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Explore advanced optical sensing technologies in this 38-minute lecture covering interferometric and fiber-optic approaches to micro sensing applications. Learn about interferometer configurations for micro sensors, including detailed coverage of Michelson's interferometer principles and implementation in sensing systems. Examine Mach-Zehnder interferometer designs and their specific advantages in micro sensing applications. Discover optical fiber-based sensor technologies specifically designed for extreme cryogenic temperature measurements and their unique operational characteristics. Master the fundamentals of Fiber Bragg grating sensors and their applications in precision micro sensing, understanding how these advanced optical components enable highly sensitive measurements in microscale environments.
