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1篇 您的检索式：作者名="M.F.A.Rahman"

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		题名	作者	年代	出处	被引量
	1	Holmium Oxide Film as a Saturable Absorber for 2μm Q-Switched Fiber Laser显示文摘This work reports on the use of the holmium oxide(Ho_2 O_3) polymer film as a saturable absorber(SA) for generating stable Q-switching pulses operating in a 2-μm region in a thulium-doped fiber laser cavity. The SA is prepared by diluting a commercial Ho_3 O_2 powder and then mixing it with polyvinyl alcohol(PVA) solution to form a Ho_2 O_3-PVA film. A tiny part of the film about 1 mm×1 mm in size is sandwiched between two fiber ferrules with the help of index matching gel. When incorporated in a laser cavity driven by a 1552-nm pump,stable Q-switching pulses are observed at 1955 nm within the pump power range of 363-491 mW. As the pump power increases within this range, the repetition rate rises from 26 kHz to 39 kHz, as the pulse width drops from4.22μs to 2.57μs. The laser operates with a signal-to-noise ratio of 47 dB, and the maximum output power and the pulse energy obtained are 2.67 mW and 69 nJ, respectively. Our results successfully demonstrate that the Ho_2 O_3 film can be used as a passive SA to generate a 2-μm pulse laser.	M.F.A.Rahman M.F.M.Rusdi M.Q.Lokman M.B.H.Mahyuddin A.A.Latiff A.H.A.Rosol K.Dimyati S.W.Harun	2017	Chinese Physics Letters2017，34，5：	0

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