ELECTRO-OPTIC ELEMENT AND SCANNING OPTICAL DEVICE
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United States of America Patent
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Oct 19, 2010
Grant Date -
Oct 21, 2010
app pub date -
Jun 28, 2010
filing date -
Feb 26, 2007
priority date (Note) -
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Abstract
An electro-optic element includes an electro-optic crystal having a birefringent property, and in which a refractive index distribution is generated in accordance with an intensity of an electric field caused inside, a pair of intensity modulating electrodes for applying a voltage for varying the birefringent property of the electro-optic crystal, a pair of scanning electrodes for applying a voltage for varying the refractive index distribution of the electro-optic crystal, and a polarization selection member provided at least on a side of a laser beam emission end face out of a laser beam entrance end face and the laser beam emission end face of the electro-optic crystal, and for selectively transmitting a part with a specific vibration direction out of a light beam emitted from the electro-optic crystal.
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