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Fabrication of surface relief gratings (SRGs) on azo dye thin films has been investigated utilizing an interference of evanescent waves. SRGs of approximately 210 nm were inscribed on the photoisomerized azo dye films, that were smaller than a half wavelength of an incidence laser of 488.0 nm. The films were set on a right-angled triangular prism surface and were in the interference of evanescent waves of totally reflected laser beams at the prism surface. The interference at the surface was performed using a laser beam through the one side of the isosceles and the returned beam at the other side of the isosceles where a mirror was set. The SRG patterns of azo dye films due to
trans
-
cis
transition of the dyes were observed
in situ
using an atomic force microscope above the prism surface.
Sprache
Englisch
Identifikatoren
ISSN: 0003-6951
eISSN: 1077-3118
DOI: 10.1063/1.1857070
Titel-ID: cdi_crossref_primary_10_1063_1_1857070
Format
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