Modulator for a light beam

Details Modulator for a light beam Modulator for a light beam

1993-11-18

1995-09-12

Hellner, Mark

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359291, G02F 119

Patent

active

054502314

ABSTRACT:
A light modulator for modulating a light beam which emerges in the shape of a cone from an optical fiber. The modulator has a mirror which can be brought into at least two different states. In the one of these states, the light diverges in such a way that only a small portion returns back into the fiber. In the other of these states, however, more of the light returns back into the fiber. In one embodiment, the mirror is embodied as an etched semiconductor foil and is deformed by the force of a variable electrostatic field between the foil and an electrode which has been placed on a substrate.

REFERENCES:
patent: 2896507 (1959-07-01), Mast et al.
patent: 4289379 (1981-09-01), Michelet
patent: 4298247 (1981-11-01), Michelet et al.
patent: 4675500 (1987-06-01), Kunz et al.
patent: 5159498 (1992-10-01), Hubbard, Jr.

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