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发明授权
US06954252B1 Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1)λ/4 失效
光开关包括两个集成的多相SLM和波片，波片提供（2n + 1）λ/ 4的光学延迟

Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1)λ/4
摘要：
An optical switch uses a polarization insensitive spatial light modulator operating by a double pass through a liquid crystal cell. The switch includes two such modulators in a cross bar arrangement. Different embodiments employing techniques for reducing cross talk are described.
摘要（中）：

光学开关使用通过液晶单元的双通道操作的偏振不敏感空间光调制器。 开关包括两个这样的横杆布置的调制器。 描述了采用减少串扰的技术的不同实施例。

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