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220 μJ monolithic single-frequency Q-switched fiber laser at 2 μm by using highly Tm-doped germanate fibers.
Opt Lett. 2011 Sep 15; 36(18):3575-7.OL

Abstract

We report a unique all fiber-based single-frequency Q-switched laser in a monolithic master oscillator power amplifier configuration at ~1920 nm by using highly Tm-doped germanate fibers for the first time. The actively Q-switched fiber laser seed was achieved by using a piezo to press the fiber in the fiber Bragg grating cavity and modulate the fiber birefringence, enabling Q-switching with pulse width and repetition rate tunability. A single-mode polarization maintaining large core 25 μm highly Tm-doped germanate fiber was used in the power amplifier stage. For 80 ns pulses with 20 kHz repetition rate, we achieved 220 μJ pulse energy, which corresponds to a peak power of 2.75 kW with transform-limited linewidth.

Authors+Show Affiliations

NP Photonics Inc., Tucson, Arizona 85747, USA. wshi@npphotonics.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21931395

Citation

Shi, Wei, et al. "220 μJ Monolithic Single-frequency Q-switched Fiber Laser at 2 Μm By Using Highly Tm-doped Germanate Fibers." Optics Letters, vol. 36, no. 18, 2011, pp. 3575-7.
Shi W, Petersen EB, Nguyen DT, et al. 220 μJ monolithic single-frequency Q-switched fiber laser at 2 μm by using highly Tm-doped germanate fibers. Opt Lett. 2011;36(18):3575-7.
Shi, W., Petersen, E. B., Nguyen, D. T., Yao, Z., Chavez-Pirson, A., Peyghambarian, N., & Yu, J. (2011). 220 μJ monolithic single-frequency Q-switched fiber laser at 2 μm by using highly Tm-doped germanate fibers. Optics Letters, 36(18), 3575-7. https://doi.org/10.1364/OL.36.003575
Shi W, et al. 220 μJ Monolithic Single-frequency Q-switched Fiber Laser at 2 Μm By Using Highly Tm-doped Germanate Fibers. Opt Lett. 2011 Sep 15;36(18):3575-7. PubMed PMID: 21931395.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - 220 μJ monolithic single-frequency Q-switched fiber laser at 2 μm by using highly Tm-doped germanate fibers. AU - Shi,Wei, AU - Petersen,Eliot B, AU - Nguyen,Dan T, AU - Yao,Zhidong, AU - Chavez-Pirson,Arturo, AU - Peyghambarian,N, AU - Yu,Jirong, PY - 2011/9/21/entrez PY - 2011/9/21/pubmed PY - 2011/9/21/medline SP - 3575 EP - 7 JF - Optics letters JO - Opt Lett VL - 36 IS - 18 N2 - We report a unique all fiber-based single-frequency Q-switched laser in a monolithic master oscillator power amplifier configuration at ~1920 nm by using highly Tm-doped germanate fibers for the first time. The actively Q-switched fiber laser seed was achieved by using a piezo to press the fiber in the fiber Bragg grating cavity and modulate the fiber birefringence, enabling Q-switching with pulse width and repetition rate tunability. A single-mode polarization maintaining large core 25 μm highly Tm-doped germanate fiber was used in the power amplifier stage. For 80 ns pulses with 20 kHz repetition rate, we achieved 220 μJ pulse energy, which corresponds to a peak power of 2.75 kW with transform-limited linewidth. SN - 1539-4794 UR - https://www.unboundmedicine.com/medline/citation/21931395/220_μJ_monolithic_single_frequency_Q_switched_fiber_laser_at_2_μm_by_using_highly_Tm_doped_germanate_fibers_ DB - PRIME DP - Unbound Medicine ER -
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