Varifocal lens, optical scanning probe including the varifocal lens, and medical apparatus including the optical scanning probe
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Jul 30, 2014
filing date -
Sep 27, 2013
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Abstract
A varifocal-type optical scanning probe including an optical fiber scanner and a varifocal lens is provided. The varifocal lens includes: a first membrane lens comprising a first lens surface with a variable curvature and a first pressure surface configured to induce a curvature variation of the first lens surface; a second membrane lens including a second lens surface with a variable curvature and a second pressure surface configured to induce a curvature variation of the second lens surface; a first pressure member disposed to apply a pressure to the first pressure surface; a second pressure member disposed to apply a pressure to the second pressure surface; and a motor configured to transmit a driving force to at least one of the first pressure member and the second pressure member.
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