BACKGROUND 0002 The accuracy of a rotation rate signal from a reso nant fiber optic gyro
(RFOG) is at least partially a function of the quality of the light in the gyro resonant cavity …

US6809823B2 - Method for the calibration and alignment of multiple multi-axis motion
stages for optical alignment to a planar waveguide device and system - Google Patents …

The invention provides an optical flow meter for measuring fluid flow through a pipe which
obviates the need for the flow to be seeded with foreign particles. The meter comprises a …

(57) ABSTRACT A mobile radio communication apparatus comprises a wire less transmitter-
receiver device configured to perform trans mission/reception of a radio signal, a signal …

Disclosed is an optical fiber interferometric system includ ing a light source (1), a fiber optic
coil (8), a coil splitter (3), a photodetector (2), and a polarization filtering unit. Accord ing to …

Provided is a fabrication alignment technique for a light guide screen. A plurality of light
guide layers are provided. Each light guide layer includes a plurality of aligned light guides …

A system for determining positions of structures on a substrate is disclosed. The system
includes a plurality of stations enclosed by a housing. At least one of the stations inside the …

Characterizing the surface responsivity of a photo-detector includes focusing a light beam
on the photo-detector surface and measuring a response of the photo-detector. The focused …

BACKGROUND Optical? bers may be used to carry light emitted from a source of light or to
carry light to a photo-detector. As part of this transmission, the optical aXis of the optical? ber …