한국광학회:학술대회논문집 (Proceedings of the Optical Society of Korea Conference)
- 한국광학회 1999년도 제16회 광학 및 양자전자 학술발표회Proceedings of 16th Optics and Quantum Electronics Conference, 1999
- /
- Pages.226-227
- /
- 1999
Erbium 첨가 광섬유 광원을 사용하는 자이로스코프에서 광원 과잉잡음 소거에 의한 측정감도 개선
Sensitivity improvement of fiber-optic gyroscope with erbium-doped fiber source by source excess noise subtraction
초록
In the fiber-optic gyroscope employing the erbium-doped fiber source, the source excess noise was subtracted through a signal processing to improve the gyroscope sensitivity . As the result, we obtained the improvement of 14 dB(electrical) at the proper frequency, which was measured from the noise floor spectrum . In addition the random walk coefficient in the gyro output was reduced by about factor of three.
키워드