Author: Maxey, E.R.
Paper Title Page
THOA02 A New Traveling Interferometric Scheme for the APS Upgrade of the 2-ID Bionanoprobe 345
  • S.J. Bean, S. Chen, T. Graber, C. Jacobsen, B. Lai, E.R. Maxey, T. Mooney, C.A. Preissner, X. Shi, D. Shu, J. Tan, W. Wojcik
    ANL, Lemont, Illinois, USA
  Funding: Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility, operated for the DOE Office of Science by Argonne National Laboratory under Contract No.DE-AC02-06CH11357
The Advanced Photon Source (APS) at Argonne National Laboratory (ANL) is being upgraded to a multi-bend achromat (MBA) lattice storage ring which will increase brightness and coherent flux by several orders of magnitude. As part of this upgrade a total of 15 beamlines were selected to be enhanced to take advantage of the new source ’ these are designated as ’Enhanced Beamlines’. Among these is the enhancement to 2-ID, which includes an upgrade and move of the existing Bionanoprobe (BNP) from 9-ID [1]. This instrument will become the second generation Bionanoprobe II (BNP-II) with intent of studying cryogenic samples with sub-10 nm resolution. This upgrade requires a high performing metrology configuration and design to achieve the desired spatial resolution while adapting to the various constraints of the instrument. The cryogenic sample environment and detection constraints offer significant challenges for implementing a metrology scheme. In this paper we report on the new traveling interferometer configuration proposed for BNP-II.
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About • paper received ※ 29 July 2021       paper accepted ※ 13 October 2021       issue date ※ 29 October 2021  
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