The design of a high flux VUV beamline for low energy photons
arXiv:1406.1665 · doi:10.1088/1674-1137/39/4/048001
Abstract
A VUV beamline at SSRF for ARPES measurements are designed. To increase the resolution and bulk sensitivity, the photon energy as low as 7 eV is desired. Because the reflectivity for p-polarized photons strongly decreases when the photon energy is below 30 eV, the design of high flux beamline for low energy VUV photons is a challenge. This work shows a variable including angle VLPGM with varied grating depth (VGD) which can achieve both high resolution and high flux with broad energy coverage.
arXiv commentsubmitted to Chinese Physics C