LIGHT IRRADIATION DEVICE HAVING POLARIZATION MEASURING MECHANISM
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Feb 5, 2015
filing date -
Feb 5, 2015
priority date (Note) -
Abandoned
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Abstract
A light irradiation device for irradiating polarized light having a light source, a device-side polarizer for polarizing light of the light source and a measuring device that measures a polarization axis of the light polarized by the device-side polarizer is provided, an extinction ratio of the device-side polarizer being set to 100:1 or more.
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