Interferometers TRIZ Cases
- Transient Digital Moire Phase-Shifting Interferometry for Optical Surface Shape
A transient digital moire phase-shifting interferometric measuring device utilizes polarization gratings to generate simultaneous interference patterns.
- Interferometer Reference Mirror for Robust Spatial Frequency
A three-plane-mirror reference end reflector introduces constant lateral shear, maintaining spatial frequency invariance despite object surface inclination.
- Ophthalmic Imaging Apparatus with Parallel Focus Control for Wide-Angle OCT
A focal position changing unit adjusts optics in parallel with OCT scanning to maintain image quality across central and peripheral retinal regions.
- Integrated Balanced Optical Detector System for OCT
A balanced optical detector system integrates amplifiers directly on an optical bench within a hermetic package to minimize fiber usage.
- Optical Fiber Sensor Expansion Reserve Case
A gendarme hat expansion reserve case holds an optical fiber in a single arch to reduce mechanical friction.
- OCT Probe PZT Vibration Scanning Range
An OCT probe uses a PZT vibrator to oscillate the fiber, expanding the scanning range while minimizing vibration damping at the fixation point.
- Balanced Detection Optical Path Length Adjustment for OCT S/N Ratio
Optical path length adjustment means equalize interference light paths in swept-source optical coherence tomography systems.
- Dual Laser Interferometer with Quadrature Error Compensation
Tunable lasers provide multiple wavelengths while quadrature detectors compensate for phase shift errors to resolve absolute distance measurements.
- Lidar Sensing Arrangements for Velocity Tracking
A lidar system uses a wavelength dispersive element to sweep beams across angles for precise object tracking.
- OCT Scanning Module for Simultaneous Cornea and Retina Imaging
Fixed optical mirrors scan both eye structures, eliminating device complexity from switching mechanisms while maintaining measurement precision.
- Synthetic Wave Laser Ranging for Precision Positioning
Multi-sensor laser ranging generates synthetic waves via beat frequencies to resolve measurement precision limits in large object assembly.
- Common-Path Interferometer Using Pinhole Spatial Filtering
A common-path interferometer uses a pinhole spatial filter to generate a reference beam from the sample beam itself.
- Jogbox 3D Scanner CMM Hybrid Metrology
Integrating a jogbox with a 3D scanner into coordinate measuring machines segments measurement tasks to balance high precision against reduced cycle time.
- Interferometer Zero-Position Determination via Dual Coherence Detection
Segmented detectors and variable delay paths resolve long-range positioning contradictions by maintaining precision across extended measurement ranges.
- Fundus Tomography Reference Mirror Auto-Positioning
Stored position data drives automatic mirror shifting to reduce manual adjustment time during repeated eye examinations.