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Q: Fachverband Quantenoptik und Photonik

Q 59: Poster IV

Q 59.72: Poster

Donnerstag, 9. März 2023, 16:30–19:00, Empore Lichthof

Simulations with IfoCAD for tilt-to-length coupling characterization in LISA — •Rodrigo García Álvarez, Megha Dave, Gerhard Heinzel, and Gudrun Wanner — Albert Einstein Institüt, Hannover, Germany

A major contributor of noise in LISA is the so-called tilt-to-length coupling (TTL). This is the path length signal noise induced by angular and lateral jitters in an interferometric setup. Various TTL noise simulations conducted using IfoCAD, an in-house interferometry analysis tool are presented. These simulations include TTL noise in the test mass interferometers and the inter-satellite interferometers, caused by the jitter of the transmitting and receiving spacecraft. The status of IfoCAD simulations using LISA's latest optical design is included.