Design of a 10 Hz Femto-Petawatt Laser Pumped by the Mercury Laser Facility

Bayramian, A.; Armstrong, James P.; Beer, G.; Campbell, Robert W.; Cross, Robert R.; Erlandson, A. C.; Freitas, B.L.; Kent, R.; Menapace, Joe; Molander, William A.; Schaffers, Kathleen I.; Siders, C. W.; Sutton, S.B.; Tassano, J.B.; Telford, S.; Wolfe, Justin; Ebbers, C.A.; Caird, J. A.; Barty, C. P. J.

doi:10.1364/assp.2008.mc1

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2009

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“…Such a laser would have a variety of applications in high-energy-density physics research [2]. We are currently building a system that will produce 33 J, 15 fs, near diffraction-limited pulses at 10 Hz [3]. When focused by a fast, off-axis parabola peak irradiances of 10 23 W/cm 2 can be achieved.…”

Section: Introductionmentioning

confidence: 99%

A Large-Bandwidth, Cylindrical Offner Pulse Stretcher for a High-Average-Power, 15 Femtosecond Laser

Molander

Bayramian

Campbell

et al. 2009

Advanced Solid-State Photonics

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We have designed and built an all-reflective pulse stretcher based on an Offner telescope. It uses cylindrical optics to simplify alignment and reduce aberrations. The stretch is ~1x10 5 with a bandwidth of 200 nm. The stretcher is to be part of a 10 Hz repetition rate, high-average-power, femtosecond laser. This new design compensates for dispersion in the laser by using gratings of different groove spacing in the stretcher and compressor and a spectral phase corrector plate, made by magneto-rheological finishing, within the stretcher.

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Section: Introductionmentioning

confidence: 99%