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We report on a compact coherent all-PM fiber laser amplifier system at around 2.05 µm running at 100 MHz delivering broadband pulses at 290 mW average power and pulse duration down to 128 fs.
In the last decade, laser development based on Tm and Ho doped materials in the mid-IR has made a significant progress, especially in fiber technology [1-2]. Current work focusses on Tm doped fiber broadband amplifiers at the central wavelength toward 1.95 μm with high average power and pulse duration of 141 fs [3]. Whereas purely Tm doped fibers are well suited for a center wavelength in the 1.9–2...
A femtosecond thulium-doped passively modelocked fiber laser with internal dispersion compensation is presented. It generates pulses at a center wavelength of 1985 nm with a dechirped pulse duration of 320 fs and an energy of 3.5 nJ. Pulsed operation is achieved using additive pulse mode locking, dispersion compensation is facilitated by an internal grating arrangement.
Passively mode locked fiber lasers are of great interest since they are versatile light sources for many applications in frequency metrology or as seed sources for tungstate amplifiers. However, common systems are sensitive to environmental influences, e.g. vibration and thermal stress. One way for avoiding this and to obtain an environmental stable laser is the use of polarization maintaining (PM)-fibers...
We present a sub-85 fs mode-locked erbium fiber oscillator with an average output power of 14 mW. The pulse repetition rate is tunable between 55.3 MHz and 56.4 MHz enabling improved applications in precision metrology at 1.55 /spl mu/m.
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