NUMERICAL-ANALYSIS OF PR-3+-DOPED FLUORIDE FIBER AMPLIFIER

被引：7

作者：

KARASEK, M

机构：

[1] Institut für Hochfrequenztechnik, Technische, Universität Braunschweig, W-3300, Braunschweig

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 11期

关键词：

D O I：

10.1109/68.166964

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A large-signal model for a four-level laser system has been used to study the small-signal and large-signal properties of a praseodymium-doped fluoride fiber amplifier. The model takes into account the LP01 mode radial field distribution in step-index single-mode fiber and experimentally obtained signal emission and pump absorption cross-sections. It has been found that the optimum cutoff wavelength is 750 nm and is independent of numerical aperture and input pump power. The numerical aperture should be made as high as possible.

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页码：1266 / 1269

页数：4

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