Line focus aperture for optical beams

Details Line focus aperture for optical beams Line focus aperture for optical beams

1981-10-19

1984-01-31

Henry, Jon W.

Electric heating

Microwave heating

Tunnel furnace

219121LP, 219121FS, G02B 500

Patent

active

044286503

ABSTRACT:
An aperture useful for spatially filtering a line focus of an optical beam, such as that produced by a cylindrical mirror or lens, comprises a pair of rotating smoothly polished cylinders.

REFERENCES:
patent: 3286193 (1966-11-01), Koester et al.
patent: 3474219 (1969-10-01), Steigerwald et al.
patent: 3974016 (1976-08-01), Bondybey et al.
patent: 4187408 (1980-02-01), Heile

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