Sagnac Effect Gyrometers TRIZ Cases

Oblique-incidence zero loop-area Sagnac interferometer detects magneto-optic Kerr effect using orthogonal polarized components.

Vertically separated spiraling coils in a multilayer waveguide optical gyroscope eliminate channel crossovers and polarization errors for higher accuracy.

A fiber-optic ring resonator in transmission mode enables counter-propagating light waves to circulate within a Sagnac interferometer structure.

Electro-optically tunable devices modulate phase differences between polarization components in fiber optic resonators to stabilize optical interference.

A ring laser gyroscope block shifts mirror corners laterally to maintain incidence spot positions during temperature changes.

Digital simulator models fiber optic gyroscope light intensity and control loops to predict performance under mechanical vibration.

Integrating beam splitters and modulators onto one chip reduces manufacturing costs while maintaining scale factor stability across varying temperatures.

A hybrid gyroscope merges vibratory and Sagnac outputs via a microcontroller to correct measurement errors.

A digital feedback system increments a ramp signal based on rotation rate and resets it at fixed intervals to maintain variable amplitude.

Separates bias modulation and photodetector sampling clocks using distinct generators for tunability and high-speed operation.

Replacing gas with solid-state volume Bragg gratings eliminates leakage and extends device lifetime.

A bias-modulation waveform for interferometric fiber optic gyroscopes produces benign glitch patterns with zero amplitude at predefined sense harmonics.

Giant dispersion from resonant elements eliminates gain competition and injection locking in laser gyros.

An all-fiber polarization device uses a rigid optomechanical link and angular adjustment to reduce signal loss and improve alignment reliability.

A Sagnac optomechanical gyroscope detects rotation via mechanical angular frequency shifts in a circulating optical resonator.

A non-interferometric optical gyroscope detects rotation by measuring polarization changes in counter-propagating beams within a closed loop.

A fiber-optic gyroscope assembly uses a capped concentric magnetic shield to create a toroidal cavity for the counter-wound optical fiber coil.

A phase lock loop converts low-frequency synthesizer signals to high-frequency outputs, enabling synchronous modulation and reducing angle random walk noise.

Segmented multilayer optical circuit reduces interferometric gyroscope weight while maintaining phase modulation performance.

Segmented dual-sensor paths on an atom chip cancel systematic errors through differential phase processing, improving gyrometer sensitivity.

Frequency switching controllers alternate modulation offset signs to suppress optical backscatter errors while maintaining measurement precision.

Reflective-coated optical-fiber filters reduce phase noise in resonator fiber optic gyroscopes, enabling low-cost semiconductor lasers.

Angled waveguide interfaces exceeding Brewster's angle eliminate coherent back reflection that corrupts electro-optic modulation in fiber optic gyroscopes.

Hybrid 2x2 and 3x3 waveguide couplers resolve the trade-off between manufacturing ease and measurement precision by eliminating complex phase modulators.

A resonator fiber-optic gyroscope uses optical heterodyning to mix signals with a reference laser for precise rotation rate measurement.

A hybrid feedback system combines analog and digital demodulators to process sense signals with high bandwidth and dynamic range.

A three-frequency resonant optical gyrometer uses optical phase locking to maintain cavity resonance across counter-propagating beams.

A symmetric transmission-mode resonator fiber optic gyroscope design using two coupling devices within the cavity.

Residual signals from analog-to-digital converters compensate for quantization noise to improve yaw rate measurement precision.

Specialized fiber structures create slow light conditions to increase measurement precision without excessive device complexity.

Radial acoustic drive and annular optical detection increase the area affected by secondary surface acoustic waves, improving measurement precision.

A gyroscope chip integrates a wedge-shaped ring resonator core with an immovable waveguide structure on the substrate.

Dual frequency modulation offsets sideband noise spectra in a resonator fiber optic gyroscope, reducing angle random walk noise for accurate navigation.

Fixed pump separation prevents resonance frequency locking in ring laser gyroscopes, enabling accurate angular rotation measurement without moving parts.

A nondegenerate ring laser gyroscope accelerometer uses distinct lasing frequencies to prevent mode lock-in while measuring rotation and acceleration.

Reduced waveguide pitch increases sensitivity while isolation structures prevent crosstalk, solving assembly complexity in fiber-based systems.

A barrier coating with low transmission rate protects the fiber optic gyroscope coil from resin-induced oxygen depletion and carbon dioxide generation.

Pound-Drever-Hall modulation measures free spectral range with two lasers, eliminating phase lock loops and reducing optical backscatter errors.

Counter-propagating optical lattices trap ultra-cold atoms to measure angular velocity while minimizing environmental noise sensitivity.

Active feedback loop balances counter-clockwise and clockwise beam power levels to eliminate Kerr bias error in integrated photonics gyroscopes.

A single common polarizer filters clockwise and counter-clockwise optical signals in a resonant fiber optic gyroscope to establish consistent polarization states.

A digital filter with an inverse transfer function compensates for multi-functional integrated optical chip frequency dependencies.

A multi-core transport fiber routes clockwise and counterclockwise optical signals through separate cores within a single waveguide structure.

Hollow-core optical-fiber filters reduce semiconductor laser phase noise in resonator-fiber-optic gyros by blocking fluctuations beyond servo bandwidth.

A residual intensity modulation servo loop stabilizes laser frequencies in resonator fiber-optic gyroscopes.

Sideband heterodyne detection cancels modulator imperfections and laser phase noise, improving rotation sensing accuracy without expensive optical filtering.

Dynamic blanker pulse timing tracks zero rate shifts across varying inertial rates, preventing path length control disruptions.