SATURABLE ABSORPTION DYNAMICS OF DODCI

PENZKOFER, A and BAUMLER, W (1991) SATURABLE ABSORPTION DYNAMICS OF DODCI. OPTICAL AND QUANTUM ELECTRONICS, 23 (3). pp. 439-459. ISSN 0306-8919,

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Abstract

The saturable absorption dynamics of DODCI in a femtosecond dye laser is studied theoretically. The N-isomer and P-isomer photoisomerization dynamics is included. The wavelength region between 570 nm and 650 nm is considered where the N-isomer and P-isomer absorption dynamics changes from short-wavelength to long-wavelength S0-S1 excitation. The slow saturable absorber DODCI shortens a circulating pulse in a laser oscillator down to femtosecond duration if the gain medium compensates the absorber losses. Fast local relaxation in the S1-state in the case of short-wavelength excitation and fast level refilling in the S0-state in the case of long-wavelength excitation facilitate the pulse shortening and the background signal suppression.

Item Type:	Article
Uncontrolled Keywords:	LONG-WAVELENGTH REGION; MODE-LOCKING; DYE-LASERS; 3,3'-DIETHYLOXADICARBOCYANINE IODIDE; LIGHT-PULSES; GENERATION; STATE; BAND;
Depositing User:	Dr. Gernot Deinzer
Last Modified:	19 Oct 2022 08:46
URI:	https://pred.uni-regensburg.de/id/eprint/55069

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