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http://dx.doi.org/10.3807/KJOP.2012.23.3.103

Dependence of Mode Locked Yb-doped Fiber Laser Output on the Size of the Beam Incident upon a Semiconductor Saturable Absorber Mirror  

Moon, Dong Joon (Department of Photonic Engineering, Chosun University)
Kim, Myung Jin (Department of Photonic Engineering, Chosun University)
Ahan, Cheol Yong (Department of Photonic Engineering, Chosun University)
Kim, Nam Seong (EO Techniques Co.)
Kim, Hyun Su (Department of Photonic Engineering, Chosun University)
Publication Information
Korean Journal of Optics and Photonics / v.23, no.3, 2012 , pp. 103-107 More about this Journal
Abstract
We investigate the dependence of the output of a mode locked Yb-doped fiber laser on incident intra-cavity intensity on a semiconductor saturable absorber mirror (SESAM). To vary the incident intra-cavity intensity, we change the beam spot size on a SESAM by varying the focal length of a lens installed in the front of the SESAM.
Keywords
Fiber laser; Saturable absorber; Mode locking; Ultrafast laser;
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