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Summary form only given. In summary, we have successfully demonstrated a variety of methods to dramatically increase the bandwidth of Ti:sapphire chirped-pulse laser amplification systems. These methods have been used to generate amplified pulses as short as 18 fs. Additionally, we have simultaneously amplified and compressed two femtosecond pulses separated by as much as 100 nm in wavelength.
Summary form only given. In 1992, it was demonstrated that hard X-rays can be produced in the high-intensity, >10/sup 18/ W/cm/sup 2/, focus of a relatively low energy, /spl sim/40 mJ, ultrashort pulse laser system. Measurements of X-ray yield through various filter materials provided a crude spectrum of the X-rays and indicated that the majority of the X-ray flux was at energies suitable for diagnostic...
Summary form only given. In this paper, we present results of a three-stage Ti:sapphire laser amplification system that is designed to produce 1J pulses of 15 fs in duration. To date, the first two stages of amplification have produced 18 fs, 4 TW pulses at a repetition rate of 50 Hz and an average power 4 W. To our knowledge, these intermediate results represent the shortest terawatt pulses, the...
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