Minitype F-P reflective index sensor of full optical fiber ring-type reflecting surface structure
A technology of a refractive index sensor and a reflective surface, applied in the field of optical sensing, can solve the problems that the contrast ratio of the Fibonacci cavity is easily affected by the light source, the long-period fiber grating is greatly affected by the bending, and the bare fiber is easily polluted, and achieves high reliability. , small size, simple effect
Inactive Publication Date: 2009-12-30
CHONGQING UNIV
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The invention discloses a minitype F-P reflective index sensor of a full optical fiber ring-type reflecting surface structure, which comprises a general mono-mode optical fiber, a large-core diameter hollow-core optical fiber and an optical fiber with a through hole at the center which are welded and fixed in succession; the large-core diameter hollow-core optical fiber and the optical fiber with the through hole at the center are communicated; the contact surface of the optical fiber with the through hole at the center and the large-core diameter hollow-core optical fiber forms the ring-shaped reflecting surface; the invention has the beneficial technical effects that the invention provides the novel reflective index sensor which is simple to manufacture, small in volume and high in measurement accuracy, and has wide application range and strong capability of resisting disturbance.
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Property | Measurement | Unit |
The inside diameter of | 10.0 ~ 100.0 | µm |
Outer diameter | 125.0 ~ 300.0 | µm |
The inside diameter of | 2.0 ~ 20.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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