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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 31179–31188

Dissipative structure in the photo-induced phase under steady light irradiation in the spin crossover complex

Taishi Nishihara, Azzdine Bousseksou, and Koichiro Tanaka  »View Author Affiliations

Optics Express, Vol. 21, Issue 25, pp. 31179-31188 (2013)

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We report the spatial and temporal dynamics of the photo-induced phase in the iron (II) spin crossover complex Fe(ptz)6(BF4)2 studied by image measurement under steady light irradiation and transient absorption measurement. The dynamic factors are derived from the spatial and temporal fluctuation of the image in the steady state under light irradiation between 65 and 100 K. The dynamic factors clearly indicate that the fluctuation has a resonant frequency that strongly depends on the temperature, and is proportional to the relaxation rate of the photo-induced phase. This oscillation of the speckle pattern under steady light irradiation is ascribed to the nonlinear interaction between the spin state and the lattice volume at the surface.

© 2013 Optical Society of America

OCIS Codes
(190.3100) Nonlinear optics : Instabilities and chaos
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(300.6250) Spectroscopy : Spectroscopy, condensed matter
(300.6480) Spectroscopy : Spectroscopy, speckle

ToC Category:
Nonlinear Optics

Original Manuscript: October 14, 2013
Revised Manuscript: November 27, 2013
Manuscript Accepted: November 27, 2013
Published: December 11, 2013

Taishi Nishihara, Azzdine Bousseksou, and Koichiro Tanaka, "Dissipative structure in the photo-induced phase under steady light irradiation in the spin crossover complex," Opt. Express 21, 31179-31188 (2013)

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