NDLI: All-fiber Q-switched Yb:Ho laser

Content Provider	IEEE Xplore Digital Library
Author	Kurkov, A.S. Sholokhov, E.M. Medvedkov, O.I.
Copyright Year	2009
Description	Author affiliation: General Physics Institute, Russian Academy of Sciences, 38 Vavilov St, 119991 Moscow, Russia (Kurkov, A.S.; Sholokhov, E.M.) \|\| Fiber Optics Research Center, Russian Academy of Sciences, 38 Vavilov S t, 119991 Moscow, Russia (Medvedkov, O.I.)
Abstract	Q-switched fiber lasers have found a number of applications such as medical treatment, micromachining, diagnostics and others. All-fiber pulsed lasers are of special interest since exhibiting all advantages of fiber lasers, namely compactness, absence of mechanical elements, long time stability etc. One of the promising ways to build such pulsed laser scheme consists in the application of a fiber saturable absorber. Thus, in [1] it was demonstrated that a placing of Sm-doped fiber in the cavity of Yb-doped fiber laser allows one to get the pulse generation with energy of approximately 20 µJ and time duration of 650 ns. Another approach was applied in [2], where Bi-doped fiber played a role of the saturated absorber. Bi active centers have the long lifetime, ∼ 1 ms. To solve this problem Bi-doped fiber was placed in a separate cavity to achieve a laser action at its wavelength and consequently to decrease the lifetime of the active centers in the excited state. That allowed authors to demonstrate the stable pulsed lasing with the pulse energy up to 0.1 mJ and the pulse duration in a range of approximately 1–2 µs. In this paper we suggest a new laser configuration with Ho-doped fiber as a saturable absorber.
Starting Page	1
Ending Page	1
File Size	185759
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5194623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bragg gratings Laser theory Pulse amplifiers Laser stability Laser excitation Optical reflection Pulse shaping methods Pump lasers Fiber lasers Optical pulses
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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