Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser
Implementation of edge-filter detection for interrogating optical interferometric ultrasonic sensors is often hindered by the lack of cost-effective laser sources with agile wavelength tunability and good noise performance. The detected signal can also be affected by optical power variations and loc...
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MDPI AG
2024-11-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/11/11/1063 |
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| author | Mohammed Alshammari Ming Han |
| author_facet | Mohammed Alshammari Ming Han |
| author_sort | Mohammed Alshammari |
| collection | DOAJ |
| description | Implementation of edge-filter detection for interrogating optical interferometric ultrasonic sensors is often hindered by the lack of cost-effective laser sources with agile wavelength tunability and good noise performance. The detected signal can also be affected by optical power variations and locking-point drift, negatively affecting the sensor accuracy. Here, we report the use of laser single-sideband generation with a dual-parallel Mach–Zehnder interferometer (DP-MZI) for laser wavelength tuning and locking in edge-filter detection of fiber-optic ultrasonic sensors. We also demonstrate real-time in situ calibration of the sensor response to ultrasound-induced wavelength shift tuning. The DP-MZI is employed to generate a known wavelength modulation of the laser, whose response is used to gauge the sensor response to the ultrasound-induced wavelength shifts in real time and in situ. Experiments were performed on a fiber-optic ultrasonic sensor based on a high-finesse Fabry–Perot interferometer formed by two fiber Bragg gratings. The results demonstrated the effectiveness of the laser locking against laser wavelength drift and temperature variations and the effectiveness of the calibration method against optical power variations and locking-point drift. These techniques can enhance the operational robustness and increase the measurement accuracy of optical ultrasonic sensors. |
| format | Article |
| id | doaj-art-370b862bfbad4bdeb45b7c9b0188bba9 |
| institution | OA Journals |
| issn | 2304-6732 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
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| series | Photonics |
| spelling | doaj-art-370b862bfbad4bdeb45b7c9b0188bba92025-08-20T02:27:36ZengMDPI AGPhotonics2304-67322024-11-011111106310.3390/photonics11111063Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated LaserMohammed Alshammari0Ming Han1Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48823, USADepartment of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48823, USAImplementation of edge-filter detection for interrogating optical interferometric ultrasonic sensors is often hindered by the lack of cost-effective laser sources with agile wavelength tunability and good noise performance. The detected signal can also be affected by optical power variations and locking-point drift, negatively affecting the sensor accuracy. Here, we report the use of laser single-sideband generation with a dual-parallel Mach–Zehnder interferometer (DP-MZI) for laser wavelength tuning and locking in edge-filter detection of fiber-optic ultrasonic sensors. We also demonstrate real-time in situ calibration of the sensor response to ultrasound-induced wavelength shift tuning. The DP-MZI is employed to generate a known wavelength modulation of the laser, whose response is used to gauge the sensor response to the ultrasound-induced wavelength shifts in real time and in situ. Experiments were performed on a fiber-optic ultrasonic sensor based on a high-finesse Fabry–Perot interferometer formed by two fiber Bragg gratings. The results demonstrated the effectiveness of the laser locking against laser wavelength drift and temperature variations and the effectiveness of the calibration method against optical power variations and locking-point drift. These techniques can enhance the operational robustness and increase the measurement accuracy of optical ultrasonic sensors.https://www.mdpi.com/2304-6732/11/11/1063fiber-optic sensorFabry–Perot interferometerfiber Bragg gratingultrasoundsingle-sideband modulationmicrowave optics |
| spellingShingle | Mohammed Alshammari Ming Han Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser Photonics fiber-optic sensor Fabry–Perot interferometer fiber Bragg grating ultrasound single-sideband modulation microwave optics |
| title | Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser |
| title_full | Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser |
| title_fullStr | Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser |
| title_full_unstemmed | Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser |
| title_short | Wavelength Locking and Calibration of Fiber-Optic Ultrasonic Sensors Using Single-Sideband-Modulated Laser |
| title_sort | wavelength locking and calibration of fiber optic ultrasonic sensors using single sideband modulated laser |
| topic | fiber-optic sensor Fabry–Perot interferometer fiber Bragg grating ultrasound single-sideband modulation microwave optics |
| url | https://www.mdpi.com/2304-6732/11/11/1063 |
| work_keys_str_mv | AT mohammedalshammari wavelengthlockingandcalibrationoffiberopticultrasonicsensorsusingsinglesidebandmodulatedlaser AT minghan wavelengthlockingandcalibrationoffiberopticultrasonicsensorsusingsinglesidebandmodulatedlaser |