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Proceedings Paper

Chirped frequency-shifted light pulses from a photonic-crystal fiber for pump-probe nonlinear absorption spectroscopy of molecular aggregates
Author(s): A. A. Ivanov; D. A. Akimov; P. V. Mezentsev; A. I. Plekhanov; M. V. Alfimov; A. M. Zheltikov
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Paper Abstract

Photonic-crystal fibers provide efficient nonlinear-optical transformations of femtosecond Cr: forsterite laser pulses, delivering linearly chirped frequency-shifted broadband light pulses, optimized for pump-probe nonlinear absorption spectroscopy of molecular aggregates. The blue-shifted output of a photonic-crystal fiber with a spectrum stretching from 530 to 680 nm is used to probe one- and two-exciton bands of thiacarbocyanine J aggregates in a polymer film excited by femtosecond second-harmonic pulses of the Cr: forsterite laser.

Paper Details

Date Published: 10 June 2006
PDF: 6 pages
Proc. SPIE 6344, Advanced Laser Technologies 2005, 634413 (10 June 2006); doi: 10.1117/12.694284
Show Author Affiliations
A. A. Ivanov, Ctr. of Photochemistry (Russia)
D. A. Akimov, M.V. Lomonosov Moscow State Univ. (Russia)
P. V. Mezentsev, M.V. Lomonosov Moscow State Univ. (Russia)
A. I. Plekhanov, Institute of Automation and Electrometry (Russia)
M. V. Alfimov, Ctr. of Photochemistry (Russia)
A. M. Zheltikov, M.V. Lomonosov Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 6344:
Advanced Laser Technologies 2005
Ivan A. Shcherbakov; Kexin Xu; Qingyue Wang; Alexander V. Priezzhev; Vladimir I. Pustovoy, Editor(s)

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