High-power Yb-doped double-clad fiber lasers for a range of 0.98-1.04 µm.

Kurkov, Andrey; Medvedkov, O.I.; Paramonov, V. M.; Vasiliev, S.A.; Dianov, E. M.; Солодовников, В. И.

doi:10.1364/oaa.2001.owc2

Cited by 6 publications

(10 citation statements)

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“…It consists of a semiconductor pump source, a piece of the double-clad active fiber describe above, and a pair of Bragg gratings closing the laser cavity. A study of the spectral efficiency of similar fiber lasers was carried out in [18]. In this work a set of fiber lasers with various emission wavelengths was fabricated.…”

Section: Oscillation Spectral Range Of "Convenient" Fiber Lasermentioning

confidence: 99%

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Oscillation spectral range of Yb-doped fiber lasers

2006

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Abstract:In this brief review we consider the main factors determining the oscillation spectral range of cladding-pumped ytterbium-doped fiber lasers (YDFLs) and the results obtained for lasers emitting at various wavelengths. Like erbium-doped fiber amplifiers we suggest dividing the oscillation spectral range of YDFLs into three bands, namely: convenient (C-band), short (S-band), and long (L-band). Polymer-coated double-clad fibers with the inner cladding having a size of more than 100 µm allows one to get efficient operation in the convenient range (Cband): 1060 − 1130 nm. To get an oscillation within the S-band (976 − 980 nm and 1020 − 1060 nm) it is necessary to use active fibers with a small square of the inner cladding. Heating of the active fiber gives the possibility to get lasing within the L-band λ > 1130 nm). Another way to get an emission in this spectral range is by the application of long-wave pumping by a C-band YDFL. Also, we indicate some features that require further study.

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Section: Oscillation Spectral Range Of "Convenient" Fiber Lasermentioning

confidence: 99%

“…The problem of achieving a sufficient level of population inversion can be solved through the application of a pump source with increased brightness. In [19] a source was used allowing one to transfer an optical power as high as 6 W into an optical fiber with a core diameter of 40 µm and numerical aperture NA = 0.22.…”

Section: Wavelength Nmmentioning

confidence: 99%

Oscillation spectral range of Yb-doped fiber lasers

2006

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“…Thus, a preform can be jacketed with such a tube, and the multimode structure is silica, within which the single mode core is contained and the down-doped fluorinated substrate tube provides the guiding NA for the multimode pump light. In another technique, it is possible to fabricate a multimode core using germanium, and in the center of this, a single mode rare earth doped structure 4 . This is illustrated in Figure 4.…”

Section: Figure 2 Efficient Design Of Double Clad Fibermentioning

confidence: 99%

<title>Optically pumped high-power fiber lasers</title>

Morse

2002

SPIE Proceedings

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“…A much more promising approach to increase output power of single-mode lasers at 0.98 μm is fabrication of fiber laser scheme on the base of double clad fibers pumping by multi-mode laser diode into the first cladding [4][5][6][7][8][9]. However the only special large mode area fibers with decreased inner silica cladding can be used for this aim.…”

Section: Introductionmentioning

confidence: 99%