Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David A. Agard0
Yumiko Ouchi0
Mats G. L. Gustafsson0
Hisao Osawa0
Date of Patent
April 20, 2021
0Patent Application Number
166746310
Date Filed
November 5, 2019
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Polarized light which is emitted from an optical fiber becomes circular polarized light by passing through a first quarter wave plate. The circular polarized light which has entered a second quarter wave plate is converted into nearly linear polarized light which has S polarization. P polarization components are removed from the nearly linear polarized light by a polarizer, but the polarizer is not always necessary. The optical axis of the polarizer is set to be a direction which allows transmitting of S polarized light. The light that has passed through the polarizer is separated into diffracted lights by a diffraction grating, and is used as the structured illumination light.
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