#G01C19/661

ULTRAVIOLET FILTER FOR RING LASER GYROSCOPE MIRRORS

A multilayer mirror comprises a reflector section including a plurality of alternating layers of a high index material and a low index material, and a filter section over the reflector section. The fi…

DRIVE·Oct 8·2 min read

G01C19/661 HONEYWELL INT INC [US]

MITIGATING BIAS INSTABILITIES IN OPTICAL GYROSCOPES

One or more phase modulators in an optical gyroscope operate on two counter-propagating beams to introduce a phase shift between the beams before the beams are interferometrically combined to generate…

DRIVE·Jan 2·1 min read

G01C19/661 Anello Photonics, Inc.

KERR EFFECT REDUCTION IN SBS LASER GYROSCOPE

A method for reducing or eliminating bias instability in a SBS laser gyroscope comprises introducing a first pump signal propagating in a CW direction, and a second pump signal propagating in a CCW di…

DRIVE·Aug 28·2 min read

G01C19/661 HONEYWELL INT INC [US]

OPTICAL GYROSCOPES AND METHODS OF MANUFACTURING OF OPTICAL GYROSCOPES

An optical ring resonator-based gyroscope includes a photonic integrated circuit (PIC) chip including a plurality of optical elements, the plurality of optical elements including a resonator ring; and…

DRIVE·Jun 6·1 min read

G01C19/661 OSCPS MOTION SENSING INC.

STABILIZED EVAPORABLE GETTER FOR INCREASED HANDLEABILITY

Systems and methods for a stabilized evaporable getter for increased handleability is provided. In certain embodiments, a method includes preparing a first getter material, a second getter material, a…

DRIVE·Mar 21·1 min read

G01C19/661 Honeywell International Inc.

Quantum Weak-Value Birefringent Coriolis Vibratory Gyroscope

A device is provided for rotation rate measurement. The device includes a laser, pre- and post-selection polarizers, a birefringent crystal, and a detector. The laser emits a photon beam. The crystal …

DRIVE·Feb 8·1 min read

G01C19/661 United States of America, as represented by the Secretary of the Navy

CHIP-INTEGRATED OPTICAL ROTATION RATE SENSOR

An optical rotation rate sensor. The sensor includes a laser light source for generating weak light pulses, optically connected to a photonic waveguide, optically connected to a first interference cou…

DRIVE·Dec 28·1 min read

G01C19/661 Robert Bosch GmbH

REDUCING ROTATION SENSING ERRORS FROM LASER SOURCE SIGNAL AND MODULATION CROSS-TALK

Systems and methods for reducing rotation sensing errors from laser source signal and modulation cross-talk are provided herein. An RFOG includes a fiber optic resonator; a first laser source that pro…

DRIVE·Nov 8·2 min read

G01C19/661 HONEYWELL INT INC [US]

APPARATUS AND METHODS FOR STABLE BIDIRECTIONAL OUTPUT FROM RING LASER GYROSCOPE

Systems and methods for ring laser gyroscopes (RLGs) are provided. An RLG includes a traveling-wave resonator cavity with three or more mirrors and a gain medium positioned in the traveling-wave reson…

DRIVE·Oct 25·2 min read

G01C19/661 HONEYWELL INT INC [US]

CONTROL OF LASER FREQUENCY IN AN OPTICAL GYROSCOPE WITH A RING RESONATOR

Photonic devices and methods for operation thereof are disclosed. A photonic device may include a laser configured to generate light. The photonic device may also include a weak value device having a …

DRIVE·Jun 15·1 min read

G01C19/661 DRS Network & Imaging Systems, LLC

KERR EFFECT REDUCTION IN SBS LASER GYROSCOPE

DRIVE·Apr 5·2 min read

G01C19/661 HONEYWELL INT INC [US]

OPTICAL GYROSCOPE WITH A RESONATOR HAVING BIAS ERROR REDUCTION

Techniques for reducing the bias error present in optical gyroscopes is disclosed. Such techniques include at least one path length adjustment member placed in an optical gyroscope resonator, which ar…

DRIVE·Aug 11·1 min read

G01C19/661 Honeywell International Inc.

SHAKEN-LATTICE MATTER-WAVE GYRO

A matter-wave gyro with counter-propagating traps uses three-dimensional lattices formed of interference fringes from three pairs of interfering laser beams. Particles, such as neutral atoms, ion, or …

DRIVE·Jul 28·1 min read

G01C19/661 ColdQuanta, Inc.

SILICON NITRIDE WAVEGUIDE BASED INTEGRATED PHOTONICS OPTICAL GYROSCOPE CHIP WITH NOVEL MATERIALS FOR PHASE SHIFTER

An integrated photonics optical gyroscope fabricated on a silicon nitride (SiN) waveguide platform comprises a first silicon nitride (SiN) waveguide layer that constitute a rotation sensing element; a…

DRIVE·May 5·1 min read

G01C19/661 Anello Photonics, Inc.

MULTI-LAYER SILICON NITRIDE WAVEGUIDE BASED INTEGRATED PHOTONICS OPTICAL GYROSCOPE CHIP WITH ELECTRO-OPTIC PHASE SHIFTER

DRIVE·Jan 13·1 min read

G01C19/661 Anello Photonics, Inc.

RING LASER GYROSCOPES WITH ACTIVE VOLUME BRAGG GRATING

A ring laser gyroscope comprises an optical block that defines an optical closed loop pathway; at least one mirror structure mounted on the optical block and in communication with the closed loop path…

DRIVE·Dec 29·2 min read

G01C19/661 HONEYWELL INT INC [US]

KERR EFFECT REDUCTION IN SBS LASER GYROSCOPE

DRIVE·Oct 28·2 min read

G01C19/661 Honeywell International Inc.

GYROSCOPE, ELECTRONIC DEVICE AND METHOD OF DETECTING ANGULAR VELOCITY

A gyroscope, an electronic device and a method of detecting an angular velocity. The gyroscope includes: a photoelectric detector and a light source, wherein the light source is movable relative to th…

DRIVE·Oct 28·1 min read

G01C19/661 BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Laser gyro with optimised starting

The invention relates to a ring laser (30) comprising: - a ring optical cavity and a gaseous medium (102), at least three electrodes in contact with the gas of the amplifying medium, said electrodes b…

DRIVE·Nov 5·2 min read

G01C19/661 THALES SA [FR]

Means to attach getter to getter retaining ring

A retaining clip for a getter is provided. The retaining clip for a getter includes a curved structure including a first surface, a second surface opposing the first surface, a first-edge surface, and…

DRIVE·Sep 11·1 min read

G01C19/661 HONEYWELL INT INC [US]

Frame element for a laser gyroscope, comprising a substrate containing mobile ions and an electrode

The element has a substrate (101) comprising movable ions. An electrode (102) is fixed to the substrate. An electrical conducting element (104) is electrically connected to the electrode, and is desig…

DRIVE·Jun 5·1 min read

G01C19/661 THALES SA [FR]

Circuits for determing differential and average temperatures from resistive temperature devices

Systems for determining differential and average temperatures from resistive temperature devices are provided. In one embodiment, a device comprises a bridge network including a first node and second …

DRIVE·Apr 3·2 min read

G01C19/661 HONEYWELL INT INC [US]

Attachment system for an optical unit of a laser rate gyro

The gyroscope has a cylindrical hub formed by a continuous assembly of plane walls (34) distributed about an axis (Delta) such that adjacent walls of hub together form a dihedron with a radial plate o…

DRIVE·Jul 4·1 min read

G01C19/661 THALES SA [FR]

Systems and methods for improved ring laser gyroscope devices through mix ratio optimization

Systems and methods for improved ring laser gyroscope devices through mix ratio optimization are provided. In one embodiment, a ring laser gyroscope device comprises: a laser block assembly having a c…

DRIVE·Nov 9·1 min read

G01C19/661 HONEYWELL INT INC [US]