研究目的
Investigating the application of photonic integrated interrogators in a fiber-optic sensing system for monitoring patients during MRI scans.
研究成果
The fabricated structures with 50 GHz and 75 GHz AWG met design assumptions, and the application of built-in SOA increased signal by 10 dB. The signal reflected from an FBG was successfully reconstructed, demonstrating the potential for monitoring strain changes on MRI beds due to patient breath movements.
研究不足
The majority of commercially available photonic interrogators are bulky, with significant disadvantages such as large dimensions, bulky design, and considerable power consumption.
1：Experimental Design and Method Selection:
The study compares two main approaches to interrogate FBG-based sensors, focusing on the first approach using a broadband optical signal.
2：Sample Selection and Data Sources:
Utilizes multiple fiber Bragg grating (FBG) based sensors.
3：List of Experimental Equipment and Materials:
Includes integrated interrogators manufactured using generic InP technology, with variations in design and the number of wavelength channels.
4：Experimental Procedures and Operational Workflow:
Involves a series of experiments to confirm design assumptions, including the use of built-in semiconductor optical amplifier (SOA) to increase signal.
5：Data Analysis Methods:
Performance parameters of all devices were compared to determine the most promising solution.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
