نتایج جستجو برای: chirped laser
تعداد نتایج: 184926 فیلتر نتایج به سال:
We report generation of millijoule-level Stokes (873, 961 nm) and anti-Stokes (738, 685, 639 nm) sidebands of 800 nm terawatt pulses by inserting a multistage Ba NO3 2 Raman shifter-amplifier into a conventional Ti:sapphire chirped-pulse amplification system. The Raman subsystem requires no additional pump lasers and does not compromise the energy, duration, or beam quality of the main 800 nm p...
Abstract The investigation of coherent dynamics induced by photoionization atoms or molecules extreme ultra-violet (XUV) attosecond laser pulses requires careful consideration the degree ion + photoelectron entanglement that results from process. Here, we consider H 2 vibrational neutral a chirped pulse. We show chirping pulse leads to and transition pure mixed state. This is characterized eval...
An ultrafast fiber chirped-pulse amplification laser system based on coherent combination of 16 ytterbium-doped rod-type amplifiers is presented. It generates 10 mJ pulse energy at 1 kW average power and 120 fs duration. A partially helium-protected, two-staged grating compressor implemented to maintain the close diffraction-limited beam quality by avoiding nonlinear absorption in air.
During a Workshop on Gamma-Gamma Colliders in Lawrence Berkeley Laboratory, it was pointed out that an 1μm laser that can produce 1-J, 1-ps pulses at a few hundred hertz is required. With high-power scalability and ease of formatting, an FEL can be a promising candidate for such a laser. We propose an FEL scheme based on chirped-pulsed regenerative amplification to achieve this high peak-power ...
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