Compact, highly sensitive optical gyros and sensors with fast-light

Caleb A. Christensen; Anton Zavriyev; Malcolm Cummings; A. Craig Beal; Mark Lucas; Michael Lagasse

doi:10.1117/12.2190164

1 September 2015 Compact, highly sensitive optical gyros and sensors with fast-light

Caleb A. Christensen, Anton Zavriyev, Malcolm Cummings, A. Craig Beal, Mark Lucas, Michael Lagasse

Proceedings Volume 9616, Nanophotonics and Macrophotonics for Space Environments IX; 96160N (2015) https://doi.org/10.1117/12.2190164
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Fast-light phenomena can enhance the sensitivity of an optical gyroscope of a given size by several orders of magnitude, and could be applied to other optical sensors as well. MagiQ Technologies has been developing a compact fiber-based fast light Inertial Measurement Unit (IMU) using Stimulated Brillouin Scattering in optical fibers with commercially mature technologies. We will report on our findings, including repeatable fast-light effects in the lab, numerical analysis of noise and stability given realistic optical specs, and methods for optimizing efficiency, size, and reliability with current technologies. The technology could benefit inertial navigation units, gyrocompasses, and stabilization techniques, and could allow high grade IMUs in spacecraft, unmanned aerial vehicles or sensors, where the current size and weight of precision gyros are prohibitive. By using photonic integrated circuits and telecom-grade components along with specialty fibers, we also believe that our design is appropriate for development without further advances in the state of the art of components.

Citation Download Citation

Caleb A. Christensen, Anton Zavriyev, Malcolm Cummings, A. Craig Beal, Mark Lucas, and Michael Lagasse "Compact, highly sensitive optical gyros and sensors with fast-light", Proc. SPIE 9616, Nanophotonics and Macrophotonics for Space Environments IX, 96160N (1 September 2015); https://doi.org/10.1117/12.2190164

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KEYWORDS

Gyroscopes

Waveguides

Sensors

Signal attenuation

Photonic integrated circuits

Fiber lasers

Laser scattering

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