Two-dimensional light deflector apparatus

Details Two-dimensional light deflector apparatus Two-dimensional light deflector apparatus

G - Physics

02

B

88/96, 88/0.11

G02B 5/32 (2006.01) G02B 27/17 (1980.01)

Patent

CA 1062519

TWO-DIMENSIONAL LIGHT DEFLECTOR APPARATUS Abstract of the Disclosure A two-dimensional light deflector is shown which comprises a cylindrical member having a plurality of holograms recorded thereon. A collimated light beam is directed to illuminate the hologram cylinder and rotation of the hologram cylinder provides a line scan which is at an angle of about 45 degrees with respect to the plane of rotation of the cylinder. The azimuthal position of the line scan can be varied by the ro- tation of a small mirror which directs the illumination beam. As a consequence, a two-dimensional raster scan on a cylindrical image surface is produced.

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