Effects of deviation on every day light .....The value of the deviation, discovered by Bradley, is small when the speed of a mobile is small as compared to the light speed. But when you change this ratio towards 1 (v=c), you can observe strange optical phenomenons that SR did not accept because of a pursueing ray. These following examples will convince you the other way.For this purpose, I use a graphic software called Cabri Géomètre II Plus that you can download (for a free version) at www.cabri.com. Where to download Cabri Géomètre II Plus ? Once installed, download the following fig files (the files with extension fig are files created under Cabri software) :
The deviation (first observed by Bradley) is a relativistic effect on the path of a light ray that goes across a mobile. This document shows how to represent this deviation with Cabri Géomètre. You can change the mobile speed thus the ratio v/c or the source position relative to the target to see the variation of the deviation.
Let's see how the deviation behaves for different values of mobile speed.
How does a light beam reflect in a spherical mobile ? Einstein stated that the ray will go always through the center. In my opinion, the relativistic deviation will make the beam to follow different paths in relation with the mobile speed or the position of the source.
Effect on shadows.
Effect on a convergent lens
Variation of the focus and optical aberration
Trajectory of a photon emitted from a mobile source
Works on relativistic deviation
Effects on a parabolic dish
Multiple reflections between 2 parallel plane mirrors
Deviation of a light beam
Michelson-Morley : Round trip timing
Effects a converging source
Effects on a radiating source
Effects on propagation time with an converging light source
Effects on propagation time with an spreading out light source
Effects on images in a dark room
Effects on reflection in a un mirror
Interaction between particles
Let's have a walk in a relative star field.
How light propagation
What does an observer see when he moves as fast as the light ? You have heard about light cone, here comes the dark cone.
Reflexion in a mirror : is Snell's law still valid at relativistic speeds ? .
Sagnac effect : 2 lightrays emitted both ways on a circular mobile in rotation do not reach the destination at the same time after a round trip.
Reflexion again .... Where do lightrays impact after reflexion ?
In this example, you can see the effect of deviation on a beam of light emitted by a relativistic electron. Updated 08/23/2005 |
Do you still agree with Einstein?
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Drop me your remarks | © JeanDavid54, 2001 |