OPTICAL FIBER SENSOR BASED TRANSPORTABLE ACTIVE SEISMIC SURVEY

What does active mean in active optical fiber cable

An AOC cable is a type of interconnect that uses optical fiber media inside the cable, but the transceivers (optical–electrical conversion) are integrated into its ends. Active Optical Cable is an expansion of standard fiber cabling that takes advantage of fiber-optic technology to transmit audio/video signals more effectively and efficiently than existing copper solutions.

Fiber optic sensor working principle is based on

A fiber-optic sensor is a that uses either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a remote sensor to the electronics that process the signals ("extrinsic sensors").

Fiber intensity modulation type sensor

Intensity modulation-based polymer optical fiber (POF) RI sensors have a lot of advantages including low cost, easy fabrication and operation, good flexibility, and working in the visible wavelength. In this review, recent developments of the intensity modulation POF-based RI. A reflective intensity-modulated fiber-optic sensor based on microelectromechanical systems (MEMS) for pressure measurements is proposed and experimentally demonstrated. The sensor consists of two multimode optical fibers with a spherical end, a quartz tube with dual holes, a silicon sensitive. Intensity-modulated sensors were defined in Chapter 2 as sensors that detect the variation of the intensity of light associated with the perturbing environment.