System, Method and Apparatus For Polarization Control

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United States of America Patent

APP PUB NO 20180292574A1
SERIAL NO

16005333

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A polarization control device includes a first wave plate having a first surface profile and a second wave plate having a second surface profile complementary to the first surface profile. The optical axis of the first wave plate is orthogonal to the optical axis of the second wave plate. The first wave plate and the second wave plate are positioned to align the first surface profile with the second surface profile and maintain a constant thickness across the polarization control device. The first wave plate and the second wave plate may control polarization rotation as a continuous function of transverse position across a pupil plane of an optical system. The first wave plate and the second wave plate are separated by a sufficiently small distance so as to limit wave front distortion below a selected level.

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Patent Owner(s)

Patent OwnerAddress
KLA-TENCOR CORPORATIONONE TECHNOLOGY DRIVE MILPITAS CA 95035

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maleev, Ivan Pleasanton, US 13 202
Pettibone, Donald San Jose, US 8 17

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