APL4206 series

High Energy Picosecond Amplifiers
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  • Diode pumped picosecond amplifiers
  • Up to 8 channels × ≥130 mJ output energy
  • 90 ps pulses
  • 1 kHz pulse repetition rate
  • Diode pumped picosecond amplifiers
  • Up to 8 channels × ≥130 mJ output energy
  • 90 ps pulses
  • 1 kHz pulse repetition rate

Features & Applications

Features

  • High pulse energy up to 1 kHz rate
  • Diode pumped solid state design
  • Cooled by supplied water-to-water chiller
  • Low maintenance costs
  • PC control via USB with supplied, LabVIEW™ drivers
  • Optional temperature stabilized second, third and fourth harmonic generators

Applications

  • Multiple stage OPCPA pumping
  • Non-linear optics
  • Other spectroscopic and nonlinear optics applications

Description

APL4200 series amplifiers are designed to produce multiple outputs of up to 130 mJ picosecond pulses at up to 1 kHz pulse repetition rate. Short pulse duration, excellent pulse-to-pulse stability, superior beam quality makes APL4200 series diode pumped picosecond amplifiers well suited for applications like multiple stage OPCPA pumping, non-linear optics and others.

Regenerative amplifier/Power amplifier design

APL4200 series amplifiers consist of regenerative and power amplifiers. System could be seeded by built-in picosecond oscillator or other ultrafast laser system. Pulses from regenerative amplifier are spatially shaped and amplified in double-pass amplifiers with thermally induced birefringence compensation. Advanced optical design ensures smooth, without hot spots beam spatial profile at the laser output. Low light depolarization level allows high efficiency generation of up to 4th harmonic with build-in harmonic generators. Repetition rate and timing of the pulses can be locked to the external RF source (with –PLL option) or other ultrafast laser system (with –FS option).

Simple and convenient laser control

For customer convenience the amplifier can be controlled through Laser Control software via USB interface (control PC included). Alternatively, the amplifier can be controlled from personal computer with supplied software for Windows™ operating system. LabVIEW™ drivers are supplied as well.

Build-in harmonic generators

Angle-tuned LBO and/or BBO crystals mounted in temperature stabilized heaters are used for second, third and fourth harmonic generation. Harmonic separation system is designed to ensure high spectral purity of radiation and direct it to the output ports.

Specifications

ModelAPL4206
MAIN SPECIFICATIONS 1)
Central wavelength1064 nm
Output energyup to 8 channels × ≥130 mJ
Pulse energy stability 2)≤ 1 %
Pulse duration (FWHM)90 ± 10 ps
Pulse repetition rate1 kHz
Spectral bandwidth≤ 1 cm⁻¹
Triggering modeexternal
Spatial modeTop-Hat
Beam divergence< 0.7 mrad
Beam diameter 3)~ 8 mm
Beam pointing stability 2)< 30 μrad
Beam local intensity fluctuation 4)< ±15 %
Deviation of spatial parameters between beams±10 %
Pre-pulse contrast 5)> 200:1
Polarization contrast> 100:1
Polarizationlinear, horizontal
PHYSICAL CHARACTERISTICS
Laser head size (W×L×H)1500 × 3000 × 400 mm (preliminary)
Power supply size (W×L×H)553 × 600 × 1200 mm – 1 unit
553 × 600 × 500 mm – 1 unit
OPERATING REQUIREMENTS
Warm up time< 30 min
Total water consumption< 20 l/min, 2 bar, 20 °C
Relative humidity20 – 80 % (non condensing)
Operating ambient temperature22 ± 2 °C
Mains voltage208, 380 or 400 V AC, three phases, 50/60 Hz
Power rating< 22 kVA
Cleanness of the roomISO Class 7 or 10000 as per U.S. Fed Std. 209 (5 VDI 2083, C GMP)
  1. With “-internal oscillator” and “-PLL” options.
  2. Rms, measured over 30 s.
  3. Beam diameter is measured at the 1/e² level.
  4. From the average intensity across 80 % of beam cross-section (or beam diameter measured at 1/e² level).
  5. Peak-to-peak in respect to residual pulses.

Performance

Publications

Found total :
1 article, 1 selected
Application selected :
All Applications
All Applications
Scientific Applications
High Intensity Sources – laser produced plasma, x-ray source
OPCPA Systems – optical parametric chirped pulse amplification system

53 W average power CEP-stabilized OPCPA system delivering 5.5 TW few cycle pulses at 1 kHz repetition rate

Related applications:  High Intensity Sources OPCPA Systems

Authors:  R. Budriūnas, T. Stanislauskas, J. Adamonis, A. Aleknavičius, G. Veitas, D. Gadonas, S. Balickas, A. Michailovas, A. Varanavičius

We present a high peak and average power optical parametric chirped pulse amplification system driven by diode-pumped Yb:KGW and Nd:YAG lasers running at 1 kHz repetition rate. The advanced architecture of the system allows us to achieve >53 W average power combined with 5.5 TW peak power, along with sub-220 mrad CEP stability and sub-9 fs pulse duration at a center wavelength around 880 nm. Broadband, background-free, passively CEP stabilized seed pulses are produced in a series of cascaded optical parametric amplifiers pumped by the Yb:KGW laser, while a diode-pumped Nd:YAG laser system provides multi-mJ pump pulses for power amplification stages. Excellent stability of output parameters over 16 hours of continuous operation is demonstrated.

Published: 2017.   Source: Optical Society of America | Vol. 25, No. 5 | 6 Mar 2017 | OPTICS EXPRESS 5799

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