| 摘要 |
The present invention provides an optical scanning apparatus which has a light modulating element capable of changing the propagating state of light, an illuminating optical system for illuminating the light modulating element with light, and a scanning optical system for scanning the light from the light modulating element, the scanning optical system having a light deflector for selectively deflecting a beam of the light from the light modulating element which propagates in a predetermined direction, and which is made more compact than in the prior art.
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