Coherent Beam Combination of Two Polarization Maintaining Ytterbium Fibre Amplifiers

Chin. Phys. Lett.

2005, Vol. 22

Issue (9): 2273-2275 DOI:

Original Articles

Coherent Beam Combination of Two Polarization Maintaining Ytterbium Fibre Amplifiers

HOU Jing;XIAO Rui;JIANG Zong-Fu;CHENG Xiang-Ai;SHU Bai-Hong;CHEN Jin-Bao;LIU Ze-Jin

College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073

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HOU Jing, XIAO Rui, JIANG Zong-Fu et al 2005 Chin. Phys. Lett. 22 2273-2275

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Abstract We investigate coherent beam combination of fibre laser beams by phase locking. Phase noise of a polarization maintaining ytterbium fibre amplifier is inspected with a fibre interferometer. In a feed back control loop, two fibre polarization maintaining ytterbium amplifiers are phase locked and coherent combined when the phase noise is properly controlled by a LiNO₃ phase modulator.

Keywords: 42.55.Wd 42.25.Kb

Published: 01 September 2005

PACS:	42.55.Wd	(Fiber lasers)
	42.25.Kb	(Coherence)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I9/02273

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	HOU Jing
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	CHEN Jin-Bao
	LIU Ze-Jin

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