narrow from the one laser pointer.
I am from Poland.
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Old 02-10-2016, 06:27 PM #9
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Default Re: DOWN LASER OPTICS Please help

A lab laser and a beam expander would probably do what you're looking for.

Goldenstar laser 1.5W 532nm Lab Laser

Jetlasers B.E. adapter modifications for the PL-E series

You probably don't need anywhere near that much power, and would also need to to make a custom beam expander, but it's doable.

Personally I would take the easy/cheap way out, use two lasers instead of one, and simply attach them together, correcting to make sure the two beams themselves are parallel. Handheld if they only need to be on for a short time, labbies if they need to be on for a while.
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Old 02-10-2016, 10:59 PM #10
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Default Re: DOWN LASER OPTICS Please help

50 laser pointers won't be enough. A single 1.5W laser is also not nearly enough. A stadium it lit very, very well. Standard line lenses do not work because of the angle you will project them.
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Old 02-11-2016, 01:11 AM #11
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Default Re: DOWN LASER OPTICS Please help

I'm taking a wild guess, that the goal is to simply to produce an even line to lay down another mark following it. If that's the case, stadium/field lights could be turned down for the duration.

@bartek345 - What are you trying to do? To do with this laser device?
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