The HIS14 HD VUV light source is ideally suited for ultraviolet photoelectron spectroscopy experiment which require small exitation area (ARPES) and high photon flux such as microscopy applications (PEEM).
The HIS 14 HD is an extended version of the well-established FOCUS HIS 13. The small spot of 300 μm makes the HIS 14 HD ideal for ARPES or PEEM applications where high flux densities into a small area are mandatory.
Robust water cooled design with direct-sight connection between the discharge area and the target for easy alignment.
A port aligner facilitates the positioning of the light spot on the sample in a range of ± 3°. For dedicated ARPES experiments there is an optional third pumping stage available for operation in the 10-10 mbar range. The focusing of the light spot down to 300 μm is realised with state of the art synchrotron beam line optics technology. The photo current into 300 μm spot is > 30 nA (biased Al foil).
The HIS 14 HD is mounted on a flange CF 63 ID (optional: CF 100 ID) and comes with an customised adaptor flange to adapt the HIS 14 HD to the customer's experiment (chamber drawing to be provided by the customer).
> 20 nA (biased Al foil, standard capillary)
He I/II, Ne I/II, Ar I/II, Kr I/II, Xe I/II, H (Lyα, Lyβ)
< 300 μm (FWHM; 5:1 demagnifying optics)
< 2 meV (He I radiation)
> 50 times compared to an unfocused source
CF 63 port aligner
2- or 3-stage differential pumping
Ca. 70 mm (clearance to measurement position)
Customised (to be defined)
DN 63 CF of DN 100 CF
Down to 10-10 mbar range
Via backside viewport
Up to 250 °C
0.8 / 1.2 / 1.7 (standard) / 2.2
For full specifications and more information about product options, please do not hesitate to contact your local sales representative.
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