Scattered light smoke detector

Scattered light type smoke detector

Secondary light testing in optical smoke detectors

Seismic sensor with interferometric sensing apparatus

Self-calibrating optical fiber pressure, strain and temperature

Self-calibration system and method for determining the adequacy

Self-referencing interferometric fiber optic sensor system havin

Sensing apparatus and method for detecting strain between fiber

Sensing method and apparatus

Sensor and method for measuring changes in environmental conditi

Sensor system for measurement of temperature or strain

Sensor using fiber interferometer

Sensor using fiber interferometer

Sensor which is sensitive to pressure, tension, torsion and heat

Sensor with led current control for use in machines for washing

Shape measuring heterodyne interferometer with multiplexed photo

SHG autocorrelator

Short path scanning interferometer

Short range LIDAR apparatus having a flat spatial response

Signal conditioning unit for fiber optic sensors