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HOLLOW OPTICAL WAVEGUIDE, PRESSURE SENSOR, AND PRODUCTION METHOD OF HOLLOW OPTICAL WAVEGUIDE
HOLLOW OPTICAL WAVEGUIDE, PRESSURE SENSOR, AND PRODUCTION METHOD OF HOLLOW OPTICAL WAVEGUIDE
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机译：空心光学波导，压力传感器和空心光学波导的生产方法
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摘要
To enable measurement of strain of an object to be measured to be extensively performed and to reduce the effect of environmental temperature variation.SOLUTION: A pressure sensor comprises: a light generation section 11 which generates light; a hollow optical waveguide 12 which the light enters and which is composed of a material deformable by external pressure, is deformed by pressure due to strain of an object to be measured 14a externally contacting therewith, and changes an intensity of the light passing through a hollow core part 121 depending on an intensity of the pressure; and a light intensity measurement section 13 which measures the intensity of the light passing through the hollow optical waveguide 12 and utilizes the intensity of the light to calculate the pressure due to the strain of the object to be measured 14a. For example, the hollow optical waveguide 12 is composed of the core part 121 including air and a clad part 122 made of a flexible silicon-based material.SELECTED DRAWING: Figure 1
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