G Heinzel et al 2003 Class. Quantum Grav. 20 S153 doi:10.1088/0264-9381/20/10/318
G Heinzel1, C Braxmaier2, R Schilling1, A Rüdiger1, D Robertson3, M te Plate4, V Wand1, K Arai5, U Johann2 and K Danzmann1
Show affiliationsThe interferometer of the LISA technology package (LTP) on SMART-2 is needed to verify the performance of the gravitational sensors by monitoring the distance between two test masses with a noise level of 10 pm Hz−1/2 between 3 mHz and 30 mHz. It must continuously track the motion of the test mass distance while that distance changes by many µm with a speed of up to 20 µm s−1, without losing track of the sign of the motion and without exerting any influence on the test masses that might lead to a motion above that level. As a result of a detailed comparison study, a heterodyne Mach–Zehnder interferometer was selected as the baseline for the SMART-2 mission. Its design and expected performance are described in this paper.
78A60 Lasers, masers, optical bistability, nonlinear optics (See also 81V80)
Issue 10 (21 May 2003)
Received 7 November 2002, in final form 14 February 2003
Published 28 April 2003
G Heinzel et al 2003 Class. Quantum Grav. 20 S153
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