Device and method for deflecting a laser beam by means of a sing

Details Device and method for deflecting a laser beam by means of a sing Device and method for deflecting a laser beam by means of a sing

1997-02-10

1998-05-19

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359199, 359213, 359214, 359225, 359872, G02B 2608

Patent

active

057543275

ABSTRACT:
The device for deflecting a laser beam comprises a mirror (1) and means for orientating the mirror according to a predetermined equation for the controlled deflection of the laser beam (F). The mirror (1) is supported so that it can oscillate about two axes and the means for orientating the mirror comprise a plurality of electromagnets (11A, 11B, 15; 13A, 13B, 17) supplied with currents which are controlled and variable in time (I.sub.15, I.sub.17) to exert magnetic forces on said mirror (3).

REFERENCES:
patent: 4157861 (1979-06-01), Davies
patent: 5239361 (1993-08-01), Burch
patent: 5519198 (1996-05-01), Plesko
patent: 5557444 (1996-09-01), Melville et al.
patent: 5668655 (1997-09-01), Schweizer et al.

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