Large ring laser gyroscopes: towards absolute rotation rate sensing

Robert B. Hurst; Nishanthan Rabeendran; Jon-Paul R. Wells; K. Ulrich Schreiber

doi:10.1117/12.2084349

9 January 2015 Large ring laser gyroscopes: towards absolute rotation rate sensing

Robert B. Hurst, Nishanthan Rabeendran, Jon-Paul R. Wells, K. Ulrich Schreiber

Proceedings Volume 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014); 944407 (2015) https://doi.org/10.1117/12.2084349
Event: International Seminar on Photonics, Optics, and Applications 2014, 2014, Sanur, Bali, Indonesia

Abstract

Ring laser gyroscopes have increased in sensitivity by six orders of magnitude over the last several decades such that they are poised to make valuable contributions to geodesy and terrestrial tests of general relativity. To fully exploit their capabilities, residual (time varying) read out errors arising from backscatter coupling must be physically minimized or otherwise compensated. We present the results of a backscatter correction process for a 12.25 m² gyroscope with a vast improvement in long term rotational sensitivity.

Citation Download Citation

Robert B. Hurst, Nishanthan Rabeendran, Jon-Paul R. Wells, and K. Ulrich Schreiber "Large ring laser gyroscopes: towards absolute rotation rate sensing", Proc. SPIE 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014), 944407 (9 January 2015); https://doi.org/10.1117/12.2084349

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