Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 34: Axionen I

T 34.4: Talk

Tuesday, March 26, 2019, 16:45–17:00, S09

Status of ALPS IIa and lessons learned for ALPS II — •Richard Smith for the ALPS collaboration — DESY, Hamburg

ALPS IIa is a smaller-scale testbed of the 2 x 100m long ALPS II experiment. ALPS IIa uses two 10 m long optical cavities to develop and test the length and alignment sensing and control schemes needed for ALPS II. The experience gained is currently used to guide the design of ALPS II. This talk will provide an update on the status of ALPS IIa, some examples of solutions to challenges encountered, and the projected performance of ALPS II.