{"title":"XUV \/ Soft X-ray Instruments","description":"\u003cp\u003eXUV and soft X-ray instruments by UltraFast Innovations: XUV phase retarders (AURORA), flat-field spectrometers (EVEREST), pulse delay units (K2), and high-harmonic-generation sources (NEPAL). Coverage from 6 eV to 1240 eV.\u003c\/p\u003e","products":[{"product_id":"ufi-aurora","title":"AURORA — XUV Phase Retarder \/ Quarter Waveplate (10-85 eV)","description":"\u003cp\u003e\u003cstrong\u003eAURORA is an XUV phase retarder that converts linearly-polarized extreme-ultraviolet (XUV) radiation into circularly or elliptically polarized light.\u003c\/strong\u003e It provides a compact and efficient solution for polarization control across a wide range of XUV applications.\u003c\/p\u003e\n\u003cp\u003eThe retarder uses a transmission-optimized, four-mirror grazing-incidence reflection geometry that induces a quarter-wave phase offset between s- and p-polarization components of a linearly-polarized input XUV beam. AURORA exhibits negligible dispersion and supports broad spectral operation. It is remotely controllable and vacuum-compatible.\u003c\/p\u003e\n\u003cp\u003eThe outstanding dispersion properties and minimal change to the delay line make AURORA perfectly suited for ultrafast and attosecond XUV sources, including high-harmonic generation (HHG) beamlines. The supported energy ranges include important absorption edges of transition metals (Fe, Co, Ni), enabling magnetic circular dichroism (MCD) experiments in materials science.\u003c\/p\u003e\n\u003ch3\u003eKey Product Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eXUV quarter waveplate: generates circularly-polarized XUV without added dispersion — ideal for attosecond experiments\u003c\/li\u003e\n\u003cli\u003eUp to ~40% max transmission (40-85 eV version) \/ ~30% (10-40 eV version)\u003c\/li\u003e\n\u003cli\u003eTwo spectral-range versions: \u003cstrong\u003eLow-energy 10-40 eV\u003c\/strong\u003e and \u003cstrong\u003eHigh-energy 40-85 eV\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact design with minimum change in the delay line\u003c\/li\u003e\n\u003cli\u003eEntrance and exit iris diaphragms for alignment\u003c\/li\u003e\n\u003cli\u003eVacuum-compatible, remotely controllable\u003c\/li\u003e\n\u003cli\u003eEasy to implement in existing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Notes — Magnetic Circular Dichroism\u003c\/h3\u003e\n\u003cp\u003eAURORA is the perfect tool for attosecond magnetic circular dichroism (MCD) experiments. As demonstrated in Siegrist et al. \u003cem\u003eNature\u003c\/em\u003e 571 (2019), AURORA was used to provide high ellipticity and transmission at the Nickel M-edge (~66-68 eV), enabling element-specific tracking of coherent ultrafast spin dynamics in multilayer systems. The working range also covers M-edges of Fe (52.7 \/ 58.9 eV) and Co (59.9 eV) for further studies.\u003c\/p\u003e\n\u003ch3\u003eReferences\u003c\/h3\u003e\n\u003col\u003e\u003cli\u003eSiegrist F., Gessner J.A., Ossiander M. et al. Light-wave dynamic control of magnetism. \u003cem\u003eNature\u003c\/em\u003e \u003cstrong\u003e571\u003c\/strong\u003e, 240-244 (2019)\u003c\/li\u003e\u003c\/ol\u003e\u003cp style=\"font-size:0.875rem;color:#6b7280;\"\u003e\u003cem\u003eDeveloped at the Max-Planck-Institute of Quantum Optics. UFI is a spin-off from LMU Munich and the Max Planck Society.\u003c\/em\u003e\u003c\/p\u003e","brand":"UltraFast Innovations","offers":[{"title":"Default Title","offer_id":48038546866330,"sku":null,"price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/UFI_AURORA_7c604290-fdfd-406f-ad0a-1108b746867e.jpg?v=1778991320"},{"product_id":"ufi-everest","title":"EVEREST — Soft X-ray \/ XUV \/ VUV Spectrometer (1-200 nm, 6-1240 eV)","description":"\u003cp\u003e\u003cstrong\u003eEVEREST is a flat-field grazing-incidence spectrometer that provides aberration-corrected imaging for precise characterization of radiation in soft X-ray, XUV, and VUV spectral ranges.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIts compact, flexible design supports measurements with or without an entrance slit, allowing users to maximize either spectral resolution or light collection efficiency. An integrated filter holder accommodates thin metallic filters for spectral selection and allows easy switching between experimental configurations.\u003c\/p\u003e\n\u003cp\u003eEVEREST is an invaluable diagnostic tool for coherent and incoherent XUV sources, including high-harmonic generation (HHG) and laser-plasma sources, as well as general metrology and spectroscopy in the VUV and soft X-ray range.\u003c\/p\u003e\n\u003ch3\u003eKey Product Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat-field grazing-incidence spectrograph\u003c\/li\u003e\n\u003cli\u003eWavelength coverage with single gratings:\u003cul\u003e\n\u003cli\u003eSoft X-ray: 1-6 nm (206-1240 eV)\u003c\/li\u003e\n\u003cli\u003eXUV: 5-20 nm \/ 20-80 nm (62-248 eV \/ 15-62 eV)\u003c\/li\u003e\n\u003cli\u003eVUV: 50-200 nm (6-25 eV)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperation with and without entrance slit\u003c\/li\u003e\n\u003cli\u003eIntegrated filter holder for metallic bandpass filters\u003c\/li\u003e\n\u003cli\u003eCompatible pressure range \u0026lt; 10⁻⁶ mbar\u003c\/li\u003e\n\u003cli\u003eFlexible detector choice: X-ray CCD camera (13.5 µm or 26 µm pixel) or MCP camera system\u003c\/li\u003e\n\u003cli\u003eUser-friendly alignment, acquisition and analysis software\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptional Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlit-less operation and various geometry adapters\u003c\/li\u003e\n\u003cli\u003eOil-free pump system available for stand-alone vacuum operation\u003c\/li\u003e\n\u003cli\u003eBeam-profiler mode — use EVEREST to characterize spatial intensity distribution of HHG or laser-plasma sources\u003c\/li\u003e\n\u003cli\u003eIn-vacuum switching between gratings (2-4)\u003c\/li\u003e\n\u003cli\u003eExtended wavelength ranges upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReferences\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eM. Behrens et al., \u003cem\u003eRev. Sci. Instrum.\u003c\/em\u003e \u003cstrong\u003e95\u003c\/strong\u003e, 093101 (2024)\u003c\/li\u003e\n\u003cli\u003eD. Walke et al., \u003cem\u003eOpt. Express\u003c\/em\u003e \u003cstrong\u003e33\u003c\/strong\u003e, 10006 (2025)\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp style=\"font-size:0.875rem;color:#6b7280;\"\u003e\u003cem\u003eDeveloped at the Max-Planck-Institute of Quantum Optics. UFI is a spin-off from LMU Munich and the Max Planck Society.\u003c\/em\u003e\u003c\/p\u003e","brand":"UltraFast Innovations","offers":[{"title":"Default Title","offer_id":48038546931866,"sku":null,"price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/UFI_EVEREST_515fa7d7-f3d1-4600-ab22-861f3d26e823.jpg?v=1778991322"},{"product_id":"ufi-k2","title":"K2 — XUV \/ IR Pulse Delay Unit (Customizable Double-Mirror)","description":"\u003cp\u003e\u003cstrong\u003eK2 is a XUV\/IR pulse delay unit that uses UFI's XUV\/soft-X-ray multilayer double mirrors.\u003c\/strong\u003e The coating can be customized for the desired XUV\/soft-X-ray energy range and reflective properties.\u003c\/p\u003e\n\u003cp\u003eThe unit provides high-precision femtosecond-resolved delay between an XUV (or soft X-ray) pulse and a co-propagating IR pulse — essential for pump-probe experiments in attosecond science, photoemission spectroscopy, and time-resolved XUV-IR cross-correlation.\u003c\/p\u003e\n\u003ch3\u003eKey Product Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCustomizable XUV\/soft-X-ray multilayer double-mirror coating\u003c\/li\u003e\n\u003cli\u003eIndependent delay control for XUV and IR arms\u003c\/li\u003e\n\u003cli\u003eFemtosecond-resolution delay scanning\u003c\/li\u003e\n\u003cli\u003eVacuum-compatible\u003c\/li\u003e\n\u003cli\u003eCompact form factor for integration into existing beamlines\u003c\/li\u003e\n\u003cli\u003eCustom coating designs available for specific XUV\/SXR energy ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAttosecond XUV-IR pump-probe spectroscopy\u003c\/li\u003e\n\u003cli\u003eRABITT experiments\u003c\/li\u003e\n\u003cli\u003eTime-resolved photoemission\u003c\/li\u003e\n\u003cli\u003eHigh-harmonic-generation studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:0.875rem;color:#6b7280;\"\u003e\u003cem\u003eDeveloped at the Max-Planck-Institute of Quantum Optics. UFI is a spin-off from LMU Munich and the Max Planck Society.\u003c\/em\u003e\u003c\/p\u003e","brand":"UltraFast Innovations","offers":[{"title":"Default Title","offer_id":48038546997402,"sku":null,"price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/UFI_K2_1b85dbc3-d9e3-40be-813b-a9d3bce29854.jpg?v=1778991324"},{"product_id":"ufi-nepal","title":"NEPAL — Coherent Ultrabroadband XUV\/Soft X-ray Light Source (HHG)","description":"\u003cp\u003e\u003cstrong\u003eNEPAL is a turnkey high-harmonic-generation (HHG) setup that produces XUV \/ soft X-ray pulses\u003c\/strong\u003e by focusing a (short) femtosecond laser into a gas medium.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003eKey Product Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoherent ultrabroadband XUV \/ soft X-ray light source\u003c\/li\u003e\n\u003cli\u003eHHG-based — phase-matched gas target\u003c\/li\u003e\n\u003cli\u003eCompatible with kHz to MHz repetition-rate driver lasers\u003c\/li\u003e\n\u003cli\u003eCustomizable for Ti:Sa, Yb-based, or OPCPA driver systems\u003c\/li\u003e\n\u003cli\u003eEnergy range: XUV (~10-100 eV) to soft X-ray (extending to water-window with appropriate driver)\u003c\/li\u003e\n\u003cli\u003eIncludes gas-jet target, focusing optics, and XUV beam transport\u003c\/li\u003e\n\u003cli\u003eIntegrates with UFI accessories: EVEREST (spectrograph), AURORA (phase retarder), K2 (delay unit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAttosecond pulse generation\u003c\/li\u003e\n\u003cli\u003eHHG spectroscopy\u003c\/li\u003e\n\u003cli\u003eTime-resolved photoemission (tr-PES)\u003c\/li\u003e\n\u003cli\u003eXUV transient absorption\u003c\/li\u003e\n\u003cli\u003eElement-specific magnetism \/ dichroism\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:0.875rem;color:#6b7280;\"\u003e\u003cem\u003eDeveloped at the Max-Planck-Institute of Quantum Optics. UFI is a spin-off from LMU Munich and the Max Planck Society.\u003c\/em\u003e\u003c\/p\u003e","brand":"UltraFast Innovations","offers":[{"title":"Default Title","offer_id":48038547062938,"sku":null,"price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/UFI_NEPAL_06389e71-8866-4f86-87e9-927a6281d42b.jpg?v=1778991326"}],"url":"https:\/\/waveqvanta.com\/collections\/wq-ultrafast-instruments-xuv-soft-xray-instruments.oembed","provider":"WaveQuanta","version":"1.0","type":"link"}