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Parametric extension of the classical exposure-schedule theory for angle-multiplexed photorefractive recording over wide angles

机译:经典曝光时间表理论的参数扩展,用于在广角上进行角度复用光折射记录

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摘要

The gradual reorientations in crystal geometry encountered during angle-multiplexed holographic recording with obliquely incident recording beams can create significant parametric exposure-time and recording-angle dependencies in both grating writing- and erasure-time constants. We present a parametric extension of the classically derived backward-recursion algorithm that compensates [hr the intermingling effects of recording geometry, writing-beam intensity variations, and unique crystal behavior. We present experimental data for a sequence of 301 holograms recorded with the goal of equal hologram strength and, separately, the same sequence recorded with the goal of equal hologram reconstruction intensity--which are different cases for a steeply incident readout beam.#1998 Optical Society of America OCIS codes: 210.2860, 210.4770, 300.6540, 090.7330, 090.2890, 090.4220.
机译:在用倾斜入射的记录光束进行角度多路复用全息记录过程中遇到的晶体几何形状的逐渐重新定向可以在光栅写入时间和擦除时间常数中产生显着的参数曝光时间和记录角度依赖性。我们介绍了经典派生的后向递归算法的参数扩展,该算法可补偿[hr]记录几何形状,写入光束强度变化和独特的晶体行为的混合效应。我们提供了以相同的全息图强度为目标记录的301个全息图序列的实验数据,并且以相同的全息图重建强度为目标分别记录了相同的序列-对于陡峭入射的读出光束来说是不同的情况。#1998 Optical美国OCIS协会代码:210.2860、210.4770、300.6540、090.7330、090.2890、090.4220。

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