Optical arrangement for an endoscope and endoscope having such an optical arrangement
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United States of America Patent
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Sep 27, 2022
Grant Date -
May 30, 2019
app pub date -
Nov 26, 2018
filing date -
Nov 27, 2017
priority date (Note) -
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Abstract
An optics arrangement for an endoscope is provided. The optics arrangement images an object situated in front of its distal end to the proximal end of the optics arrangement along a principal beam path having an optical axis. The optics arrangement is designed both for light from the visible spectrum and for light from the near infrared. The optics arrangement includes an aperture stop with a reflection layer in the principal beam path. The reflection layer reflects light from the visible spectrum and transmits light from the near infrared. The reflection layer is inclined in relation to the optical axis.
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