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Old 05-12-2017, 03:21 AM #17
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Default Re: lasers, reflection by water surface

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Old 05-12-2017, 11:15 AM #18
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Default Re: lasers, reflection by water surface

Encap ans steve001, thank you both for the suggestions and input. Laser safety and eye protection duly noted.

If cost was nearly a non-factor, which few products would you seek out for testing? I appreciate the low cost suggestions but I want to ensure that I'm not limiting your suggestions by cost.

The "spot" would need to be seen at a distance of up to 100' and in full sunlight. Also, the size of the spot reflected on the water surface can be as large as practically necessary. 3" to 3' would be perfectly acceptable.

As far as the angle of incidence is concerned, the source of the laser would be in close proximity to the viewer, within 1-10'. I have limited understanding/knowledge of angle of incidence as it pertains to optics but will educate myself on the concept today.

I was unable to get the altitude measurement using laser article to open; I'll give it a try from my computer later today.

Last edited by Ewelyte; 05-12-2017 at 11:20 AM.
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Old 05-12-2017, 12:24 PM #19
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Default Re: lasers, reflection by water surface

Quote:
Originally Posted by Ewelyte View Post
Encap ans steve001, thank you both for the suggestions and input. Laser safety and eye protection duly noted.

If cost was nearly a non-factor, which few products would you seek out for testing? I appreciate the low cost suggestions but I want to ensure that I'm not limiting your suggestions by cost.

The "spot" would need to be seen at a distance of up to 100' and in full sunlight. Also, the size of the spot reflected on the water surface can be as large as practically necessary. 3" to 3' would be perfectly acceptable.

As far as the angle of incidence is concerned, the source of the laser would be in close proximity to the viewer, within 1-10'. I have limited understanding/knowledge of angle of incidence as it pertains to optics but will educate myself on the concept today.

I was unable to get the altitude measurement using laser article to open; I'll give it a try from my computer later today.
Angle of incidence is not only aplicable to optics. This term applies to anything that hits a surface. For example: fire a gun at a hard surface at a 24 degree angle, the bullet when it hits and bounces off that surface will leave that surface at an angle of 24 degrees. It is a simple concept as you surely can see now with this one example.
Check Jet lasers. They offer lasers that can be run using a plug in power source.

Last edited by steve001; 05-12-2017 at 12:31 PM.
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