Diffraction Gratings TRIZ Cases

A zoom lens uses moving positive and negative units to achieve high magnification ratios in a compact form.

Segmenting the screen protector into a functional film and L-shaped racks resolves the trade-off between attachment strength and detachment convenience.

Cascaded metasurfaces overcome chromatic aberrations in diffractive optics by equalizing optical group lengths across sequential surfaces.

A zoom lens forms an intermediate image and re-images it using four specific lens groups to achieve wide angle coverage.

A diffraction grating lens design method fixes zone widths while optimizing an aspherical coefficient to control light diffraction.

Asymmetric supporting pillars reduce electrode crushing in grating structures, preserving light modulation accuracy for 3D holographic displays.

Cascaded diffraction gratings redirect light in three dimensions through a waveguide, reducing optical loss during transmission to the user's retina.

Embedded metal layer reflects tunneling light in semiconductor grating couplers, resolving coupling efficiency losses from optical fiber input.

A backlight unit uses an etched diffraction grating to direct monochromatic light, removing the need for color filters.

A diffractive optical element bundles incoming light waves onto a smaller detector surface to reduce manufacturing costs.

Varying resin layer thickness in non-optical regions mitigates curing shrinkage and maintains diffraction efficiency.

A variable reflectivity notch filter adjusts optical reflection to maintain image quality across temperature ranges.

Switchable blaze grating stack achieves large deflection angles without mechanical parts, maintaining high diffraction efficiency.

A zoom lens system moves a positive first group toward the object side while adjusting distances between negative and rear groups.

A zoom lens forms an intermediate image to achieve telecentricity on the reduction side.

A three-point nesting optical mount uses opposed spheres and leaf springs to constrain movement.

Laterally displaced in-coupling gratings split the total field of view across multiple pupils, preventing ghost images while maintaining compact device size.

Integrating a diffraction element into the lamination process eliminates separate gluing steps, reducing production complexity and errors.

Direct embossing of diffractive structures into thermoplastic strips eliminates separable laminated layers and protective coatings.

A zoom lens uses a low refractive power aberration correction group to adjust position relative to the focusing group.

A five-group zoom lens uses a fixed positive fifth group to correct chromatic aberration.

A zoom lens moves a negative refractive power unit toward the object side during focusing operations.

Concentric and non-concentric grooves form a barrier ring that prevents liquid optically clear adhesive from reaching inner grooves, avoiding visual artifacts.

A method embeds variable diffractive metallic microelements directly into a laminable plastic body substrate.

Optimizing geometrical dimensions of scattering elements reduces chromatic dispersion, expanding operational bandwidth for achromatic lenses.

A variable magnification optical system uses segmented lens groups with varied air intervals to correct lateral chromatic aberration and curvature of field.

Monolithic diffraction grating arrays integrate reference and primary gratings on a single substrate to enable precise spatial wavelength calibration.

Segmented lens groups with dynamic spacing reduce barrel weight and suppress aberrations during variable magnification transitions.

A telescope optical system uses diffractive elements and cemented lenses to correct axial and lateral chromatic aberrations.

Optimizing inter-material gradients and blaze wavelengths reduces wavelength dependency in stacked diffractive optical elements.

Lateral translation of the diffractive optical element relative to the Alvarez lens creates varying depth planes, resolving fixed-focus discomfort.

Dual diffraction gratings on a light guiding plate split input laser beams into multiple paths, ensuring stable image light input despite eye movement.

A waveguide with diffraction gratings overlays digital images onto night vision optics, resolving contrast issues without redesigning the eyepiece.

A diffractive optical element generates image planes at varying depths within real space to construct volumetric three-dimensional images.

Low-contrast metasurfaces resolve material loss and CMOS compatibility trade-offs using silicon nitride posts.

Non-perpendicular VCSEL array arrangement creates uncorrelated spot patterns, resolving depth camera precision limits.

A diffractive optical member uses a low elastic modulus resin buffer layer to absorb adhesive curing stress.

Optical detection of alignment marks on holographic diffraction gratings ensures precise relative positioning within head mounted displays.

A light transmissive substrate corrects color separation in a diffraction optical member for virtual image displays.

Piezoelectric film deforms into peaks and troughs to diffract optical radiation, replacing bulky acousto-optic modulators with compact voltage-driven tuning.

A compact optical structure uses a diffractive element to deflect polarized light for precise position monitoring.

A curved light guide integrates a diverging structure to couple and decouple light within the optical path.

An optimization algorithm selects structural parameters to minimize diffraction spectrum intensity variations caused by process changes.