Minimizing Intensity Fluctuations in Dynamic Holographic Optical Tweezers, by Restricted Phase Change

Martin Persson, David Engstrom, Anders Frank, Jan Backsten, Jorgen Bengtsson, and Mattias Goksor

Published by Optical Society of America Optics Express Vol. 18, Issue 11, pp. 11250-11263 (2010) https://doi.org/10.1364/OE.18.011250

Abstract

We present a method for reducing intensity fluctuations that typically occur when a spatial light modulator is updated between consecutive computer generated holograms. The method is applicable to most iterative hologram generating algorithms and minimizes the average phase difference between consecutive holograms. Applications with high stability requirements, such as optical force measurement with holographic optical tweezers, should benefit from this improvement.

Read and Download