Optical Fiber Sensors for High-Temperature Monitoring: A Review
This paper reviews the sensing principle, structural design, and temperature measurement performance of fiber-optic high-temperature sensors, as well as recent significant progress in the transition of
Smart Sensing and Sensor Development
Armstrong researchers are using NASA''s patented Fiber Optic Sensing System (FOSS) to develop an optical fiber network to monitor the structural health of a spacecraft''s thermal protection
Fiber Optic Sensor
Fiber optic sensors are defined as devices that utilize optical fibers to measure a variety of stimuli, including mechanical, thermal, electromagnetic, radiation, chemical, and flow characteristics. They
NASA TechPort
The proposed technology will provide for NASA a distributed and embedded in situ system for measurement of thermal protection system (TPS) temperature, strain, heat flux, and
NASA Technical Reports Server (NTRS) 20150017781: Development
A High Temperature Fiber Optic Sensor (HTFOS) has been developed at NASA Glenn Research Center for aircraft engine applications. After fabrication and preliminary in-house performance evaluation, the
FOSS (Fiber Optics Sensing System) at NASA AFRC -Overview
““Fiber optics real time monitoring of test results against analytical predictions was essential in the success of the full-scale test program.” “In areas of high strain gradients these techniques were
Advanced Optical Techniques for Sensing and Imaging in Harsh
The index of refraction of fiber changes under high temperatures, which could change the numerical aperture of the fiber and ruin or weaken the FBG structural integrity and signal strength.
AFRC Fiber Optic Sensing System
The tests conducted at NASA''s Glenn Research Center in Cleveland used Fiber Optic Sensing System (FOSS) developed by NASA''s Armstrong Flight Research Center, in Edwards, California, to measure
Fiber-optic sensor
A fiber-optic sensor is a sensor that uses optical fiber 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
Optical Power Meters & Sources
High-precision power meters (Ge/InGaAs) and stabilized light sources for insertion loss and return loss testing.
OTDR & Fiber Characterization
Full-featured OTDR, fiber OTDR testers, and modular OTDR test modules for network deployment and troubleshooting.
OSA & Eye Diagram Analyzer
High-resolution OSA for DWDM and eye diagram testers for signal integrity validation.
BERT & Endface Inspection
BERT up to 800G, fiber endface inspection probes, and extinction ratio meters for comprehensive testing.