منابع مشابه
Wide wavelength selectable all-fiber thulium doped fiber laser between 1925 nm and 2200 nm.
We demonstrate an all-fiber Tm(3+)-doped silica fiber laser operating at a wide selectable wavelength range by using different fiber Bragg gratings (FBGs) as wavelength selection elements. With a specifically designed high reflective (HR) FBG and the fiber end as an output coupler, the lasing in the range from 1975 nm to 2150 nm with slope efficiency of >30% can be achieved. By employing a low ...
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In this paper, we present a novel Brillouin fiber-ring laser utilizing an unbalanced Mach–Zehnder interferometer (UMZI) as coupling device. The laser is pumped by a distributed-feedback laser diode and shows continuous-wave and single-frequency operation. Frequency-dependent transmission characteristics of the UMZI make it possible for the pump wave to pass through the laser-ring cavity with no...
متن کاملA 100 W all-fiber linearly-polarized Yb-doped single-mode fiber laser at 1120 nm.
A 100 W-class all-fiber linearly-polarized single-mode fiber laser at 1120 nm with an optical efficiency of 50% was demonstrated. The laser consists of a 4.2 m long Yb-doped polarization maintaining fiber with a core diameter of 10 μm and a pair of FBGs written in matched passive fiber. Linearly polarized output with a polarization extinction ratio of 15 dB is achieved by a cavity that selects ...
متن کاملYb Ring Doping in High-Order-Mode Fiber for High-Power 977-nm Lasers and Amplifiers
We numerically model the performance of highpower 977-nm fiber lasers and amplifiers pumped at 915 nm, in which the Yb is doped in a ring inside the core of a high-ordermode (HOM) fiber. Light in the spatially coherent LP07 mode is amplified in the fiber, and then coupled to the LP01 mode by longperiod gratings. For the laser, it is found that parasitic oscillation on the 1023-nm four-level tra...
متن کاملthulium-doped all-fiber laser
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ژورنال
عنوان ژورنال: IEEE Photonics Technology Letters
سال: 2004
ISSN: 1041-1135
DOI: 10.1109/lpt.2004.835619