Diffraction Gratings TRIZ Cases
- Multistep Diffractive Optical Element With Inclined Portions
Inclined portions in a multistep diffractive optical element reduce interfacial reflection and stabilize light patterns across varying incidence angles.
- Diffraction Grating with Orientation Mark for Polarization Light Control
A diffraction grating uses polarization characteristics to adjust outgoing light intensity through simple rotation.
- Wideband Diffraction Limited Optical Receiver Using Composite Doublet Lens
Germanium and zinc selenide lenses separated by an air gap correct chromatic aberrations to achieve diffraction limited performance over broad wavelength bands.
- Zoom Lens Compactness via High Abbe Constant Focus Group
A zoom lens uses a focus group with an Abbe constant greater than 60 to correct chromatic aberration.
- Lightfield Waveguide Eye Tracking for AR
Waveguide eye tracker uses grating structures to direct infrared light toward the user's eye and capture reflected signals for position detection.
- Subwavelength Grating Security Element for Non-Reciprocal Polarization
A security element uses two rotated subwavelength gratings to generate dispersive polarization filtering effects in transmission.
- 3D Diffractive Element for 2D Exit Pupil Expansion
Integrating multiple linear gratings into a single 3D structure eliminates precise alignment requirements and reduces manufacturing complexity.
- Eyepiece With Contact Multi-Layer Diffractive Optics
Contact multi-layer diffractive optics on eyepiece lenses correct chromatic aberrations and flare across wide wavelength ranges.
- Diffractive Optical Element Remnant Layer Thin-Film Interference
A diffractive optical element uses a remnant layer to enable thin-film interference for phase matching.
- Light Modulation Device Integrating Phase and Polarization Control
A light modulation apparatus combines phase and polarization spatial light modulators for simultaneous optical control.
- Zoom Lens Intermediate Image Aberration Correction
A zoom lens forms an intermediate image between optical systems to re-image the view.
- Optical Grating Coupler with Varying Period for Bandwidth
Varying the grating period across an optical coupler expands spectral bandwidth, preventing photonic channel clipping in wavelength-division multiplexing.
- GLV Digital Exposure Device Pattern Width Control
A digital exposure device modulates light via a grating light valve to form precise patterns on substrates.
- Zonal Optical Elements Suppressing Chromatic Aberration
Zonal optical elements suppress chromatic aberration in white light by incorporating stochastic displacement and modulation features within the zone structure.
- TOF Sensor Calibration Using Stray Reflections
Processing circuitry measures stray reflection delays to calibrate time-of-flight sensors.
- Sub-wavelength Grating Waveguide for AR Glasses Reflection Reduction
A waveguide with sub-wavelength grating structures manipulates light interference to reduce surface reflections in head-mounted displays.
- Cohesive Irradiation Module for Refraction-Immune Position Measurement
A cohesive light-conductive irradiation module splits measuring beams through integrated optical components.
- Staircase Waveguide Element for AR Display Integration
Segmenting the waveguide into planar facets allows arbitrary curved shapes while maintaining total internal reflection.
- Display Optical System Diffractive Surface Chromatic Aberration Correction
A display optical system uses a diffractive metasurface to control wavelength dispersion and correct lateral chromatic aberration.
- Spatially-Variable Optical Power Active Lens
Segmented active lens zones reduce distortion artifacts while maintaining low electrical power consumption.
- Collimating Lens With Flat Diffraction Element
A collimating lens uses aspherical groups and a flat diffraction element to align light beams.
- Biosensor Chip Integrating Grating and Nanofocusing for Noise Reduction
A biosensor chip integrates a grating array and metal nanometer focusing units to direct light signals onto sensor pixels.
- Active Optical Device Using Local Electrodes for Light Path Control
Local electrodes apply low voltage to refractive index variable regions, steering light paths while preventing scattering from liquid crystal droplets.
- Single Pole Aperture Plates for Overlay Metrology
Segmented single pole aperture plates isolate X and Y axis diffraction signals to eliminate signal crosstalk from neighboring patterns during overlay metrology.
- Five-Group Zoom Lens Aberration Compensation
A five-group zoom lens system adjusts group intervals and fifth group position to optimize optical performance.
- Bidirectional Holographic Lens for Dynamic Depth Adjustment
A bidirectional holographic lens uses surface acoustic wave transducers to dynamically adjust its focal length.
- Microfabrication of Spatially Varying Diffraction Gratings
A microfabrication process gradually changes substrate immersion depth in fluid to alter surface modulations and create spatially varying grating linewidths.
- Diffractive Convex Lens for Vehicle Illumination Aberration Control
Peripheral diffractive structures on a convex lens correct chromatic aberrations while suppressing glare from diffracted light.