11 Aug
2005
11 Aug
'05
9:36 a.m.
On Thursday 11 August 2005 14:36, Dinesh Joshi wrote:
*snip*
hundred meters, whereas optic fibres are known to be efficient over distances of 100s of kilometers. :)
WITH a coherent source of light....Thats the keyword.
Not just that, the source has to be monochromatic (actinic) and high intensity for a fibre. Whereas for getting a natural light effect you must have spatial complex light source (non coherent, multiwavelength, scattered). Which is why no matter how you illuminate a place with artificial light, your eyes are able to easily know it's not natural.
rgds jtd