A robust all-fiber active Q-switched 1-μm Yb3+ fiber laser

被引：4

作者：

Sintov, Yoav ^{[1
,2
]}

Goldring, Sharone ^{[1
]}

Pearl, Shaul ^{[1
]}

Lebiush, Eyal ^{[1
]}

Sfez, Bruno ^{[1
]}

Malka, Dror ^{[2
]}

Zalevsky, Zeev ^{[2
]}

机构：

[1] Soreq Nucl Res Ctr, IL-81800 Yavne, Israel

[2] Bar Ilan Univ, Fac Engn, IL-5290002 Ramat Gan, Israel

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2015年 / 120卷 / 03期

关键词：

Pump Power; Fiber Laser; Pulse Repletion Rate; Ring Laser; Average Output Power;

D O I：

10.1007/s00340-015-6157-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An all-fiber active Q-switched Yb3+-doped fiber laser at 1 A mu m is presented. The laser is composed of a ring resonator with an embedded all-fiber Q-switch element, based on a null coupler with an attached piezoelectric transducer (PZT). The PZT is used as an acoustic actuator, for inducing longitudinal acoustic disturbance along the null coupler and causing light coupling between the null coupler's ports. A stable operation is achieved with an overall average output power of up to 275 mW at various pulse repetition rates (PRR), ranging from 10 to 35 kHz and typical pulse energy of 15 mu J. In addition, a self-monitoring method is implemented by an embedded microcontroller, in order to maintain stable Q-switch performance, in changing environmental conditions. An average power of 8.5 W and pulse energy of 420 mu J at a PRR of 20 kHz are demonstrated in a master oscillator power amplifier containing the Q-switched laser, followed by a power amplifier.

引用

页码：489 / 495

页数：7

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