Optoelectronics, Optics, Lights and Lasers
May 21, 2012, 11:05:55 AM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News:
 
   Home   Help Search Login Register  
Pages: [1]
  Print  
Author Topic: Can light 'reflect' off other light(s)?  (Read 264 times)
The_One
Newbie
*
Posts: 3


View Profile
« on: July 18, 2011, 04:47:00 PM »

I had an idea for a holographic projector where a U shaped device filled with L.E.D's that have been modified to output light like a laser.

An individual dot/pixle is created by reflecting three beams or rather where the 'laser beams' intersect

Is this actually possible? That you could see a hovering dot if three beams of light hit each other?

Like a 'laser' wavelength not normal light
Logged
YahooUser
Newbie
*
Posts: 7


View Profile
« Reply #1 on: July 18, 2011, 04:59:08 PM »

No.  The scattering cross section of electromagnetic waves is essentially 0: take a red beam and a green beam, make them intersect.  What do you see coming out? A red beam and a blue beam => they did not interact (scatter) with each other),
Logged
A_square_E
Newbie
*
Posts: 4


View Profile
« Reply #2 on: July 18, 2011, 05:06:40 PM »

If you look at a simple mechanis of reflection which is that a light wave falls on a mirrored surface, induces oscillations onto its electrons,  which in turn, will radiate light back ... and then there is the incindence angle = reflection angle

however a light wave doesnt have any electrons to giv its energy too, so light might not be able to reflect light!

however, i could be wrong!
Logged
Pages: [1]
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.13 | SMF © 2006-2011, Simple Machines LLC | Privacy Policy Valid XHTML 1.0! Valid CSS!