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Laser Support Services, the UK supplier of Avesta products, is pleased to offer a range of amplifiers suitable for integration with a number of our pulsed laser products.

Products


Avesta FREGAT Cr:Forsterite regenerative amplifier
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Avesta FREGAT Cr:Forsterite regenerative amplifier

The FREGAT family of Cr:Forsterite femtosecond amplifiers are based on unique active medium and radiate fs pulses around 1230-1240 nm. The system includes pulse stretcher, regenerative amplifier, synchronization and delay generator, pulse compressor, seed oscillator with fiber pump laser and amplifier pump laser.

  FREGAT-200 FREGAT-600 FREGAT-1000
Pulse duration, fs <120 < 120 < 120
Wavelength, nm 1240 1240 1240
Energy, mJ > 0.2* > 0.6* > 1.0*
Pump energy
(1064 nm, <200 ns), mJ
10 35 50
Repetition rate, Hz 1000 10, 50, 100 10, 50
* - depends on the pump laser

 


Avesta TETA Yb regenerative amplifier
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Avesta TETA Yb regenerative amplifier

The TETA is an Yb solid-state laser system. The system comprises a built-in fiber seed oscillator, fiber pulse stretcher, Faraday isolator, CPA-based regenerative amplifier with direct diode pumping, additional pulse picker and pulse compressor.

  TETA-X
Central wavelength (fixed) 1030±5 nm*
Pulse repetition rate up to 100 kHz**
Output pulse energy >200 µJ @ 10 kHz (TETA-10)
Average output power >5 W @ 100 kHz (TETA-100)
Pulse duration <300 fs***
M2 <1.3
Beam diameter (1/e2) 4.5 mm
Stability <1% rms
Contrast ratio >103:1 @ 10 ns
>103:1 @ 1 ps
>106:1 @ 5 ps
>5x107:1 @ 10-20 ps
>5x107:1 @ ASE
Output polarization horizontal
Spatial mode TEMoo
Dimensions of optical head (WxLxH) 200x518x360 mm
Cooling The package includes closed-loop water chiller
* - second, third and fourth harmonics are available upon request.
** - please specify the upper limit with order.
*** - down to 30 fs pulse durations are available upon request.

 


Avesta MATEKO Ti:Sapphire multipass amplifier
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Avesta MATEKO Ti:Sapphire multipass amplifier

The MATEKO femtosecond amplifier is designed to provide mJ-level output by amplifying pulses from a Ti:Sapphire or fiber ultrafast seed oscillator. The amplification ratio in such a system is more than 10^6, and occurs in a Ti:Sapphire crystal during several passes while pumping by a Q-switched 515-532 nm laser. The hybrid system comprises two amplifiers: a regenerative stage and a multipass stage, thus enabling higher pulse energies.

 

MATEKO-40F1K

MATEKO-40F10
(-40F15)

Pulse duration*

<40 fs

Central wavelength

800±15 nm (fixed)

Repetition rate

1 kHz**

0...10 Hz (variable);
0...15 Hz (variable)

Pulse energy*

>5 mJ

>10 mJ

Beam diameter (1/e2)

10 mm

8 mm

Stability

<1.0% rms

<2.5% rms

Contrast ratio at 10 ns

>104:1** / 200:1

>104:1

Contrast ratio at <10 ns

>103:1 @ 1 ps
>106:1 @ 5 ps
>5x107:1 @ 10-20 ps
>5x107:1 @ ASE

M2

<1.3

Spatial profile

TEMoo

Output polarization

linear, horizontal

Optical head dimensions

1500x1000x220 mm

1200x900x220 mm

* - upon request: 30...120 fs systems; up to 500 mJ TW systems;
** - an additional pulse slicer may be added to the unit. This improves the contrast ratio and allows the repetition rate to be adjusted from single-shot to the maximum repetition rate of the amplifier.


Avesta REUS Ti:Sapphire regenerative amplifier
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Avesta REUS Ti:Sapphire regenerative amplifier

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.

 

REUS-40F1K

REUS-40F10
(-40F20, -40F50)

REUS-40F100

REUS-40F3K

Pulse duration <40* fs
Output pulse energy  >2 mJ >2 mJ >1.5 mJ >0.15 mJ
Repetition rate** 1 kHz 10, 20 or 50 Hz 100 Hz 3 kHz
Beam diameter (1/e2) 8 8 8 5
Stability <1% rms <2.5% rms <2.5% rms <2.0% rms
Central wavelength

800±15 nm (fixed)

M2 

<1.3

Contrast ratio

>104:1** / >200:1 @ 10 ns
>103:1 @ 1 ps
>106:1 @ 5 ps
>5x107:1 @ 10-20 ps
>5x107:1 @ ASE

Spatial profile

TEM00

Output polarization

linear, horizontal

Optical head dimensions

1200x900x220 mm

Water cooling

closed-loop water chiller is included

* - 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 adjusted from single-shot to the maximum repetition rate of the amplifier.

 


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