Diffraction Gratings TRIZ Cases

A laser line generating assembly divides a coherent beam into incoherent sub-beams via a beam divider.

A diffractive optical element design method using Yang-Gu algorithm optimization to enhance diffraction efficiency.

Overlapping grating patterns in the out-coupling optic merge beam expansion functions to enlarge the eyebox while reducing manufacturing complexity.

Grey-scale resist contouring defines discrete trench depths for optical gratings.

Varying slit grating widths extends viewing zones and improves visual quality without crosstalk interference.

Overcoming dielectric mirror weight and grating wavelength limits, the device maintains constant reflection angles across broad spectra.

Segmented sub-lens groups enable precise focusing while correcting aberrations across the zoom range.

A folded optical system uses a meta optical element to direct chief rays along a piece-wise linear path toward an image sensor.

A zoom lens uses a reflector to bend the optical path within the fifth lens unit, enabling compact camera construction.

A lens integrates a diamond-like carbon film on its entrance surface to boost mechanical strength without adding bulk.

A laminated cholesteric liquid crystal diffraction element diffracts incident light while allowing transmission of the incident light.

A zoom lens configuration with specific refractive power arrangements and stop positioning.

Segmenting substrates with cutting lines reduces lithography complexity and time for diffraction grating modules.

A transmissive volume Bragg grating images different object planes onto distinct lateral locations of a single image plane using varying wavelengths.

Intersecting dispersion curves in a composite grating enable wavelength separation without separate monochromatic waveguides.

A zoom lens configuration moves an aperture stop to optimize optical performance across the entire zoom range.

A meta lens assembly uses nanostructures to modulate light phase and polarization for diffraction-limited focusing.

A display panel grating uses staggered light blocking zones to eliminate moire artifacts.

A zoom lens design with specific refractive power units and movement ratios maintains a compact form factor.

Cemented diffractive elements correct chromatic aberrations without expensive anomalous dispersion glasses.

A compensating mirror redirects exposure light beams to enlarge source spacing, preventing beam blocking and enabling wide-spectrum grating manufacturing.

An asymmetrical diffraction grating patterned on a diamond facet minimizes haze by ensuring each optical path encounters only one diffractive structure.

A holographic pinhole array diffracts incident light into multiple beams with distinct fields of view.

Optical receiver modulates signals to measure cross-correlation, reducing power dissipation in wideband systems.

Master grating replication eliminates costly diamond cutting tools and alignment errors while producing customizable blaze angle structures.

Inverted index profiles in a multilayer grating cause diffracted rays to destructively interfere, reducing the rainbow effect in waveguide displays.

A light deflection device uses wavelength and refractive index to parallelly deflect multiple beams simultaneously.

A wearable display uses a periscopic diffraction grating to combine collimated projector light with real-world scene illumination.

Silicon diffraction grating with anti-reflection coating and etch stop layer improves first-order efficiency across angles while lowering manufacturing cost.

Intersecting gratings on a substrate reduce side-view brightness in LED panels without compromising front visibility.

Crystalline glass lens with specific partial dispersion ratio controls second-order chromatic aberration excess from diffractive element downsizing.

Asymmetric dielectric coatings on symmetric grating elements boost diffraction efficiency beyond 50% limits while suppressing zero-order transmitted light.

A quantum dot film narrows micro-display light bandwidth to boost diffractive optical element efficiency.

A planar diffractive lens induces phase curvature on display light to match legacy intensifier exit surfaces.

A variable magnification optical system moves a lightweight third lens group along the optical axis to enable high-speed auto focusing.

A five-lens plastic imaging lens uses a diffraction optics surface on the second lens element to correct chromatic aberration.

Relief pattern redirects incident light to form a projected caustic image, enabling naked-eye verification without strict spatial alignment.

Pillar deflecting sections guide oblique light to photoelectric converting sections, reducing crosstalk and non-uniform sensitivity at angle-of-view ends.

Liquid crystal variable Fresnel lens and phase corrector plate adjust wavefront phases to eliminate diffraction orders from fixed focal length elements.

Moving two negative refractive lens units changes their spacing to increase focus sensitivity while minimizing aberration variations across the focal range.

A movable second lens group reduces total length while maintaining optical performance by correcting aberrations across focus distances.

An apodized reflective holographic grating diffracts infrared light for eye tracking while transmitting visible light.

A transmissive diffraction grating uses an absorbing layer with a refractive index near unity to minimize wavefront distortion in phase-stepping measurement systems.

Actuated sub-wavelength gratings steer light to reduce fabrication costs and enable planar integration.

Segmented dielectric waveguides resolve shadowing losses at large deflection angles by enabling efficient phase control without high aspect ratio structures.

Optimized Fresnel grating design minimizes optical path difference to eliminate aberrations and increase spectrometer resolution.

A zoom lens uses an aspheric middle group to change optical focus while maintaining a stable angle of view.

Diffractive structure directs light out of the substrate while trapping zero-order beams to prevent eye hazards and improve energy utilization.

Laminated optical thin film prevents silver granulation through anchor metal diffusion control layer, maintaining high light transmittance.