Different delay-line lengths separate monitoring light by arrival time, enabling faster abnormality detection across many optical lines.
One integrating sphere combines insertion loss, return loss, and polarity testing for multi-core fiber patch cords with bright-spot imaging.
Movable detector alignment enables reflection and transmission testing of small optical elements for more accurate quality assessment.
An interposer mirror structure enables electrical and optical PIC testing on the wafer before die separation, reducing processing costs.
A movable optical path selects two objective magnifications while one imager supports faster, more accurate fiber-optic inspection.
A lens, fiber optic path, and detector enable portable, precise measurement of waveguide light intensity with flexible positioning.
A remote monitoring device uses core-pair results to optimize sequences, reducing optical-fiber monitoring time and crosstalk.
Measure core spacing and angles to screen multi-core fibers for connection loss.
Dynamic power adjustment resolves the trade-off between long-range visibility and eye safety in optical fiber testing.
Annular excitation sources concentrate electromagnetic fields on specific radial regions within an optical fiber to selectively launch higher-order propagation modes.
Multi-camera pose detection resolves low repeatability in conventional cleave angle metrology by measuring distal tip orientation with sub-degree accuracy.
A test method calculates inter-modal coupling efficiency at few-mode fiber connections using stimulated Brillouin scattering.
Pattern-matched launch fibers enable simultaneous excitation of all cores in a multicore optical fiber for rapid differential mode delay characterization.
Preliminary calibration corrects multi-powermeter uncertainty to resolve polarity mismatch issues in fiber array testing.
Capacitor element electrode lines apply voltage to electrophoretic ink display elements for inspection.
A multi-core fiber measurement apparatus couples light to multiple cores simultaneously and captures emission images for characteristic analysis.
Capturing images at specific locations within an eye motion box to evaluate optical device performance.
Replacing lossy optical switches with an electrical switch eliminates insertion loss and polarization dependency to maintain measurement accuracy.
Alternating fixed and movable mandrels constrain the optical fiber path, eliminating manual hooking steps that cause measurement variation.
An optical power measurement device positioned between the connector endface and microscope objective optics enables simultaneous inspection.
An optical fiber shield detects physical alterations via unique signature changes, resolving counterfeit risks without complex mechanical seals.
A visual fiber finder light assists users in identifying correct connection ports at the remote end of an optical fiber link.
S2 imaging resolves interference between co-propagating modes to extract polarization states and group delays without complex mechanical coupling.