ARAMIS hard X-ray beamline
- hard X-ray FEL, λ=0.1-0.7 nm
- linear polarization, variable gap, in-vacuum undulators
- first users 2017
- operation modes: SASE & self seeded
For the ARAMIS beamline, two experimental stations are active and one under construction, namely:
- experimental station Alvra
- experimental station Bernina
- experimental station Cristallina (under construction)
Photon Source Parameters
Hard X-ray
FEL mode
SASE
Photon energy range / wavelength range
1.8 - 12.4 [eV]
Spectral Bandwidth FWHM / %
0.2 - 2 [%]
Tunability
15 [%]
Beam shape
Gaussian
Pulse duration FWHM
100 [fs]
Pulse Duration Min Max
50 - 100 [fs]
Pulse repetition rate
25 [Hz]
Maximum pulse energy
600 [mJ]
Peak power
6 * 1012 [W]
Additional Lightsources
ALVRA Pump Laser
Laser type
Ti:Sapphire fundamental laser (800 nm).
Tunability within the range 240 nm – 2.5 micron (OPA with additional nonlinear conversion options).
The numbers reported here are for the fundamental (Ti:Sa).
Tunability within the range 240 nm – 2.5 micron (OPA with additional nonlinear conversion options).
The numbers reported here are for the fundamental (Ti:Sa).
Central Wavelength/Energy
800 [nm]
Wavelength fluctuations
0.1 [%]
Spectral Bandwidth FWHM
795 - 805 [nm]
Beam shape
Gaussian
Pulse duration FWHM
35 [fs]
Polarisation
Linear Horizontal
Other polarisation
Linear Vertical, Circular
Pulse repetition rate
100 [Hz]
Maximum pulse energy
20 [mJ]
Peak power
5 * 1011 [W]
Optics
X-ray optics
Angle Of Incidence Of Light On Sample
any
Diagnostics
Intensity monitors
Monochromator
Yes
Mirrors
Active
Yes
Focal Length
1.5 - 4 [m]
Spot Size Hor
1 [um]
Spot Size Vert
1 [um]
Type
Toric
Endstations or Setup
ALVRA Flex
Sample
Sample Type
Crystal, Liquid
ALVRA Prime
Description
Alvra Prime is a chamber designed to use a range of techniques, including serial femtosecond crystallography (SFX), X-ray scattering (XDS), and X-ray absorption and emission spectroscopy (XAS and XES) over the full SwissFEL hard X-ray photon energy range of 2-12.4 keV.
Spectrometer
Short focal length crystals (25 cm) X-ray emission spectrometer in a dispersive von Hamos geometry.
Base Pressure
1 * 10-4 [mbar]
Detectors Available
Alvra JUNGFRAU 16M
Alvra JUNGFRAU 4.5M
Alvra JUNGFRAU 4.5M
Endstation Operative
Yes
Sample
Sample Type
Crystal, Liquid
Mounting Type
1) Liquid jet for chemistry:
- Flat jet (100, 200 and 300 µm) with gear or peristaltic pump
- Round jet (20-100 µm) with HPLC pump
2) LCP viscous injector (50-100 µm)
3) GDVN injectors tested in chamber
4) Solid samples
- Flat jet (100, 200 and 300 µm) with gear or peristaltic pump
- Round jet (20-100 µm) with HPLC pump
2) LCP viscous injector (50-100 µm)
3) GDVN injectors tested in chamber
4) Solid samples
Sample Environment
Description
Alvra Prime is chamber that can be operated under vacuum, He, or neutral atmosphere
Pressure (min)
1 * 10-4 [mbar]
Pressure (Max)
1 [bar]
Temperature
300 [K]
Detectors
Alvra JUNGFRAU 16M
Type
32 modules pixel detector
Description
JUNGFRAU is a novel, two-dimensional pixel detector for high performance photon science applications at free electron lasers (FEL) and synchrotron light sources.
Multi-module systems up to 16 Mpixels, i.e. consisting of 32 modules, have been produced.
Each module is formed by an array of 2 × 4 chips, which comprises 256 × 256 pixels
Multi-module systems up to 16 Mpixels, i.e. consisting of 32 modules, have been produced.
Each module is formed by an array of 2 × 4 chips, which comprises 256 × 256 pixels
Pixel Size
X = 75 [um], Y = 75 [um]
Array Size
X = 4608 [pixel], Y = 4608 [pixel]
Detection
Detected Particle
Photon
Alvra JUNGFRAU 4.5M
Type
9 modules pixel detector
Description
JUNGFRAU is a novel, two-dimensional pixel detector for high performance photon science applications at free electron lasers (FEL) and synchrotron light sources.
Multi-module systems up to 16 Mpixels, i.e. consisting of 32 modules, have been produced.
Each module is formed by an array of 2 × 4 chips, which comprises 256 × 256 pixels
Multi-module systems up to 16 Mpixels, i.e. consisting of 32 modules, have been produced.
Each module is formed by an array of 2 × 4 chips, which comprises 256 × 256 pixels
Pixel Size
X = 75 [um], Y = 75 [um]
Array Size
X = 9216 [pixel], Y = 512 [pixel]
Detection
Detected Particle
Photon
Support Laboratories
Chemical Lab
Description
Lab for sample preparation.