Spectral superbroadening of subnanojoule Cr:Forsterite femtosecond laser pulses in a tapered fiber

被引：18
|
作者：
Akimov, DA [1 ]
Ivanov, AA
Alfimov, MV
Bagayev, SN
Birks, TA
Wadsworth, WJ
Russell, PSJ
Fedotov, AB
Pivtsov, VS
Podshivalov, AA
Zheltikov, AM
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Ctr Int Laser, Moscow 119899, Russia
[2] Russian Acad Sci, Ctr Photochem, Moscow 117421, Russia
[3] Russian Acad Sci, Inst Laser Phys, Siberian Branch, Novosibirsk 630090, Russia
[4] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England
来源：
JETP LETTERS | 2001年 / 74卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1434286
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Spectral superbroadening of subnanojoule femtosecond Cr:forsterite laser pulses is demonstrated for the first time in experiments with a tapered fiber. Coupling 40-fs 0.6-nJ pulses of 1.25-mum Cr:forsterite laser radiation into a tapered fiber with a taper waist diameter of about 2 mum and a taper waist length of 90 mm, we observed the spectra spanning more than two octaves at the output of the fiber. These experimental results open new horizons for the creation of compact femtosecond systems based on Cr:forsterite lasers and tapered fibers for optical metrology and biomedical applications. (C) 2001 MAIK "Nauka / Interperiodica".
引用
收藏
页码：460 / 463
页数：4
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