Patent classifications
G01D5/35374
SENSOR COMPRISING A WAVEGUIDE
A sensor comprises: a thin structure, which is configured to receive a force for deforming a shape of the thin structure and which is arranged above a substrate; and a waveguide for guiding an electro-magnetic wave comprising: a first waveguide part; and a second waveguide part; wherein the second waveguide part has a larger width than the first waveguide part; and wherein the first and the second waveguide parts are spaced apart by a gap which is sufficiently small such that the first and second waveguide parts unitely form a single waveguide, wherein one of the first and the second waveguide part is arranged at least partly on the thin structure and another of the first and the second waveguide part is arranged on the substrate.
Gas detection apparatus
A gas detection apparatus (100) includes a first layer (1) and a second layer (2) disposed opposite the first layer (1) in a predetermined direction (z-axis direction). The first layer (1) includes a light emitter that emits light and a light receiver that receives the light after the light passes through a waveguide. The second layer (2) includes a light input unit of the waveguide opposite the light emitter in the predetermined direction (z-axis direction) and a light output unit of the waveguide opposite the light receiver in the predetermined direction (z-axis direction). The gas detection apparatus (100) can be miniaturized.
Switching apparatus for a control system for a vehicle, and control system for a vehicle
The present disclosure relates to a shift device for a control system for a vehicle. The shift device may include at least one optical fiber for conducting a light signal, where the light signal has an input characteristic when entering the shift device, and where the light signal has an output characteristic when exiting the shift device. The shift device may further include a control element, where the control element can be moved between a home position, a first actuation position, and a second actuation position by an actuation force. The control element may have an adjustment device for adjusting the characteristic of the light signal, where the adjustment device is configured to set the output characteristic of the light signal to a first value when the control element is in the home position.
Optical cable for sensing, methods of manufacture thereof and articles comprising the same
Disclosed herein is an optical cable comprising a plurality of cable sensors helically wound around a support; and an outer jacket that is disposed on the plurality of cable sensors and surrounds the plurality of cable sensors; where each cable sensor comprises an optical fiber; where the optical fiber comprises an optical core upon which is disposed a cladding; a primary coating; a deformable material surrounding the optical fiber; and an outer tube surrounding the deformable material; where the optical fiber is of equal length to the outer tube; and where an allowable strain on the optical cable with zero stress on the optical fiber is determined by equations (1) and (2) below:
Current conduction element and system for insulation monitoring
A current conduction element includes an electrical conductor and an insulation of the electrical conductor. The insulation includes a light waveguiding unit. Furthermore, a system and method for insulation monitoring are described.
METHOD AND SYSTEM FOR MULTI-LINK CONNECTION TESTING
There are provided techniques for characterizing and testing a cable routing connection configuration connection arrangement comprising a plurality of optical fiber links connected between at least a first connection device at a first end and a second multi-fiber connection device at a second end. Test light is injected into one or more of the optical fiber links via corresponding optical fiber ports of the first connection device. At least one image of the second multi-fiber connection device is captured. Test light exiting the optical fiber link(s) through optical fiber port(s) of the second multi-fiber connection device is imaged as light spot(s) in the captured image. Positions on the second multi-fiber connection device that corresponds to the optical fiber port(s) are determined based on a pattern of the light spot(s) in the captured image. In some implementations, the provided techniques allow detection or verification of cable routing connection configurations at multi-fiber distribution panels.
Distributed pressure, temperature, strain sensing cable using metal wires with slot grooves and optical fibers in the slot grooves
A distributed pressure, temperature, strain (DPTS) sensing cable includes at least two slotted fiber optic metal wires each having a slot groove extended along in an outer circumference of the wires to encapsulate optical fibers in the slot grooves. The two slotted fiber optic metal wires have characteristics different from each other.
OPTICAL FIBER SENSOR DEVICE AND OPTICAL FIBER SENSOR SYSTEM
An optical fiber sensor device includes a control section configured to compute a physical quantity in an optical fiber installed at plural measurement locations based on intensity of scattered light received, and to compute an average of the computed physical quantity for the optical fiber. The control section is configured to compute the average of the physical quantity based on the computed physical quantity and on a length of the optical fiber. A length of the optical fiber installed at the measurement location is increased as a distance between a light source and the respective measurement location increases.
Structural pi joint with integrated fiber optic sensing
A structural health monitoring system includes a first component and a second component associated at a joint. At least one sensor is embedded within the joint to monitor a health of at least one of the first component, the second component, and the joint.
Self-monitoring superconducting cables having integrated optical fibers
Disclosed are various embodiments for a self-monitoring conducting device that responds to strain and temperature changes. In one example, a self-monitoring conducting device comprises a superconducting cable having a core and one or more layers of high-temperature superconductor (HTS) tape architecture surrounding the core. The self-monitoring conducting device further includes optical fibers integrated within the superconducting cable. The optical fibers can monitor a state of the superconducting cable along a length of the superconducting cable.