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Four Point Probe Micro-Optical Gyroscope With Self Calibration Control

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4 Author(s)
Mitatha, S. ; Hybrid Computing Research Laboratory, Department of Computer Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand ; Sirawattananon, C. ; Ali, J. ; Yupapin, P.P.

A new Micro-optical gyroscope system with self-calibration is proposed, in which a gyroscope network is developed using a four point probe sensor. This system is composed of a modified add/drop filter known as a PANDA ring resonator, which is connected as a star network. The changes in delay time of light in the three-dimensional rotation motions can be observed using each of sensing nodes. By using the central control, the self-calibration of each node can be performed and managed by the comparison of signals in the right- and left-hand side rings ( R_{r} and R_{l} ). The proposed system is mathematically analyzed and simulated. The obtained simulation results of the rotating signals around the y , x , and z axes are given by the delay times between the output1 and output2 with 2, 3, and 6 attosecond, respectively. The rotation orbit as a function of the initial rotation rate \Omega based on the Sagnac effects is achieved. The experimental simulation results are also obtained by using the practical design method (Opti-wave) and discussed in details.

Published in:

Sensors Journal, IEEE  (Volume:13 ,  Issue: 7 )