Title :
Free-carrier absorption for 10 µ modulation
Author :
de Cremoux, B. ; Leiba, E.
Abstract :
This letter describes an infrared modulator making use of free-carrier absorption in germanium. The modulator, useful in the spectral band between 9 µ and 30 µ, achieves a good degree of modulation up to the megahertz range, with a control power of one watt.
Keywords :
Absorption; Diodes; Germanium; Insertion loss; Laser beams; Lasers and electrooptics; Lenses; Optical modulation; Optical surface waves; Power lasers;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1969.7364
