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US 2009/0290223 A1Published application
Optical apparatus and optical transmission apparatus
AssigneeFujitsu Limited
InventorsHirofumi AOTA, Kohei Shibata, Tamotsu Akashi, Tsuyoshi Yamamoto
Life of this patent
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Abstract
An optical apparatus includes a collimation optical member for collimating and outputting input light, a condensing optical member for condensing light from the collimation optical member and a light blocking mask member provided at a place on an optical path of the input light for light blocking part of the input light, and enhances the degree of freedom in design of an optical system.
Claims15
An optical apparatus, comprising:
- a collimation optical member adapted to collimate and output incident light;
- a condensing optical member adapted to condense the light from said collimation optical member;
- and
- a light blocking mask member provided at a point on an optical path of the incident light and adapted to block part of the incident light.
1 more element
An optical transmission apparatus, comprising:
- an optical apparatus comprising an collimation optical member adapted to collimate and output incident light, a condensing optical member adapted to condense the light from said collimation optical member, and a light blocking mask member provided at a point on an optical path of the incident light and adapted to block part of the incident light.
Dependencies are inferred from the claim text.