FREGAT-TW 1240 nm, 100 mJ, 10 Hz, 100 fs complete table-top Cr:F TW system

FREGAT-TW table-top femtosecond Cr:F TW-level system
FREGAT-TW table-top femtosecond Cr:F TW-level system
FREGAT-TW table-top femtosecond Cr:F TW-level system
FREGAT-TW table-top femtosecond Cr:F TW-level system

This experimental setup has been jointly developed and commissioned by our company for JIHT’s Moscow Femtosecond Laser Center in 2003. The system provides experimental access to laser radiation with peak power >1 TW at 1240 nm wavelength with pulse duration less than 100 fs. The system is a Cr:F CPA multi-stage femtosecond amplifier with full set of diagnostics and accessories.

The system assists its user in getting prominent results in THz science:

Generation of 0.9-mJ THz pulses in DSTMS pumped by a Cr:Mg2SiO4 laser

High efficiency THz generation in DSTMS, DAST and OH1 pumped by Cr:forsterite laser

Products in this installation

CrF
Ultrafast solid-state mode-locked laser system based on unique chromium-forsterite medium. The system is used to provide tunable femtosecond laser radiation around 1250 nm.
Pulse duration 35...140 fs
Tuning range 1230-1270 nm
Output power up to 800 mW
Pulse energy up to 20 nJ
Pulse repetition rate 30/96 MHz
FREGAT
A family of commercial femtosecond solid-state chromium-forsterite amplifiers with 1240 nm output.
Wavelength 1240 nm
Pulse energy from 50 uJ to 30 mJ
Pulse repetition rate up to 1 kHz
Pulse duration <120 fs
FREGAT-TW table-top femtosecond Cr:F TW-level system
FREGAT-TW
Terawatt-level solid-state femtosecond laser system based on chromium-doped forsterite active crystals with peak pulse power up to 2 TW, provides ultra-high light intensity at 1240 nm and harmonics for unique research capabilities.
Pulse duration <85 fs
Wavelength 1240 nm
Peak power up to 2 TW
Pulse repetition rate 10 Hz
OG-B/F
Electro-optic pulse picker systems with fixed gate open time are used to select single pulses from a train of femtosecond pulses for numerous applications. The systems are also used for injection/ejection purposes in an ultrafast laser amplifier system, as well as for amplifier contrast improvement.
Possible operating wavelength range 200...2700 nm
Max. output rep. rate up to 1 MHz
Rise time down to 700 ps
Clear aperture up to 20 mm
Contrast ratio >1500:1

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