Low-threshold high-dynamic-range optical limiter for ultra-short laser pulses

被引：16
|
作者：
Nevejina-Sturhan, A [1 ]
Werhahn, O [1 ]
Siegner, U [1 ]
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2002年 / 74卷 / 06期
关键词：
D O I：
10.1007/s003400200862
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate an optical limiter for ultra-short (similar to 100-fs) laser pulses. The device has a dynamic range (= damage energy/ onset-of-limiting energy) of more than 10000 and an onset-of-limiting energy of only similar to 10nJ. The output-pulse energy is kept below 1.3 muJ. The limiting mechanism is based on two-photon absorption and refractive nonlinearities in a 20-mm piece of ZnSe. We discuss the importance of the different nonlinearities, damage issues, and guidelines for the construction of the device.
引用
收藏
页码：553 / 557
页数：5
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