Optomechanical Inertial Sensors - INSPIRE

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Optomechanical Inertial Sensors

May 2, 2020

8 pages

Published in:

Appl.Opt. 59 (2020) 22, G167-G174

Published: Jun 30, 2020

e-Print:

2005.03456 [physics.ins-det]

DOI:

10.1364/AO.393061 (publication)

View in:

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Abstract: (OSA Publishing)

We present a performance analysis of compact monolithic optomechanical inertial sensors that describes their key fundamental limits and overall acceleration noise floor. Performance simulations for low-frequency gravity-sensitive inertial sensors show attainable acceleration noise floors on the order of 1×10−11m/s2Hz. Furthermore, from our performance models, we devised an optimization approach for our sensor designs, sensitivity, and bandwidth trade space. We conducted characterization measurements of these compact mechanical resonators, demonstrating mQ-products at levels of 250 kg, which highlight their exquisite acceleration sensitivity.

Fused silica
Laser interferometry
Optical components
Power spectral density
Sensor performance
Sensors
noise
detector: design
performance
sensitivity

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