White Dwarf HE

Few-cycle OPCPA for fundamental research
  • high average power up to 30 W
  • few-cycle pulse durations below 10 fs
  • wavelength versions from 800 nm up to 9 µm
  • optional CEP stability
  • pumped by industry-grade Yb-amplifiers with up to 300 W and 3 mJ
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Introduction

Few-cycle OPCPA for fundamental research

The White Dwarf HE OPCPA is a high-performance laser system with few-cycle pulse durations available with different central wavelengths ranging from 800 nm to 9 µm.

We offer ultrafast, high-power and high-repetition rate laser systems to push new frontiers in ultrafast science. Our main technology platform are robust optical parametric chirped pulse amplifiers (OPCPA) delivering femtosecond pulses at extreme power for extreme wavelengths from UV to mid-IR. The White Dwarf HE series is specially designed and engineered to drive secondary light sources such as high harmonics generation (e.g. the Moonlander-HHG) or THz generation.

Features

High average power

up to 30 W average power at high repetition rates

Passive CEP stability

Intrinsic carrier-envelope-stability for highest-precision attosecond science

Wavelength from UV to mid-IR

Systems available from 200 – 10.000 nm

Robustness and compactness

Industrial grade pump lasers based on Yb-technology

Specs

WD-HE-Attodriver WD-HE-800 WD-HE-1500 WD-HE-2000 WD-HE-3000 WD-HE-MIR
Central wavelength 800 nm 800 nm 1500 nm 2000 nm 3000 nm 9000
Pulse duration FWHM < 10 fs < 10 fs < 40 fs < 40 fs < 80 fs < 35 fs
Average power 6 W 25 W 35 W 25 W 15 W 3 W
Pulse energy compressed  up to 150 µJ 250 µJ 350 µJ 250 µJ 150 µJ 3 µJ
Repetition rate 40 – 200 kHz 100 kHz 100 kHz 100 kHz 100 kHz 100 kHz
Beam quality M2 < 1.3 < 1.3 < 1.5 < 1.5 < 1.5 < 1.5
Power stability 12 hrs < 1% < 1% < 1.5 % < 1.5 % < 1.5 % < 1.5 %
Dimensions (OPCPA) 80 cm x 120 cm 80 cm x 120 cm 80 cm x 120 cm 80 cm x 120 cm 80 cm x 120 cm 80 cm x 120 cm
Pump laser incl. 80 W* 300 W 300 W 300 W 300 W 300 W

*integrated in OPCPA-box

Performance

Applications

Downloads

FAQ

Do you offer additional wavelength options?

Yes, we can customize the White Dwarf HE to meet your requirements. Please conact our sales team for futher information.

Do you include the pump laser?

Yes, the Yb-based pump laser is included in our package. We collaborate with the main providers of Yb-based pump lasers to pump our OPCPAs.

Can I use the White Dwarf HE to drive the Moonlander HHG source?

In our Moonlander HHG source the driving laser is directly included and we consult about the best driver wavelength, pulse duration and power.

Publications

  • February 1, 2021
    Optical properties of Li-based nonlinear crystals for high power mid-IR OPCPA pumped at 1 µm under realistic operational conditions,” Opt. Mater. Express 11, 231-239 (2021)
    https://doi.org/10.1364/OME.414478
  • May 10, 2019
    A high power (11 W), tunable (1.45–1.65 µm) OPCPA for THz generation in organic crystals, in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2019), paper STh3E.3.
    https://doi.org/10.1364/CLEO_SI.2019.STh3E.3
  • March 2, 2020
    Dual channel laser system with gap-less tuning from 250-1300 nm at megahertz repetition rates for time-resolved photoelectron-emission microscopy and spectroscopy,” Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 1126415
    https://doi.org/10.1117/12.2546247
  • May 15, 2020
    Dual-channel laser system with gap-less tuning from 250 – 1300 nm at megahertz repetition rates for time-resolved photoelectron-emission microscopy and spectroscopy, Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America, 2020), paper JW2F.22.
    https://doi.org/10.1364/CLEO_AT.2020.JW2F.22
  • March 5, 2021
    High power 9 μm source for spectroscopy and HHG, Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 116700X (2021)
    https://doi.org/10.1117/12.2576133
  • February 21, 2020
    High power CEP-stable OPCPA at 800nm,” Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 112591L
    https://doi.org/10.1117/12.2546254

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