Optical scanning apparatus

Details Optical scanning apparatus Optical scanning apparatus

2007-12-17

2009-10-13

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Collimating of light beam

C359S642000

Reexamination Certificate

active

07602554

ABSTRACT:
A compact optical scanning apparatus which can change the focal position of a light beam at high speed is provided. In this optical scanning apparatus, a collimating lens (5) which parallelizes a light beam from a light source (1) is formed by a KTN crystal, and electrodes (7, 6, 8) are placed inside and outside the collimating lens (5).

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