Optical amplifier PicoFlux Custom

multi-channelpicosecond

The PicoFlux Custom series are multichannel custom picosecond amplifiers designed and manufactured for multi-stage OPCPA pumping. These systems can be tailored to customer requirements, offering up to 8 pumping channels with different wavelength, energy, pulse duration, spatial and temporal profiles, adjustable delay, image translation to specified locations, and various other features. Their short pulse duration, excellent pulse-to-pulse stability, and superior beam quality make them suitable for a wide range of scientific and industrial applications.

Features

• Flash lamp or diode pumped multi-channel PicoFlux systems
• Each channel can be tailored according to pumping requirements
• High energy PicoFlux version with variable burst
• Hybrid PicoFlux with fiber front-end and Yb:YAG amplifiers – 1 ps, 8 mJ output at 10 kHz
• 1 – 300 ps pulse duration
• From Single Shot to 10 kHz pulse repetition rate
• Internal or external seeding source
• Advanced beam shaping for high pulse energy
• Thermally induced birefringence compensated
• Low jitter synchronization pulses below 10 ps RMS jitter
• Vacuum image relay system
• Optional temperature stabilized second, third and fourth harmonic generators

Applications

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

Description
Multiple Channel PicoFlux series picosecond amplifiers are designed for multi-stage OPCPA pumping and can be customized for up to 8 pumping channels with different parameters. They offer short pulse duration, excellent stability, and superior beam quality. The regenerative amplifier/power amplifier design allows seeding by external or internal sources, with diode pumped regenerative amplifiers ensuring stable mJ level pulses. Advanced beam shaping ensures smooth spatial profiles, and low depolarization enables efficient harmonic generation. The full-fiber front-end, developed by Ekspla, introduces features like dual wave seeder and burst formation, and supports powerful, ultrafast Ytterbium amplifiers for broader scientific applications.

Delivered Systems

• Typical external view of PicoFlux P1301k-x4-SH laser system pumping OPCPA (ELI-ALPS, SYLOS2A system)

Options

• Custom pulse duration between 20 ps and 300 ps (available with internal and external seeder; shortening below 90 ps reduces output energy proportionally)
• 50 Hz or 100 Hz pulse repetition rate (energy can be increased ~4 times compared to 1 kHz systems)
• 2 kHz pulse repetition rate (reduces output energy of fundamental by ~50%)
• Gaussian like spatial beam profile (reduces output energy of fundamental by ~80%)
• External seeder input via motorized spectral broadening stage (requires >1.5 nJ per pulse @ 800 nm, 100 fs)
• Phase Lock Loop option for precise lock to external RF signal (electrical to optical signal jitter ≤ 3 ps)
• Second, third and fourth harmonic outputs (conversion efficiency from fundamental: ~50%, ~30%, ~10%; not simultaneous with fundamental output)
• Water-to-Air cooling (replaces or supplements Water-to-Water cooling unit; heat dissipation equals total power consumption)

Specifications

• Model variants: PicoFlux P2k10-x4, PicoFlux P1301k-x8, PicoFlux P1k100-Burst, PicoFlux P810k-1030
• Output energy (fundamental): up to 4 × 2200 mJ, 8 × 130 mJ, 1.4 J Burst (4×300 mJ + 4×50 mJ), 8 mJ @ 1030 nm
• SH output: up to 4 × 1400 mJ, 8 × 85 mJ
• TH output: up to 4 × 660 mJ, 8 × 50 mJ
• FH output: up to 4 × 220 mJ, 8 × 15 mJ
• Pulse repetition rate: 10 Hz, 1 kHz, 100 Hz, 10 kHz (depending on model)
• Pulse duration: 90 ± 10 ps (standard), 1 ± 0.2 ps (P810k-1030 model), customizable 20–300 ps
• Pulse energy stability (fundamental): ≤ 0.6%, ≤ 0.5%, ≤ 1%, ≤ 0.5% (model dependent)
• Long-term power drift: ±2%, ±1.5%
• Beam spatial profile: Super-Gaussian or Gaussian (model dependent)
• Beam diameter: ~23 mm, ~7 mm, ~11 & 5 mm, ~6 mm
• Beam pointing stability: ≤ 30 µrad, ≤ 20 µrad
• Beam divergence: ≤ 0.5 mrad
• Pre-pulse contrast: >200:1
• Optical pulse jitter (Trig out): ≤ 100 ps, ≤ 50 ps
• With PLL option: ≤ 2 ps
• Polarization: linear
• Laser head size (W×L×H mm): 1500 × 3600 × 500 (2 or 4 pc.), 700 × 2000 × 300, 900 × 1200 × 300
• Power supply size (W×L×H mm): 553 × 600 × 1800 (4 pc.), 553 × 952 × 600
• Umbilical length: 5 m, 2.5 m, 3 m
• Electrical power: 208, 380 or 400 V AC, three-phase, 50/60 Hz; or 208–240 VAC, single-phase, 50/60 Hz
• Power consumption: ≤ 40 kVA, ≤ 60 kW, ≤ 5 kW, ≤ 3.5 kW
• Water supply: ≤ 40 l/min, 2 Bar, max 15 °C; ≤ 5 l/min, ≤ 15 l/min
• Operating ambient temperature: 22 ± 2 °C
• Storage ambient temperature: 15–35 °C
• Relative humidity (non-condensing): ≤ 80%
• Cleanness of the room: ISO Class 7