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Polarization effects in photoisomerization of azo dyes in polymeric films (1991)

Sekkat, Z. ; Dumont, M.

Springer

Applied physics 53 (1991), S. 121-123

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ISSN: 1432-0649

Keywords: 82.50-m ; 78.65 Hc ; 42.80 Lt

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The reversible cis-trans photoisomerization of disperse red 1 (DR1) in PMMA thin films has been demonstrated previously by using the Attenuated Total Reflection (ATR) method. In this communication photoisomerization of DR1 is shown to be strongly polarization sensitive. This new property of dye doped polymeric films could lead to practical applications in integrated optics. A simple molecular interpretation is given. Illumination of a DR1 sample by polarization fringes produces a grating of molecular orientation able to diffract a probe beam.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00325543

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