High efficiency ejection of light from optical wave guide, by ho

Details High efficiency ejection of light from optical wave guide, by ho High efficiency ejection of light from optical wave guide, by ho

1996-05-17

1998-02-24

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Input/output coupler

385 12, 385 38, 385129, 385901, G02B 634

Patent

active

057217955

ABSTRACT:
Radiant electromagnetic energy transmitting apparatus, comprising an elongated body consisting of electromagnetic energy transmitting material, the energy injected into the body to travel therein and to be trapped during the travel by total internal reflecting off walls defined by the body, and there being at least one site within the body having variegated surface relief acting to scatter incident radiant energy for ejection from the body as rays defining a selected solid angle.

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