HIS 14 HD: Focused high density VUV source

- Technical data -

  • Photon flux:……………………….. > 1016 photons/s · sr

  • Spot diameter:…………………. < 300μm (fwhm; 5:1 demagnifying optics)

  • Photon line width:…………….. < 2meV (HeI radiation)

  • Photon flux density:………….. > 50 times compared to an unfocused source

  • Photon flux regulation:……… Discharge current stabilization

  • Source allignment:……………. CF 63 port aligner

  • Pumping:……………………………. 2-stage differential pumping (3-stage optional)

  • Working distance:……………… ca. 70 mm (clearance to measurement position )

  • Insertion depth:……………….. Customized (to be defined)


Dimensions:




Example: HIS 14 HD mounted to an existing ARPES chamber



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