Diffraction Gratings TRIZ Cases

A waveguide light expander expands diverging light in one dimension to produce converging beams for optical systems.

A planar waveguide illuminator generates controlled interference patterns using a patterned mirror and controller to produce evanescent fields.

A zoom lens configuration featuring a stationary positive first lens unit and movable negative and third units for compact optical design.

An optical instrument employs a diffractive element with irregular lenticules to enlarge the exit pupil, eliminating expensive field lens arrangements.

Four lens groups with varied distances correct aberrations and enable high-speed focusing.

A light diffraction element integrates a position adjustment optical structure outside the computing microcells to enable precise alignment of the optical components.

A zoom lens uses three lens groups and a stationary aperture stop to optimize optical performance across focal lengths.

A zoom lens uses segmented moving groups to achieve high magnification.

Segmenting the first lens group into three sub-groups enables wide-angle imaging while reducing front lens diameter and maintaining high optical performance.

A diffractive light guide redirects environmental light around opaque display structures to restore the user's visual field.

Periodic microstructures in the first layer couple incident light to leaky guided modes, producing reflection peaks for narrow band polarized light.

An air lens in the third group corrects distortion and lateral chromatic aberration without increasing drive mechanism burden.

Segmenting a five-unit zoom lens into specialized refractive groups corrects spherical and chromatic aberrations across the entire zoom range.

A composite lattice image merges diffractive and scattering grating patterns to create complex optical effects.

A diffractive element creates an enlarged exit pupil, eliminating the need for expensive field lens arrangements and simplifying optical design.

Dynamic adjustment of inter-group distances maintains small F-numbers while suppressing aberration fluctuations during magnification changes.

A substrate with a lattice-type net mesh diffraction region collects and radiates light beams to produce an image in the air.

A single etching process forms angled grating sidewalls by exploiting hardmask thickness variations to reduce pattern width faster than height.

A diffractive lens uses segmented grating steps with selective protective coating to maintain high diffraction efficiency.

A zoom lens uses four distinct lens groups with dynamic spacing to achieve compact size.

A four-group imaging optical system moves a negative third lens group along the optical axis to adjust focal position.

A five-group zoom lens design achieves high magnification through specific refractive power arrangements and dynamic interval adjustments.

Variable pixel sizing maintains continuous grating lines across boundaries, resolving brightness loss from discontinuities.

Optimized glass composition increases bonding strength beyond 1.5 MPa without requiring expensive acrylic block copolymers.

A high magnification MWIR continuous zoom optical system with hybrid aspheric-diffractive surfaces and coordinated relay groups.

A processor adjusts a liquid crystal diffraction grating shape to control light distribution across stacked waveguides.

Dual focusing lens groups correct aberrations and reduce overall length across the zoom range.

Single-facet pixels resolve the contradiction between optical effect and resolution in security elements.

A multimode light guide with a diffractive element detects touch and scans content, resolving the need for separate devices.

Meta-surface optics deflect and diffuse light to resolve conflicts between sensing intensity and smartphone size constraints.

Stacked grating couplers segment polarization modes to resolve coupling efficiency losses in photonic integrated circuits while maintaining compact footprints.

Sub-wavelength grating polarization reflectors and Faraday rotators enable same-wavelength bidirectional transmission, reducing link loss and component count.

An optical test system measures substrate gaps using light intensity signals and reference data.

Ion implantation modifies material oxidation rates to enable selective etching of slanted surface-relief structures.

Rear-mounted exit pupil design prevents phase plate interference while preserving compact lens structure.

Parallel diffraction gratings in a multi-layer optical film redirect stray light to eliminate color washout at wide viewing angles.

A variable magnification optical system employs a final lens group with a pole surface to correct aberrations across varying focal lengths.

A five-group zoom lens configuration corrects optical aberrations across the entire focal range.

Segmented grating panels eliminate ghosting by providing precise light shielding, reducing crosstalk below 0.2% for comfortable auto-stereoscopic viewing.

Pre-formed substrate through-holes enable zero-error alignment of multi-layer plating, overcoming 100-micron printing precision limits.

Stacked optical members with sawtooth diffraction gratings reduce interface scattering by optimizing surface roughness against refractive index differences.

A diffractive optical element integrates a lens unit and diffraction unit to convert scattered light into parallel beams.

Switchable HPDLC cells modulate light beams into periodic patterns, reducing power dissipation and fabrication costs in structured light systems.

Spherical curvature reduces device volume while maintaining low electromagnetic wave loss in high-frequency communication systems.

A zoom lens optical system with specific lens group configurations and refractive power distributions.

Applying a meta-material coating reduces the critical angle for total internal reflection, resolving angular limitations in optical waveguides.

A Tamm plasmon stack couples emitter energy into resonant modes to boost external quantum efficiency.

Specific resin layer thickness constraints prevent cracking and peeling at the diffraction grating interface caused by thermal expansion mismatch.