Cascade scanning optical system

Details Cascade scanning optical system Cascade scanning optical system

1997-08-26

1999-02-02

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359204, 359206, 359216, 347243, 347244, G02B 2608

Patent

active

058672990

ABSTRACT:
A cascade scanning optical system which includes a plurality of laser scanning optical systems each emitting a laser beam to scan a surface of a member, and a beam splitter positioned in an optical path between the plurality of laser scanning optical systems and the member such that a first laser beam which has passed through the beam splitter and a second laser beam which has been reflected by the beam splitter proceed to the surface on a common line thereon in respective ranges of the common line. Each of the plurality of laser scanning optical systems is desinged as a telecentric system.

REFERENCES:
patent: 5461414 (1995-10-01), Honda
patent: 5654817 (1997-08-01), De Loor
Konica Technical Report vol. 9 (1996) together with an English Language translation.

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