Wavefront measurement of double-clad pulsed ytterbium fiber laser
Chinese Optics Letters, Vol. 3, Issue S1, pp. S356-S357 (2005)
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Abstract
Because of high efficiencies, compact structure, and excellent heat dissipation, high-power fiber lasers are extremely useful for applications such as cutting, welding, precision drilling, trimming, sensing, optical transmitter, material processing, micromachining, and so on. However, the wavefront of the double clad fiber laser doped with ytterbium is still unknown. In this paper, wavefront of a fiber laser is measured and the traditional Hartmann-shack wavefront sensing method is adopted. We measured a double clad fiber laser doped with ytterbium which produces pulse wave output at infrared wavelength. The wavefront shape and contour are reconstructed and the result shows that wavefront is slightly focused and not an ideal plane wavefront. Wavefront measurement of fiber laser will be useful to improving the lasers' performance and developing the coherent technique for its applications.
© 2005 Chinese Optics Letters
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(350.5030) Other areas of optics : Phase
Citation
Sumei Zhou, Changhe Zhou, Bing He, Hongxin Luo, Yunqing Lu, Jingxing Dong, Qihong Lou, and Dianyuan Fan, "Wavefront measurement of double-clad pulsed ytterbium fiber laser," Chin. Opt. Lett. 3, S356-S357 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S356
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