Diffraction Gratings TRIZ Cases
- Planar Metalens for Super-Resolution Imaging
A planar metalens expands spatial frequency components beyond the wavelength using high refractive index materials.
- Diffractive Optical Element Birefringence Dispersion Optimization
A diffractive optical element uses an anisotropic diffraction layer with controlled birefringence dispersion to achieve high efficiency.
- Variable Power Optical System Aberration Control
A variable magnification optical system uses distinct lens group trajectories to correct aberrations.
- Integrated 3D Grating and Touch Detection Unit
A single base substrate supports both a 3D grating structure and a touch detection unit between the display panel.
- Resonant Waveguide Grating for Near-Eye Displays
Subwavelength structures in a waveguiding layer redirect light to suppress chromatic dispersion and enhance spectral selectivity.
- Variable Magnification Optical System Aberration Correction
A variable magnification optical system adjusts air distances between six lens groups to correct curvature of field and spherical aberration.
- Cylindrical Waveguide Aberration-Free Optical System
Concentric cylindrical waveguides eliminate image aberrations and enable large eye-boxes for augmented reality displays.
- Multi-Layer Optical Element for Anti-Counterfeiting via Total Internal Reflection
Segmenting relief structures across three layers resolves the trade-off between high security and designability by enabling angle-dependent transparency.
- Folded Optical Paths with Metasurfaces for Compact Design
Metasurfaces fold optical paths to reflect light at varied angles, reducing device height while extending total track length.
- Thin Optical Security Element with Caustic Relief Pattern
A thin optical security element uses a refractive relief pattern to redirect incident light and form a projected caustic image.
- Multi-layer Dielectric Grating with Impedance Matching
Multi-layer grating structure uses alternating refractive index materials to enhance diffraction efficiency.
- Encoder Device Retroreflector Optical Path Stability
A reflective encoder device uses a retroreflector to guide diffracted light along its incident path.
- Optical System Distortion Adjustment via Dual-Locus Lens Movement
Distinct lens unit loci change distortion while maintaining image quality, resolving the trade-off between adjustment range and optical fidelity.
- Micro-optical Device Array with Non-centered Optical Axes for Security
A complex transparency device uses micro-optical devices with non-centered optical axes to reconstruct multiscopic images from a micro-image array.
- Kinoform Diffractive Light Pipe Parasitic Image Reduction
Optimized groove depth and pitch ratios in a kinoform diffractive light pipe suppress higher-order diffraction, reducing parasitic image visibility.
- Lensless CMOS Edge Localizer Using Diffractive Fresnel Optics
A lensless CMOS visual edge localizer employs a Panchromatic Fresnel Zone Plate to detect incident angles via diffraction.
- Multiplexed Volume Bragg Grating Mode Area Expansion
A multiplexed volume Bragg grating converts higher order spatial modes to fundamental beams via angular selectivity.
- Light-Emitting Device Cover With Deformable Projected Portion
A light-emitting device cover features a deformable projected portion that engages with a counterpart member to secure the assembly.
- EUV Reflector Adhesive-Free Bonding and Cooling
Adhesive-free bonding secures a reflective plate to a substrate with embedded cooling channels for efficient heat transfer.
- Optical Circuit Alignment Using Multiple Grating Couplers
Segmented grating couplers resolve six-axis adjustment complexity while improving coupling efficiency.