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The HYPUS ™ - HYPer Spectral Ultrafast Source
OPA-free technology
Derived from the broadband few-cycle input in an "OPA-free" manner HYPUS offers 6 optically synchronized simultaneous channels spanning from 200 nm in UV to 12 um in mIR with more than 5 uJ energy at each channel.
Channel | Tuning range | Energy, uJ | Pulse duration, fs | Generation method |
|---|---|---|---|---|
(1) UV | <200 nm - 450 nm | 5-10 uJ | <6 fs | Resonant Dispersive Wave |
(2) Visible | 450 nm - 650 nm | >100 uJ | 10 fs and 50 fs options | Second Harmonic Generation |
(3) nIR | 750 nm - 1300 nm | 1300 uJ | 7 fs | Spectral Broadening |
(4) nIR telecom | 1.4 um - 1.8 um | 5 uJ | 150 fs | Idler Generation |
(5) mIR | 3 um - 4.5 um | 5-17 uJ | 90 fs | Difference Frequency Generation |
(6) mIR | 4.5 um - >12 um | 13-25 uJ | 100 fs | Difference Frequency Generation |
Contact us for the detailed information!
OPA Technology
FOPA: Frequency Domain Optical Parametric Amplification
Employing multiple, individually tunable nonlinear crystals in the Fourier plane means:
- Simultaneous upscaling of peak power & spectral bandwidth.
- Gain tailoring by spatial pump beam shaping.
- Upscaling not limited by crystal aperture.
- Transform limited ps pulses in Fourier plane.
- No extra stretcher / compressor required.
- Only “small” gratings required in the 4f setup.
- Can be pumped by stretched Ti:Sa pulses or ps Yb lasers.
Deep UV pulse shaping
Decomposing a broadband pulse into single wavelengths prior to nonlinear interaction:
- Reduces intensity.
- Avoids mixing of wavelenghts.
- Permits linear transfer of arbitrairy phase functions.
- Enables deep UV pulse shaping down to 207nm - just with a conventional shaper prior to the Ti:Sa amplifier.
High power IR-OPA
- Based on Ti:Sa laser pump sources
- 5 cycle pulses, 10 mJ, 1.8 µm wavelength
(a): spectrum of the unamplified OPA Idler in red and spectrum of the amplified Idler (1.8 µm) in black.
(b): autocorrelation trace of the OPA output in red and the amplified IR pulses (1.8 µm) in black.
“10 mJ 5-cycle pulses at 1.8 µm through optical parametric amplification”, Appl. Phys. Lett. 106, 091110 (2015).
High power few-cycle IR pulses for ATTO-Science
- Based on Ti:Sa laser pump sources
- 2 cycle pulses, 5 mJ, 1.8 µm wavelength
Fiber input and output pulses.
(a) Spectrum of the multi-cycle input pulse in red compared with the spectrum at a pressure 300 mTorr at the exit side in shaded blue.
Inset: CCD images of the input pulse focal spot (up) and of the output pulse collimated at 2 m after the fiber.
(b) Autocorrelation trace of the multi-cycle input pulse in red and of the compressed 2-cycle pulse. Dotted lines denote a Gaussian fit.
"0.42 TW 2-cycle pulses at 1.8 µm via hollow-core fiber compression”, Appl. Phys. Lett. 107, 181101 (2015).