TITLE

Enhancing the inscription rate of surface relief gratings with an incoherent assisting light beam

AUTHOR(S)
Ke Yang; Suizhou Yang; Xiaogong Wang; Kumar, Jayant
PUB. DATE
May 2004
SOURCE
Applied Physics Letters;5/31/2004, Vol. 84 Issue 22, p4517
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A beam of light that is incoherent to the recording beams and has its polarization orthogonal to the recording beams is shown to assist the recording process of azo-functionalized polymers through the enhancement of trans–cis–trans cycling. Recording with s:s polarization has earlier been shown to result in very small surface modulations. However, with the help of an incoherent assisting beam, it can record a large surface modulation with a diffraction efficiency of 20.7%. The incoherent assisting beam also leads to an acceleration of the grating formation rate for the recording beams with p:p and 45°:45° polarization. © 2004 American Institute of Physics.
ACCESSION #
13154677

 

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