Wireless Handheld Fiber Bragg Grating Demodulator
A fiber grating demodulation, hand-held technology, applied in the direction of instruments, using optical devices, using optical devices to transmit sensing components, etc., can solve the problems of measuring internal deformation, unable to meet the monitoring requirements of prefabricated building components, etc., and achieve stability Optimal, small size effect
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0027] like image 3 The wireless handheld fiber grating demodulator shown includes an optical circulator, a C-band spectral analysis unit, an SLED light source, a CPU and its control unit, an LCD display unit, a Flash data storage unit and a GPRS wireless transceiver unit.
[0028] The optical circulator has three ports, the first port is connected to the SLED light source, the second port is connected to an external sensor, and the third port is connected to the C-band spectrum analysis unit. The light emitted by the SLED light source enters the second port from the first port, and then the second port port into the third port. The isolation of the optical circulator is greater than 50dB. The CPU and its control unit, the SLED light source and the GPRS wireless transceiver...
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