Generation of 287 W, 5.5 ps pulses at 78 MHz repetition rate from a cryogenically cooled Yb:YAG amplifier seeded by a fiber chirped-pulse amplification system. Journal Article uri icon



  • We generate linearly polarized, 287 W average-power, 5.5 ps pulses using a cryogenically cooled Yb:YAG amplifier at a repetition rate of 78 MHz. An optical-to-optical efficiency of 41% is obtained at 700 W pump power. A 6 W, 0.4 nm bandwidth picosecond seed source at 1029 nm wavelength is constructed using a chirped-pulse fiber amplification chain based on chirped volume Bragg gratings. The combination of a fiber amplifier system and a cryogenically cooled Yb:YAG amplifier results in good spatial beam quality at large average power. Low nonlinear phase accumulation as small as 5.1 x 10(-3) rad in the bulk Yb:YAG amplifier supports power scalability to a > 10 kW level without being affected by self-phase modulation. This amplification system is well suited for pumping high-power high-repetition-rate optical parametric chirped-pulse amplifiers.

publication date

  • November 1, 2008

has restriction

  • closed

Date in CU Experts

  • November 15, 2013 1:57 AM

Full Author List

  • Hong KH; Siddiqui A; Moses J; Gopinath J; Hybl J; Ilday FO; Fan TY; K√§rtner FX

author count

  • 8

citation count

  • 13

Other Profiles

International Standard Serial Number (ISSN)

  • 0146-9592

Electronic International Standard Serial Number (EISSN)

  • 1539-4794

Additional Document Info

start page

  • 2473

end page

  • 2475


  • 33


  • 21