The generation of passive dual wavelengths Q-switched YDFL by MoSe2 film

被引：16
作者：
Ahmad, H. [1 ]
Rashid, F. A. A. [1 ]
Azzuhri, S. R. [1 ]
Salim, M. A. M. [1 ]
Shaharuddin, R. A. [1 ]
Ismail, M. A. [1 ]
Razak, M. Z. A. [1 ,2 ]
机构：
[1] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Kebangsaan Malaysia, Inst Microengn & Nanoelect IMEN, Bangi 43600, Selangor, Malaysia
来源：
LASER PHYSICS LETTERS | 2016年 / 13卷 / 11期
关键词：
D-shaped polished fiber; ytterbium; MoSe2; film; dual wavelengths; fiber laser; TRANSITION-METAL DICHALCOGENIDES; FIBER LASER; SATURABLE ABSORBER; HIGH-POWER; GRAPHENE; BAND; YB; OPTOELECTRONICS; ABSORPTION; CRYSTAL;
D O I：
10.1088/1612-2011/13/11/115102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple ytterbium doped fiber laser (YDFL) setup was used to generate Q-switching pulses by using a D-shaped polished fiber as a wavelength selective filter. The gain medium used in the cavity was ytterbium doped fiber with length 70 cm. By utilizing a MoSe2 film as saturable absorber into the cavity, a stable dual wavelength was produced at 1036.69 and 1039.22 nm. The wavelength separation of the output spectrum was 2.53 nm. We found a maximum pulse energy of 0.99 nJ and shortest pulse width of 1.2 mu s. We have determined consistent dual-wavelength Q-switching pulses for the 1-micron region.
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页数：6
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