A highly sensitive pressure sensor based on two Mach-Zender interferometers is described. The interferometer measuring and reference channels are made of single-mode W-lightguides. The measured sensitivity was shown experimentally to be 65•10-2dB•Pa-1•m-1.
A highly sensitive pressure sensor based on two Mach-Zender interferometers is described. The interferometer measuring and reference channels are made of single-mode W-lightguides. The measured sensitivity was shown experimentally to be 65•10-2dB•Pa-1 m-1.
A highly sensitive pressure sensor based on two Mach-Zender interferometers is described.The interferometer measuring and reference channels are made of single-mode W-lightguides.The measured sensitivity was shown experimentality to be 65.10-2 dB.Pa-1.m-1.
The present paper describes novel technique of optical fiber sensing on the basis of Mach-Zehnder interferometer. Proposed technique was realized in the sound pressure sensor. It has been demonstrated experimentally that the sensitivity of the developed sensor is equal to 12 Pa per 1 m length of w-lightguide in the measuring channel.
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