Diffraction Gratings TRIZ Cases

Offset diffraction-cell edge lines in a hologram light guide plate to prevent straight-line noise beams and preserve display image clarity.

Coherent receivers and varying grating pitch replace moving mirrors to deliver scalable 3D depth sensing with high resolution and interference resistance.

Void regions, pillars, and trenches thermally isolate SLM pixels, cutting heat spread, power use, and phase modulation instability.

Localized surface plasmon resonance diffracts incident light into the p-type region, extending optical path length and improving quantum efficiency.

Laser-welded intermediate elements and matched thermal expansion materials keep diffraction grating alignment stable in high-energy pulse compressors.

Nanohole gratings with plasmonic metamaterial boost micro-LED quantum and outcoupling efficiency for high-speed visible light communication.

Periodic holes with region-specific height and width create terahertz phase control while keeping the lens compact, low-aberration, and simpler to make.

A ground-backed dipole or slot metasurface enables efficient TE and TM retroreflection at near-grazing angles while suppressing specular reflection.

Oblique lens portions and diffraction pitch control combine multiple beams in a shorter optical path while preserving beam quality.

Periodic pillars with region-specific height and width shape terahertz phase in a thin lens while avoiding SiO2 absorption and complex processing.

A fine-structured lens array routes different wavelengths to separate sensor cells, improving color separation without filter light loss.

Varying grating pitch replaces moving mirrors in coherent LiDAR, improving 3D depth resolution and interference resilience.

A multilayer light guide expands and replicates HUD image light while limiting interference to improve diffraction efficiency and viewing angle.

Diffraction-based light guide expansion replicates light in two directions to widen head-up display viewing angles for augmented reality images.

An integrated reflective grating lets a thin PIN photodetector boost bandwidth and responsivity without complex mirror structures.

Filtered ambient and headlight illumination boost transparent vehicle window display brightness without raising LED power consumption.

Filtered ambient and headlight illumination boost transparent vehicle window display brightness without raising LED power draw.

A nano-engraved polymer coating forms a 100-300 nm diffraction grating that gives vehicle appliques a durable iridescent appearance.

Region-specific etched hole arrays align outer surfaces to modulate terahertz phase with less aberration, thinner lenses, and simpler fabrication.

A multi-focus diffractive lens and multilayer focus optics create a uniform ring beam with long focal depth for precise thick-object cutting with fewer micro-cracks.

A rotating diffractive optic replaces complex beam steering parts to form a circular ring beam for easier laser drilling setup and efficient removal.

Ultrafast laser plasma gratings enable seamless splicing of prefabricated sections, cutting cost while preserving meter-scale volume grating accuracy.

Localized plasmon resonance enables low-intensity photothermal melting to reshape plasmonic structures beyond diffraction limits for printing and data storage.

Laser ablation on a PET surface forms randomized microstructures that avoid multi-chroma effects while enabling precise optically variable films.

Multiple ultrashort laser scans shape refractive index profiles for waveguides and gratings, expanding device range while reducing insertion loss.

Phase-shaped beam optics create elongated focal zones for transparent material processing, improving volume absorption while limiting shielding effects.

Mixed spherical and parallel wavefront shaping evens laser intensity, stabilizing thick-sheet cutting and reducing surface corrugations.

Multiple laser scan paths shape wider optical routes and tailored refractive index profiles for waveguides and gratings.

A rotating diffractive optic replaces complex beam-steering parts to drill precise circular holes with simpler laser setup and control.

A three-group five-element zoom lens uses moving groups and inflection-point aspheres to balance compact size, field of view, and image quality.

Spatial phase regions in one diffractive lens create transversely separated focal points for simultaneous imaging without beam splitting.

Conical diffraction in overlapped volume Bragg gratings expands near-eye display field of view while preserving high pixel efficiency and resolution.

Fluorine-based mixed-gas etching and an etch stop layer help metasurfaces achieve uniform depth and higher visible-light transmission.

Two negative focusing lens groups move in coordination to suppress field curvature and spherical aberration across the zoom range.

A multi-group zoom lens with a negative focusing group corrects aberrations during zooming and focusing while keeping cameras compact and light.

Stacked inverse diffractive substrates improve exit pupil expansion by boosting light use, compensating nonuniformity, and easing tolerance demands.

Hexagonal virtual-aperture microstructures disperse aberrated light across the retina to extend depth of field and improve IOL image quality.

TiO2 nanoparticle SRG waveguides improve light coupling and field-of-view brightness uniformity while reducing bulk in AR displays.

An intermediate pupil with a wavefront manipulator and filter sharpens digital eyepiece images, reduces aberrations, and supports spectacle-free viewing.

A silicon Bosch mold, anodic bonding, and XeF2 etching enable glass gratings with small periods, deep grooves, and smoother optical surfaces.

Subwavelength columnar structures across the transparent layer guide stray incident light into each pixel, improving light reception and luminance uniformity.

Dual negative and positive focusing groups move during focusing to correct spherical aberration and preserve image quality across zoom ranges.

A refractive-index-matched transparent coating cuts metasurface reflections and suppresses ghost images in augmented reality displays.

A two-layer diffractive optical element controls layer elasticity to cut residual stress, refractive index variation, and chromatic blur.

Elongate grating regions preserve grating element count, improving colour saturation and brightness in multi-view diffractive images.

Subwavelength phase-shifting elements replace bulk crystals to generate distinct diffraction-order polarization states in a compact parallel polarimeter.

A single-mold structured layout aligns liquid crystal molecules uniformly across larger optical elements to reduce light scattering and boost yield.

Fluid is driven into and out of metasurface grating recesses to switch diffraction on or off, improving AR waveguide light coupling without larger optics.

Polygon-based pixel clustering cuts zig-zag edges in DOE layouts, improving optical performance while lowering computation and memory use.

A 3D alignment mark sets both unit orientation and interlayer spacing, improving assembly accuracy in multistage light diffraction stacks.

Selective diffractive regions over non-emitting display areas redirect off-axis light forward, boosting axial brightness without dimming emitted light.

A two-element negative-power converter lens balances compact size with aberration and field-curvature correction for short-back-focus optics.

Segmenting holograms on a waveguide eliminates color dispersion, delivering an aberration-free wide field-of-view with high transparency.

Air-tight bonding of components with different refractive indices minimizes surface irregularities and corrects chromatic aberration in imaging systems.