Optical device and photoacoustic microscope
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United States of America Patent
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Apr 16, 2024
Grant Date -
Feb 25, 2021
app pub date -
Nov 8, 2020
filing date -
May 9, 2018
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Abstract
An optical device includes a first axicon lens to which collimated light is incident and which is configured to form diverging ring-shaped light; a lens to which the ring-shaped light formed by the first axicon lens is incident and which is configured to form ring-shaped collimated light; and a condensing mirror that is configured to condense the ring-shaped collimated light formed by the lens. A photoacoustic microscope includes the optical device described above and a detector that is configured to detect an acoustic wave caused by light condensed by the condensing mirror.
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