New OSEM results using a displacement-doubling prism-based flag

Document #:

LIGO-G1601136-v1

Document type:

G - Presentations (eg Graphics)

Abstract:

The suspension systems for future Gravitational Wave (GW) detectors require an improved level of immunity to sources of mechanical perturbation of their suspended test-masses. The displacement sensors used to mitigate such perturbations (OSEMs) need to be upgraded for improving their performance in frequency range less than 1 Hz. The conceptual design of displacement shadow sensors utilising a 'displacement doubling prism' [1] is presented.

References: 1) N.A. Lockerbie, Nucl. Instrum. Meth. A, 741 (2014) 192–195.

Files in Document:

• Strath_poster_Elba-2016_n.pdf (1.7 MB)

Topics:

• Suspensions
• Sensing and Control

Authors:

• Nick Lockerbie
• Kirill Tokmakov
• Sharat Jawahar

Keywords:

Suspension shadow displacement sensors OSEM