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ammuvinu
Joined: 29 Jun 2008
Posts: 5
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 17 Aug 2008 18:47 LIGHT DISTANCE |
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| which light source or any other cheap source can travel undisturbed for a distance of 10 meter or more and comes back precisely to the source point?
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FvM
Joined: 22 Jan 2008
Posts: 2635
Helped: 431
Location: Bochum, Germany
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| 17 Aug 2008 21:30 Re: LIGHT DISTANCE |
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How do you imagine comes back precisely to the source point.
Only a corner reflector can achieve this.
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seadolphine2000
Joined: 12 Apr 2005
Posts: 563
Helped: 31
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| 19 Aug 2008 16:37 LIGHT DISTANCE |
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| I think a small Laser Pointer can do the trick. I tried one with a my Laser Alarm and it works fine with me.
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AdvaRes
Joined: 14 Feb 2008
Posts: 623
Helped: 33
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| 19 Aug 2008 16:46 Re: LIGHT DISTANCE |
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| ammuvinu wrote: |
| which light source or any other cheap source can travel undisturbed for a distance of 10 meter or more and comes back precisely to the source point? |
Yeah use a lazer pointer and a mirror to reflect the lazer beam. This solution is very efficient and can be used with disdances of arout 60 meters. for wich application will use it ?
Remember ! Lazer is harmfull for eyes
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FvM
Joined: 22 Jan 2008
Posts: 2635
Helped: 431
Location: Bochum, Germany
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| 19 Aug 2008 21:13 Re: LIGHT DISTANCE |
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| The mirror has to be a corner reflector respectively a retroreflective material (Scotchlite) surface.
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