Misalignment compensation in spatial light modulator based optical filtering techniques

TL;DR

This paper introduces a novel misalignment compensation method for spatial light modulator-based optical filtering, utilizing wave field correlation to improve alignment accuracy, demonstrated through experimental validation.

Contribution

The paper presents a new correlation-based technique for compensating misalignments in SLM-based optical filtering systems, enhancing their robustness.

Findings

Effective misalignment correction demonstrated experimentally

Improved filtering accuracy in optical setups

Method applicable to various optical filtering configurations

Abstract

A new method for the compensation of misalignment in the spatial light modulator based optical linear filtering techniques is presented. It is based on the correlation of the wave fields generated across the input and the output planes of filtering setups. Experimental results are given to demonstrate the effectiveness of the method.