Disclosed herein is a method including: providing a light guiding arrangement (LGA) configured to redirect light, incident thereon in a direction perpendicular to an external surface of the sample, into or onto the sample, such that light impinges on an in...

The present application provides a deviation detection method and a deviation detection device for detecting positional deviation of an electrode assembly during winding. The method comprises: an image obtaining step of obtaining a plurality of first image...

A method for measuring pitch, yaw and roll angles of an element, said method comprising: providing a frequency tunable laser beam; directing the laser beam into a spiral phase plate resonator, SPPR, device, said SPPR device including opposing reflective su...

The present invention concerns an ultra-sensitive photonic tiltmeter or goniometer utilizing a novel optical effect named "photonic polarization gear effect", based on the orbital angular momentum of the light, to measure with high resolution and sensitivi...

The method involves positioning light detector (6) in second element plane (20) to second element (2). The interference patterns (31,31',31") caused by reference light wave (400') to light detector. The intensity pattern (61,61',61") is formed from the det...

The method involves assigning transmitter (20) to rotating shaft (11). The transmitter and element (30) are provided to influence direction of polarization rotate relative to each other as a function of rotation angle. The luminous intensity passing throug...

The northern referenceable goniometer (1) comprises a gyroscope fixed on a rotary element (3) with a measuring unit (21,31) aligned orthogonal to a vertical axis (34) for determining a component of the earth rotation vectors. An acceleration sensor is prov...

A stereo image processor (1) performs image matching, in an image matching section (6), on partial images of the same object included in a base image and a comparative image respectively and detects pixel-precision partial displacement between the base ima...

Adaptation device includes a case (1) of an elastic material mounted on housing of a laser gyroscope (3) that at least partially encloses the housing. A reflector (5) is mounted on the case. A transmission and reception unit (12) is in fixed connection wit...