UltraFast Innovations
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UltraFast Innovations
NEPAL — Coherent Ultrabroadband XUV/Soft X-ray Light Source (HHG)
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NEPAL is a turnkey high-harmonic-generation (HHG) setup that produces XUV / soft X-ray pulses by focusing a (short) femtosecond laser into a gas medium.
The system delivers coherent ultrabroadband XUV light suitable for ultrafast spectroscopy, photoemission experiments, and time-resolved XUV-pump / XUV-probe measurements. NEPAL covers from the XUV (10-100 eV) into the soft X-ray range depending on driver-laser configuration and gas selection.
Key Product Features
- Coherent ultrabroadband XUV / soft X-ray light source
- HHG-based — phase-matched gas target
- Compatible with kHz to MHz repetition-rate driver lasers
- Customizable for Ti:Sa, Yb-based, or OPCPA driver systems
- Energy range: XUV (~10-100 eV) to soft X-ray (extending to water-window with appropriate driver)
- Includes gas-jet target, focusing optics, and XUV beam transport
- Integrates with UFI accessories: EVEREST (spectrograph), AURORA (phase retarder), K2 (delay unit)
Applications
- Attosecond pulse generation
- HHG spectroscopy
- Time-resolved photoemission (tr-PES)
- XUV transient absorption
- Element-specific magnetism / dichroism
Developed at the Max-Planck-Institute of Quantum Optics. UFI is a spin-off from LMU Munich and the Max Planck Society.
| Models | NEPAL HHG Source |
|---|---|
| Light source | High-Harmonic Generation in gas medium |
| Photon energy range | ~10–100 eV (XUV); extendable to soft X-ray (water-window) |
| Driver compatibility | Ti:Sa, Yb-based, OPCPA — all femtosecond classes |
| Repetition rate | kHz to MHz (driver-dependent) |
| Spectral coverage | Ultrabroadband / customizable |
| Optional integrations | EVEREST spectrograph, AURORA retarder, K2 delay unit |
HHG photon energy depends on driver wavelength, intensity, gas medium and phase-matching conditions.
Custom geometries available for specific user requirements.
Source: UltraFast Innovations manufacturer datasheet. Download the brochure (PDF) from the Documents tab for full details.
No CAD drawings available for this product.
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Product Family: XUV / Soft X-ray Instruments (4 variants)
| Product | SKU | Size | Clear Aperture | Operating Wavelength | |
|---|---|---|---|---|---|
| NEPAL — Coherent Ultrabroadband XUV/Soft X-ray Light Source (HHG) Current |
| — | — | — | |
| K2 — XUV / IR Pulse Delay Unit (Customizable Double-Mirror) |
| — | — | — | Contact |
| EVEREST — Soft X-ray / XUV / VUV Spectrometer (1-200 nm, 6-1240 eV) |
| — | — | — | Contact |
| AURORA — XUV Phase Retarder / Quarter Waveplate (10-85 eV) |
| — | — | — | Contact |