Diffraction Gratings TRIZ Cases

A volume holographic chirped reflective grating corrects spatial beam deformation using mechanical pre-deformation or angular retracing.

Segmenting surface-relief micro-structures into separate gratings resolves fabrication difficulty while achieving high diffraction efficiency.

Gap materials between substrates prevent adhesive contraction from altering grating intervals, maintaining parallel alignment and optical performance.

A multi-layer security thread uses sub-wavelength microstructures to absorb light from both sides.

A reflective diffraction grating uses ridge and trench substructures to direct specularly reflected beams into zeroth-order directions.

A front-mounted anamorphic group with spherical intermediaries corrects chromatic aberration while maintaining oval bokeh across the zoom range.

Segmenting the zoom lens into four moving and stationary groups reduces weight while correcting spherical aberration fluctuations during zooming.

Variable rear focusing group movement suppresses field curvature fluctuations during zooming, maintaining high optical performance.

Segmented five-group design reduces chromatic aberration while maintaining thermal stability in compact anamorphic imaging systems.

Segmented image side group with negative refractive power corrects aberrations while reducing focusing group weight for high-speed operations.

Multi-layered LaserLoc articles use laser ablation to create counterfeit-resistant security features without increasing manufacturing costs.

Ion beam irradiation stabilizes polarization-reversed regions in ferroelectric single crystals without control layers.

Multi-layer gratings with varying refractive indices minimize polarization-dependent loss in telecommunications multiplexers.

Segmenting lens groups with optimized refractive indices resolves insufficient optical performance in conventional zoom systems.

Spatially offset periodic arrays expand the eyebox while suppressing rainbow artefacts via zoned diffraction control.

A multi-fiber endcap array uses subtractive manufacturing to fuse stems to a monolithic glass block.

Active cooling channels in low-expansion ceramic substrates maintain optical surface flatness under high average power laser loads.

A security device uses surface elements with diffractive gratings to generate image pixels that shift position based on viewing angles.

A digital microscope reconstructs wavefronts using phasorgrams and iterative algorithms to infer phase distribution from amplitude data.

Shifting the rear portion of the first lens group enables compact focusing without increasing total length or complicating the drive mechanism.

Etched diffractive structures on a single surface minimize reflection across broad wavelengths while eliminating coating complexity.

An obliquely arranged reflective grating replaces separate prisms to adjust laser direction, reducing module height and cost while maintaining high precision.

Dichroic patches on a single waveguide substrate separate red and blue-green light channels, reducing cross-talk without increasing device thickness.

Optimizing refractive indices in a multi-unit zoom lens reduces chromatic aberrations while maintaining high optical performance.

An asymmetric diffractive grating minimizes optical leakage by coupling TM-polarized light away from the world side.

A dielectric grating transmits narrow wavelength bands through symmetry breaking.

A movable condenser lens shifts position to collimate or converge laser light before a diffractive optical element.

Segmented gating structures control ion beam orientation to fabricate customized diffraction grating profiles with high precision.

An incidence diffraction grating couples light into a substrate, suppressing Fresnel reflection losses that degrade image quality in extended reality displays.

A zoom lens system uses a cemented third group element to correct image blurring during operation.

A reflection phase microscope uses a scanning mirror and waveplates to adjust light incidence angles.

A diffraction optical element converts incident light divergence angles and splits beams into multiple diffracted lights with distinct angular profiles.

Segmented diffractive elements merge horizontal and vertical beam combining to eliminate complex feedback systems while maintaining narrow spectral bandwidth.

An eight-lens zoom optical system uses four lens groups with aspheric surfaces to vary focal length.

A zoom lens configuration uses a rear negative lens unit with specific material properties to correct optical errors.

A zoom lens corrects aberrations using three moving groups to balance wide-angle view and high zoom ratio.

An asymmetric four-group lens configuration balances diverging power with aberration correction to achieve a wide angle of view and long back focus.