Optical probe and optical system therefor
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United States of America Patent
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Apr 2, 2013
Grant Date -
May 24, 2012
app pub date -
May 5, 2011
filing date -
Nov 19, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An optical probe and an optical system therefor are provided. The optical probe is includes a housing configured to house the optical system and the housing has a transparent window therein. the optical system includes a light emitting unit, a collimation lens, and a focusing lens. A numerical aperture of the optical system is adjustable by adjusting a pupil diameter of the collimation lens and a focal length of the focusing lens. The pupil diameter of the collimation lens is adjustable based on a variable focal lens or by adjusting a distance between the collimation lens and the light emitting unit.
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