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Which light source can travel 10 meters or more and return to the source point?

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ammuvinu

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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?
 

Re: LIGHT DISTANCE

How do you imagine comes back precisely to the source point.
Only a corner reflector can achieve this.
 

LIGHT DISTANCE

I think a small Laser Pointer can do the trick. I tried one with a my Laser Alarm and it works fine with me.
 

Re: LIGHT DISTANCE

ammuvinu said:
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
 

Re: LIGHT DISTANCE

The mirror has to be a corner reflector respectively a retroreflective material (Scotchlite) surface.
 

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