Illumination optical system using optical fiber bundles
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United States of America Patent
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-
Jun 9, 1981
Grant Date -
N/A
app pub date -
Oct 10, 1978
filing date -
Dec 27, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An illumination optical system using optical fiber bundles. The optical fiber bundles are assembled to form an illumination optical system. The exit end faces of the fiber bundles are flat and inclined in different directions to effect a diverging illumination light flux as a whole.
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