Back to Search
Start Over
Kagome-fiber-based pulse compression of mid- infrared picosecond pulses from a Ho:YLF amplifier
- Source :
- Optica, Optica, Optical Society of America-OSA Publishing, 2016, 3 (8), pp.816-822, Optica 3(8), 816-822 (2016). doi:10.1364/OPTICA.3.000816
- Publication Year :
- 2016
- Publisher :
- HAL CCSD, 2016.
-
Abstract
- Optica 3(8), 816 - 822(2016). doi:10.1364/OPTICA.3.000816<br />Over the last decade, the development of ultrafast laser pulses in the mid-infrared (MIR) region has led to important breakthroughs in attosecond science and strong-field physics. However, as most such broadband MIR laser sources are near-IR pumped, the generation of high-intensity, long-wavelength MIR pulses is still a challenge, especially starting from picosecond pulses. Here we report, both experimentally and numerically, nonlinear pulse compression of sub-millijoule picosecond pulses down to sub-300 fs at 2050 nm wavelength in gas-filled Kagome-type hollow-core photonic crystal fibers for driving MIR optical parametric amplifiers. The pump laser is comprised of a compact fiber laser-seeded 2 μm chirped pulse amplification system based on a Ho:YLF crystal at 1 kHz repetition rate. Spectral broadening is studied for different experimental conditions with variations of gas pressure and incident pulse energies. The spectrally broadened 1.8 ps pulses with a Fourier-limited duration of 250 fs are compressed using an external prism-based compressor down to 285 fs and output energy of 125 μJ.<br />Published by OSA, Washington, DC
Details
- Language :
- English
- ISSN :
- 23342536
- Database :
- OpenAIRE
- Journal :
- Optica, Optica, Optical Society of America-OSA Publishing, 2016, 3 (8), pp.816-822, Optica 3(8), 816-822 (2016). doi:10.1364/OPTICA.3.000816
- Accession number :
- edsair.doi.dedup.....9e0ff79ed5df1020003f4a2314541f07