Using Optical Means TRIZ Cases

Combining scattered-light and interference measurements extends micro-roughness evaluation beyond AFM speed limits for inline sample inspection.

Chromatic distance and infrared sensing measure hot glass container shape near the mold for rapid, non-damaging defect detection.

Optical 3D scanning and machine learning match anatomical, preference, and history data to personalize shoe fitting with less manual assistance.

Air gaps in flexible light pipes create coded segments for real-time bend localization without sophisticated manufacturing equipment.

Coaxial beam splitters place the reference surface inside the objective, reducing probe bulk while preserving confocal signal quality for radial measurements.

Proximity sensors guide the robotic inspection device around aircraft surfaces, preserving the target distance while avoiding nearby obstacles.

A distance sensor selects relevant symbology types and read cycles for each target range, reducing decode work, power use, and flashing.

Direct major-surface coupling replaces coupling prisms to measure facet parallelism and refractive-index homogeneity with a simpler test setup.

Secondary reflected light distorts irregular surfaces; event-based vision separates unwanted signals for accurate 3D shape data.

Multiple line-beam sources cover wide surfaces while separated reflected images prevent overlap, unmeasured regions, and measurement omissions.

Reflected signals from the waveplate can distort surface readings; circular polarization and absorption improve multilayer film measurement precision.

Manual MR shimming is cumbersome and risky; a motorized shaft and gear unit rotate reference specimens for precise field adjustment.

Dynamic gain and irradiation adjustment keeps receiver output near a reference, avoiding saturation while preserving measurement resolution.

A pre-measurement detects corrugation positions so THz focus can follow waves and valleys for accurate distance and layer-thickness readings.

A higher A-scan frequency with phase-varied B-scanning helps OCT imaging increase lateral resolution and reduce speckle noise.

Conventional RAMZI filters lose performance when ring and MZI spectra drift; a drop port enables feedback-controlled thermal alignment.

Gas-cell absorption peaks help correct moving-mirror position errors caused by imperfect reflection-surface parallelism, improving spectral analysis accuracy.

Alternating sweep frequency patterns and averaging past measurements stabilize optical distance readings for accelerating targets affected by Doppler shifts.

Custom reference masters make calibration costly and slow; pivoting trihedrons align surfaces with laser planes in situ.

Distance differences between a LiDAR device and multiple reflection units support precise subsidence detection across large areas despite temperature variation.

A heater, pressurizing head, camera, and thickness sensor reproduce bonding conditions for real-time adhesive-film flow and thickness measurement.

Large holder strokes can exceed mirror dimensions; this case uses holder-mounted optics to maintain signals and reduce work-volume interference.

A high-power laser and repeated phase analysis help stabilize 3D contour measurements against ambient light and hand movement.

Terahertz reflection links refractive index and solidification shrinkage to predict final strand geometry before full solidification.

Passive ranging loses precision at long distances; coded-aperture optimization and 3D polarimetry refine object ranges.

Alternating integration-capacitor connections help unpinned-photodiode depth pixels maintain bias stability and improve signal-to-noise ratio at high frequencies.

Measured thickness variations guide local waveguide width adjustments to preserve modal phase matching and improve nonlinear power conversion efficiency.

Two scan operations set focus from optical detection data, enabling accurate distance measurement with one shared LiDAR configuration.

A depth sensor validates object orientation in a target region to measure small handheld objects without a reference surface.

Matrix sensing, telecentric optics, and real-time position tracking speed large-object scans while correcting image alignment.

An isolated heating element surrounds the probe across a gap to control temperature, limit heat escape, and reduce thermomechanical drift.

Low-coherence interferometry separates signals from close optical interfaces through coherence-zone positioning and rotation, improving geometry and centering measurements.

An intermediate integration capacitor preserves photodiode polarization at high frequencies, improving signal-to-noise ratio for non-pinched InGaAs depth pixels.

Thermal deformation shifts cameras in 3D light field displays; sensor feedback predicts their positions and maintains stereoscopic image alignment.

Direct film or sheet measurement can require extra space and suffer instability; comparing source-block height before and after cutting enables faster adjustment.

A linear sensor, MEMS scanning mirror, and FPGA combine optical control with image processing to shrink portable imaging systems without external computers.

A confocal chromatic sensor tracks xenon-ice thickness, roughness, and reflectivity for real-time EUV source control.

LCI measures tumor and immune-cell mass before treatment to classify immune status as hot or cold and guide immunotherapy choices.

A 3D-contoured outer wall compensates sensor direction and height tolerances, enabling stable installation without manual alignment mounts.

Using 76–81 GHz radar with orthogonal accelerometer data, this case supports rapid, accurate wheel geometry scanning during maintenance.

Finite element modeling links measured waveguide thickness variations to width adjustments that maintain modal phase matching and improve nonlinear conversion.

Piezoelectric elements and elastic structures convert vertical deformation into precise in-plane mass movement while keeping height constant.

An auxiliary core compares predicted and measured strain to flag unknown errors before they undermine multicore fiber shape sensing.

Slanted code slits and photodiodes reduce photocurrent harmonic distortion, improving positioning accuracy in optical encoding.