BEAM-SHAPING LENS, BEAM-SHAPING ELEMENT, LIGHT SOURCE DEVICE FOR AN ENDOSCOPE, AND ENDOSCOPE
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United States of America Patent
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Mar 27, 2025
app pub date -
Oct 5, 2022
filing date -
Oct 5, 2022
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Abstract
A beam-shaping lens includes a first surface including a smooth-shaped concave surface; and a second surface including a convex surface substantially similar in shape to the concave surface. The beam-shaping lens converts a first light beam that is parallel light incident on the first surface and having a light intensity distribution that continuously increases from an outer periphery toward a center, into a second light beam that has a flatter light intensity distribution than that of the first light beam.
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