Chirped-pulse erbium-doped all-fiber ultrashort pulse laser for a fiber-optic Raman distributed temperature sensor

被引：0

作者：

Ososkov, Yan Zh. ^{[1
]}

Chernutsky, Anton O. ^{[1
]}

Dvoretskiy, Dmitriy A. ^{[1
]}

Sazonkin, Stanislav G. ^{[1
]}

Orekhov, Ilya O. ^{[1
]}

Denisov, Lev K. ^{[1
]}

Pnev, Alexey B. ^{[1
]}

Karasik, Valeriy E. ^{[1
]}

机构：

[1] Bauman Moscow State Tech Univ, 2nd Baumanskaya Str 5-1, Moscow 107005, Russia

来源：

XIV INTERNATIONAL CONFERENCE ON PULSED LASERS AND LASER APPLICATIONS | 2019年 / 11322卷

基金：

俄罗斯科学基金会;

关键词：

all-fiber erbium-doped fiber lasers; ultrashort pulses; femtosecond; passive mode-locking; single-walled carbon nanotubes; chirped-pulse; distributed temperature sensor; DISSIPATIVE-SOLITON LASER; PERFORMANCE;

D O I：

10.1117/12.2548291

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we have developed a chirped-pulse Er-doped all-fiber ultrashort pulse (USP) laser suitable for high-resolution Raman distributed temperature sensor (RDTS) system application. Chirped-pulse regime which is determined by the positive net-cavity dispersion of +0.12 ps(2) allows us to increase the energy of the pulses for effective signal-to-noise ratio in receiving system. It also helps to avoid the influence most of nonlinear effects due to relatively long pulses duration of similar to 24.6 ps. The average power of the pulses is estimated to be similar to 1 mW from master oscillator, and currently increased up to similar to 15 mW by power amplifier. A relatively low repetition rate of similar to 7.925 MHz with signal-to-noise ratio similar to 69 dB was achieved using the resonator length of similar to 25.6 m. To characterize short-term stability of the obtained regime we have also measured the relative intensity noise of the laser, which is < -107 dBc/Hz in the range of 3 Hz - 1 000 kHz.

引用

页数：5

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