ADVA Optical Networking has patented a method for interrogating optical sensors in an optical path by feeding time-shifted optical signals and detecting reflected signals to determine physical parameters like temperature or humidity. The method involves assigning correct frequencies to signals and analyzing physical conditions for accurate sensing. GlobalData’s report on ADVA Optical Networking gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on ADVA Optical Networking, Data center optical networking was a key innovation area identified from patents. ADVA Optical Networking's grant share as of January 2024 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Interrogating optical sensors using time-shifted signals for environmental parameters
A recently granted patent (Publication Number: US11852512B2) discloses a method and device for interrogating optical sensors within an optical path to detect physical parameters such as temperature, humidity, or pressure. The method involves feeding optical probe signals with differing frequencies to the optical path, detecting reflected signals from the sensors, and determining the parameter values based on the optical reflection signals, their frequencies, and the reflectivity characteristics of the sensors. By introducing time shifts and using known delay information, the system accurately assesses the sensed parameter values. The device includes an optical transmitter, receiver, and control unit to carry out the method effectively, ensuring precise measurement and analysis of the physical conditions affecting the optical sensors.
Furthermore, the patent details various configurations and techniques for creating and modulating optical probe signals to optimize the interrogation process. By utilizing digital optical signals, complex amplification factors, IQ modulation, and Mach-Zehnder modulators, the system ensures equal power distribution among the probe signals for accurate detection. The method also involves calculating assessment dependencies, translating frequency shifts, and determining parameter values based on correlation peaks and known calibration processes. The device's design allows for simultaneous creation of probe signals without time shifts or the generation of identical images with differing frequencies, enhancing the efficiency and accuracy of the interrogation process. Overall, the patented technology offers a comprehensive solution for interrogating optical sensors and accurately determining physical parameters based on the reflected optical signals and sensor characteristics.
To know more about GlobalData’s detailed insights on ADVA Optical Networking, buy the report here.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
