Results 11 to 20 of about 5,980,056 (304)
Tunable Single-Longitudinal-Mode High-Power Fiber Laser
International Journal of Optics, 2012 We report a novel CW tunable high-power single-longitudinal-mode fiber laser with a linewidth of ∼9 MHz. A tunable fiber Bragg grating provided wavelength selection over a 10 nm range. An all-fiber Fabry-Perot filter was used to increase the longitudinal
Jonas K. Valiunas, Gautam Das
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Wavelength-tunable single longitudinal mode fiber optical parametric oscillator
Optics Express, 2017 We demonstrate a ring cavity single longitudinal mode fiber optical parametric oscillator using a passive sub-ring cavity and an unpumped erbium doped fiber configured with an external fiber mirror for single mode selection. The unpumped erbium doped fiber uses its saturable absorption characteristic to generate a self-induced narrowband filter when ...
L. T. Lim +2 more
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Applied SciencesSingle-longitudinal mode lasers are widely used as light sources in coherent lidars due to their narrow linewidth and long coherence length. However, we observed spontaneous frequency drift in a single-longitudinal mode laser, accompanied by the ...
Xiaojie Chen +5 more
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How to control the laser emission in single longitudinal mode [PDF]
Optica Pura y Aplicada, 2015 Producción Científica In the pictures we show the interference patterns obtained with a solid Fabry-Perot etalon with the 532 nm radiation emitted by a Nd:YAG laser. In Fig. A using a seed laser, this means, only one longitudinal mode. In Fig. B without the seed laser, this is multimode emission.
González Fernández, Verónica +6 more
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Photonics, 2023 This paper proposes and demonstrates a single-longitudinal-mode thulium-doped fiber laser using a passive triple-coupler ring-based compound-cavity filter (TCR-CC) and a uniform fiber Bragg grating. For the first time, the TCR-CC filter is used to select
Biao Guan +8 more
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AIP Advances, 2023 The following typical longitudinal mode phenomena occur in bulk semiconductor lasers: single-mode or multimode operation for longitudinal modes, longitudinal mode suppression except for a dominant mode, asymmetry of the spectral profile of longitudinal ...
Toshiaki Mizukami
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Single longitudinal mode fiber ring laser [PDF]
Optics & Laser Technology, 2018 In this work, a dual-wavelength fiber ring laser working on the SLM regime is proposed and experimentally verified. A proof-of-concept device has been tested employing high precision small-sized SLM fiber lasers to complement the feedback produced by a passive FBG.
Rodríguez Cobo, Luis +4 more
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IEEE Photonics Journal, 2017 With a fiber pigtailed electro-optic modulator as the active Q-switch, mode-hopping-free single-longitudinal-mode pulses are generated by a ring cavity fiber laser based on the injection seeding technique.
Wencai Li +6 more
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Single Longitudinal Mode Lasers by Using Artificially Controlled Backscattering Erbium Doped Fibers
IEEE Access, 2021 In this work, we propose and experimentally demonstrate a new distributed short linear cavity fiber laser. At one of the cavity ends, fabricated by a commercial femtosecond fiber laser chirped pulse amplifier, an artificially controlled backscattering ...
Rosa Ana Perez-Herrera +4 more
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Broadband single-mode microfiber coupler for OCT [PDF]
, 2009 We present a bi-conical microfiber coupler (MFC) with a specifically designed transition region as an efficient tool to filter higher-order modes in multimode waveguides.
David J. Richardson +5 more
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