STEADY-STATE PHOTOISOMER ACCUMULATION IN THE ABSORBER JET OF THE PASSIVELY MODE-LOCKED FEMTOSECOND DYE-LASER

被引：14
|
作者：
RENTSCH, S
DOPEL, E
PETROV, V
机构：
[1] Friedrich-Schiller Univ, Jena, East Ger, Friedrich-Schiller Univ, Jena, East Ger
来源：
APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY | 1988年 / 46卷 / 04期
关键词：
IODINE COMPOUNDS - Isomerization - LASERS - Mode Locking;
D O I：
10.1007/BF00686459
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In continuous wave passively mode-locked lasers a steady state distribution of two isomers of the saturable absorber dye can be established. We report the first intracavity transmission measurement and estimation of the amount of the photoisomer of DODCI in the femtosecond CPM ring. Comparison with a simple model based on rate equations allows one to estimate the quantum yield of a photo-back reaction. The obtained dependence of the photoisomer concentration on the laser wavelength and pulse energy can be used in theories describing the generation process for adequate estimation of its part in the mode-locking regime.
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页码：357 / 361
页数：5
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