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Journal Article

Characterization of photoreceivers for LISA

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Guzman Cervantes,  F.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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CQG_28_9_094010.pdf
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Citation

Guzman Cervantes, F., Livas, J., Silverberg, R., Buchanan, E., & Stebbins, R. (2011). Characterization of photoreceivers for LISA. Classical and quantum gravity, 28(9): 094010. doi:10.1088/0264-9381/28/9/094010.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-4174-5
Abstract
LISA will use quadrant photoreceivers as front-end devices for the phasemeter measuring the motion of drag-free test masses in both angular orientation and separation. We have set up a laboratory testbed for the characterization of photoreceivers. Some of the limiting noise sources have been identified and their contribution has been either measured or derived from the measured data. We have built a photoreceiver with a 0.5 mm diameter quadrant photodiode with an equivalent input current noise of better than 1.8 pA Hz−1/2 below 20 MHz and a 3 dB bandwidth of 34 MHz.