Ti:Sapphire Regenerative Amplier REUS0 pages
Amplifiers
Ti:Sapphire Regenerative Amplifier REUS
• Compact single-box design
• >2 mJ/pulse at 1 kHz
• Can be upgraded to higher energies
• <40 fs pulse duration
• High beam quality
• Excellent beam pointing and long-term power stability
Ti:Sapphire regenerative amplifier REUS
Product overview
The REUS family of amplifiers comprise a femtosecond seed oscillator (TiF-20F or fiber EFOA-SH), stretcher, Faraday
isolator, Pockels cell with control and synchronization unit, regenerative amplifier, pulsed amplifier pump laser and compressor.
The system may be equipped with an additional Pockels cell for contrast improvement. The cell enables the user to get “pulse-ondemand” operation and reduce the repetition rate to the required values. All elements are gathered into a single box on a thick
breadboard, thus providing reliable and stable generation and hands-free operation. Upon customer request the system can be
upgraded to deliver up to 500 mJ per pulse by adding further stages of multipass power amplifiers (with reducing the repetition
rate to 10 or 15 Hz).
The REUS amplifier family is an ideal source for femtosecond micromachining systems, terahertz imaging, OPA pumping,
remote sensing and ultrafast spectroscopy.
REUS technical specifications
REUS-40F10
REUS-40F100
REUS-40F3K
(-40F20, -40F50)
<40* fs
>2 mJ
>2 mJ
>1.5 mJ
>0.15 mJ
1 kHz
10, 20 or 50 Hz
100 Hz
3 kHz
8
8
8
5
<1% rms
<2.5% rms
<2.5% rms
<2.0% rms
800±15 nm
<1.3
4
>10 :1** / >200:1 @ 10 ns
>103:1 @ 1 ps
>106:1 @ 5 ps
>5x107:1 @ 10-20 ps
>5x107:1 @ ASE
TEM00
linear, horizontal
1200x900x220 mm
the system includes a closed-loop water chiller
REUS-40F1K
Pulse duration
Output pulse energy
Repetition rate**
Beam diameter (1/е2)
Stability
М2
Contrast ratio
Spatial mode
Output polarization
Dimensions
Water cooling
* - custom pulse duration from 30 to 120 fs is available upon request;
** - an additional pulse slicer may be added to the unit. This improves the contrast ratio and allows the repetition rate to be ad-
Avesta Ltd., Laboratory Building, P. N. Lebedev Physical Institute,
Troitsk, 142190, Moscow, Russia
Tel: +7 495 967-94-73; +7 495 851-00-78
Fax: +7 495 646-04-95
e-mail: fs@avesta.ru
www.avesta.ru