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Conversion of unpolarized light to polarized light with greater than 50% efficiency by photorefractive two-beam coupling

机译:通过光折射两光束耦合将非偏振光转换为效率大于50%的偏振光

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摘要

All known polarizers operate through a separation of orthogonal electric field components, one of which is subsequently discarded. As a result, 50% of the unpolarized incident light is wasted in the process of conversion to polarized light. We demonstrate a new method by which we use the optical power in the ordinarily discarded component as the pump to amplify the retained component through photorefractive two-beam coupling to achieve greater than 50% throughput.
机译:所有已知的偏振器都是通过正交电场分量的分离来工作的,随后将其中之一丢弃。结果,在转换为偏振光的过程中浪费了50%的非偏振入射光。我们演示了一种新方法,通过该方法,我们可以使用通常丢弃的组件中的光功率作为泵,通过光折射两光束耦合来放大保留的组件,以实现大于50%的吞吐量。

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