Beamline Phone Number:
+44 (0) 1235 778684
Principal Beamline Scientist:
Dr Gianfelice Cinque
Tel: +44 (0) 1235 778410
E-mail: gianfelice.cinque@diamond.ac.uk
Email: robert.rambo@diamond.ac.uk
Tel: +44 (0)1235 56 7675
Please note: these are the design specifications. Potential users should contact the B22 beamline team to discuss current capabilities.
B22 has two end stations, dedicated to confocal IR micro-spectroscopy and IR imaging. Being designed for optimum performance from the near- to the far-IR, a suite of single and array detectors equip the end stations to cover the whole IR range. The wide range of applications call for a versatile suite of sample environments and sampling methods coupled with off-line facilities for sample preparation and handling as well as data analysis.
| Parameter | Design | |
| Spectral range | 10000 to 20 cm-1 | 10000 to 5 cm-1 |
| Wavelength range | 1 µm to 500 µm | 1 µm to 2000 µm |
| Energy range | 1.2 eV to 2.4 meV | 1.2 eV to 0.6 meV |
| Spectral resolution | 0.2 cm-1 | 0.07 cm-1 |
| | | |
| Max photon flux at beamline exit normalized to Diamond storage ring at 300 mA | 4.9·1013 ph/sec 0.1%bw @ λ=2 µm 3.2·1013 ph/sec 0.1%bw @ λ=10 µm 1.7·1013 ph/sec 0.1%bw @ λ=100 µm | 3.8·1013 ph/sec 0.1%bw @ λ=2.1 µm 3·1013 ph/sec 0.1%bw @ λ=10.87 µm |
| Max photon flux at the sample normalized to Diamond storage ring at 300 mA | 1.2·1013 ph/sec 0.1%bw @ λ=2 µm 7.9·1012 ph/sec 0.1%bw @ λ=10 µm 4.2·1012 ph/sec 0.1%bw @ λ=100 µm | 9.2·1012 ph/sec 0.1%bw @ λ=2.1 µm 8.1·1012 ph/sec 0.1%bw @ λ=10.8 µm |
| 8.5·1011 ph/sec 0.1%bw @ λ=2 mm 5·0.1011 ph/sec 0.1%bw @ λ=10 mm 3·1011 ph/sec 0.1%bw @ λ=100mm | 9·1011 ph/sec 0.1%bw @ λ=2.1 mm 7.5·1011 ph/sec 0.1%bw @ λ=10.8 mm | |
| Beam size at the sample | 2 to 20 μm for microscopy | 3 to 15 μm by 36x objective |
| 2 to 100 μm for imaging | 35 μm expanded spot 74x obj. & 20x cond. in transmission for imaging | |
| Beam stability at the sample | ± 0.1 µm | < 0.05 µm rms of vis beam centroid |
| < 0.1 µm long term drifts | <1 µm sample stage thermal drift | |
| ≤0.05% rms noise/signal on 100% T line | Achieved both in the FTIR sample chamber and under the microscope | |
| Source | | |
| Bending Magnet | Field 1.4 T (λc = 1.48 Å) | Yes |
| 10%-90% DB/Bmax in 273 mm | Yes | |
| Dipole aperture | 50 mrad (H), 30 mrad (V) | Yes |
| -10, +40 mrad (H), -15, +15 mrad (V) | Yes | |
| Optics | | |
| Front-end optics | 1st plane mirror, 2nd focusing mirror | Yes |
| Focusing 1:2.25 vertical periscope | Yes | |
| Cabin optics | 3rd focusing mirror, 4th plane mirror | Yes |
| Focusing 4.69:1 vertical periscope | Yes | |
| Adjustable optics | 7 adjustable (with 2 removable dichroic mirrors) on 2 optical tables | Per end station 12 mirrors: 1 triple optics and 3 mirrors, motor-controlled |
| SR matching to FTIR and optical feedback for beam instabilities | Not necessary |
Please note: Potential users should contact the B22 beamline team to discuss current capabilities.
Diamond Light Source is the UK's national synchrotron science facility, located at the Harwell Science and Innovation Campus in Oxfordshire.
Copyright © 2022 Diamond Light Source
Diamond Light Source Ltd
Diamond House
Harwell Science & Innovation Campus
Didcot
Oxfordshire
OX11 0DE
Diamond Light Source® and the Diamond logo are registered trademarks of Diamond Light Source Ltd
Registered in England and Wales at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom. Company number: 4375679. VAT number: 287 461 957. Economic Operators Registration and Identification (EORI) number: GB287461957003.
Soft Condensed Matter
Macromolecular
Soft Condensed 
Imaging and
Biological
Magnetic
Structures and
Crystallography 
Spectroscopy