dispersion

Understanding Optical Fiber Sensors: Principles and Requirements

by
Understanding Optical Fiber Sensors: Principles and Requirements

1. Basic Working Principle of Optical Fiber Sensors The national standard GB 7665-1987 defines a sensor (Transducer/Sensor) as a device or apparatus that can sense a specified measurement and convert it into a usable output signal according to certain rules. The basic working principle of an Optical Fiber Sensor (OFS) is illustrated in the figure … Read more

Y6T50 Optical Module Reception and DSP Processing

by
Y6T50 Optical Module Reception and DSP Processing

Following yesterday’s discussion, coherent reception involves receiving signals with different polarizations and phases.We expect the ADC sampling to yield results as shown in the figure below, with four phases for one polarization state on the left and four phases for another polarization state on the right, clean and clear, as shown in Figure 1.However, in … Read more