Refractive Power Measurement TRIZ Cases
- Photonic Crystal EM Detector for Low-SWaP Broadband Sensing
A photonic crystal and electro-optic polymer detect broadband electromagnetic signals while reducing SWaP-C for compact sensing platforms.
- Ring-Shaped MTF Test Structure for 2D Optical System Characterization
A ring-shaped test structure enables low-noise 2D MTF measurement while also capturing focal length, magnification, distortion, and anamorphic effects.
- Display Panel Luminance Evaluation With Lens-Based User Image Simulation
An evaluation lens and polarizing plate recreate the user-seen stereoscopic image, improving display panel luminance reliability.
- Auxiliary-Lens Mach-Zehnder Interferometer for Lens Power Measurement
Auxiliary lenses collimate the test beam, making closely spaced fringes measurable for accurate power testing of high-power transparent lenses.
- Focusing Optical Element Characterization With Scattered Reference Waves
A scattering element generates a reference wave for accurate focusing optical element characterization without a calibrated reference optic.
- Fixtureless Lensmeter Using Mobile Camera Image Processing
A fixtureless lensmeter uses mobile camera image processing to determine lens characteristics without mechanical alignment.
- Ophthalmic Lens Measurement Conversion via Digital Modeling
Digital lens models convert experimental ophthalmic measurements to different conditions, avoiding paraxial approximation errors in complex designs.
- Spectacle Lens Quality Control via Surface Topography Mapping
A spectacle lens quality control method maps surface topography to calculate local optical deviations across the entire lens surface.
- Progressive Addition Lens Design Inward Movement Alignment
A progressive addition lens design method aligns optical performance along the principal line of vision through iterative parameter adjustments.
- Lens Examination Equipment Using Ellipse Distortion Analysis
A lens examination system captures distorted test patterns through a camera to derive ellipses of best fit for optical parameter calculation.
- Binocular Spectacle Lens Evaluation via Cyclopean Eye Ray Tracing
A cyclopean eye model simulates binocular visual perception through ray tracing to evaluate spectacle lens optical performance.
- Grating Inspection Using Wavelength Selection for Secondary Defect Detection
Laser-based inspection isolates secondary grating defects using a non-diffracting test wavelength, resolving large-area characterization limits.
- Optical Camera Array With Beam Deflection For Multi-Field Measurement
A camera array uses beam deflectors to redirect light, enabling multi-plane placement for imaging property assessment.
- Ophthalmic Lens Optical Instrument Using Rotating Retroreflector
Cyclic rotation of a retroreflector ensures continuous light transmission, resolving gaps that distort microengraving visibility during lens characterization.
- Optical Power Measurement via Deflector Image Displacement
A deflector assembly generates lateral image displacement for digital optical power calculation.
- Ophthalmic Lens Refraction Measurement Using Support Shadow Geometry
A method determines ophthalmic lens refraction by analyzing the shadow of support elements cast through the lens onto an image capture plane.
- Interferometric Measurement of Large Optics Using Immersion Liquid Film
Immersion liquid film eliminates edge errors in stitching measurements by matching refractive indices, reducing preparation time and cost.
- Confocal Laser Measurement of Toric IOL Optical Properties
A confocal laser system measures dioptric powers and cylinder axes of toric intraocular lenses using a rotating rectangular slit aperture.
- Optical System Parameter Determination for AR Eyewear
Determining optical system parameters using an intended power map to set values for near and far vision parts of a front element.