White Dwarf HE – tunable high enery lasers for scientific applications
Few-cycle OPCPA for fundamental research
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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
Introduction
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 | < 120 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 | 1.2 µJ |
| Repetition rate | 40 – 200 kHz | 100 kHz | 100 kHz | 100 kHz | 100 kHz | 0.1 – 1 MHz |
| 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
FAQ
Publications
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February 1, 2021Optical 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)
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May 10, 2019A 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.
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March 2, 2020Dual 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
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May 15, 2020Dual-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.
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March 5, 2021High power 9 μm source for spectroscopy and HHG, Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 116700X (2021)
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February 21, 2020High power CEP-stable OPCPA at 800nm,” Proc. SPIE 11259, Solid State Lasers XXIX: Technology and Devices, 112591L
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April 5, 2022Prakriti P. Joshi, Ruiyu Li, … and Sarah B. King, Nanoimaging of the Edge-Dependent Optical Polarization Anisotropy of Black Phosphorus, Nano Lett. 2022, 22, 8, 3180–3186
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October 19, 2023Chlouba, T., Shiloh, R., Kraus, S. et al. Coherent nanophotonic electron accelerator. Nature 622, 476–480 (2023)





