- Tube Story
The IµS 3.0
Bruker AXS D8 VENTURE - Second Generation with two IμS 3.0: ultimate performance for chemical crystallography
Helium filled and sealed optics housing for Montel mirror
Quick-lock for easy alignment and serviceability
IµS 3.0 - Bright. Brighter. Unique.
With the launch of the Incoatec Microfocus Sources IµS in 2006 and the launch of the IµS High Brilliance in 2011, the story now continues with the 3rd generation of this superior X-ray source - the new IµS 3.0.
This time, the benchmark has been set even higher by designing a new tube, the Incoatec X-ray Tube IXT. This tube gives Incoatec the exclusive opportunity to offer the IμS with specifications which are not achievable with other microfocus sealed tubes on the market. Moreover, IμS 3.0 is not only a tube story. The mechanics, electronics and beam path have also been optimized for maximum convenience.
With a further increase in intensity of 30% and more, the IµS 3.0 is first available in the new Bruker AXS solutions for crystallography, the D8 VENTURE - Second Generation and D8 QUEST - Second Generation, both in single and dual source configurations.
- Incoatec´s X-ray Tube IXT - the first microfocus sealed tube optimized for crystallography
- Quick-lock concept: tube and optics changes can be carried out without realigning the whole instrument
- encapsulated optics housing filled with Helium and with pre-set Bragg angles
- beampath concept: source separated from optical beampath for easier alignment
- the whole tolerance chain has been reduced making adjustment easier
- new high voltage generator
Comparison of the mean flux density vs. pinhole diameters of the IμS 3.0 and the IμSHigh Brilliance, measured with a calibrated pin diode
Typical diffraction pattern from a micro-ylid crystal, recorded with a D8 VENTURE and a Mo-IμS 3.0.
The 30% gain in intensity leads to an improved fit for the structure refinement and to lower standard deviations for the structural model.
Technical details IµS and generator
|IµS||Generator 19 inch|
|Length||300 mm||High voltage||≤ 50 kV|
|Height||80 mm||Current||≤ 2000 µA|
|Width||80 mm||Power||≤ 80 W|
|Weight||5.1 kg||Weight||9.3 kg|
Specifications of the IμS 3.0 models
|Focal size (µm)||100||110||100|
|Flux (108 ph/s)||3.90||0.50||0.15|
|Flux density (109 ph/(s·mm2))||29.0||3.1||1.4|
Incoatec´s X-ray Tube IXT - the first microfocus sealed tube optimized for crystallography
Finite element analysis of the thermal load on the anode
Electron-optic ray-tracing optimization of the focal spot
Radiography (top) features high take-off angles in order to preserve resolution over a wide field of view. Diffraction (below) does not need a wide field of view, it only needs intense X-ray beams.
IXT - The Tube Story
For some time Incoatec has been designing its own tube family - the Incoatec X-ray Tube IXT.
IXT is the first microfocus sealed tube that is designed and optimized for crystallography, while most microfocus tubes on the market were designed primarily for radiography.
Higher intensities were achieved by a new tube design and the optimization of critical tube parts by changing cathode and anode parameters as well as geometries and take-off angles. An intense beam of X-rays is achieved by lowering the take-off angles and elongating the electron beam on the anode. This new tube technology gives Incoatec the exclusive opportunity to offer the IμS with specifications not achievable with other microfocus sealed tubes on the market.