Inclined portions in a multistep diffractive optical element reduce interfacial reflection and stabilize light patterns across varying incidence angles.
A diffraction grating uses polarization characteristics to adjust outgoing light intensity through simple rotation.
Germanium and zinc selenide lenses separated by an air gap correct chromatic aberrations to achieve diffraction limited performance over broad wavelength bands.
A zoom lens uses a focus group with an Abbe constant greater than 60 to correct chromatic aberration.
Waveguide eye tracker uses grating structures to direct infrared light toward the user's eye and capture reflected signals for position detection.
A security element uses two rotated subwavelength gratings to generate dispersive polarization filtering effects in transmission.
Integrating multiple linear gratings into a single 3D structure eliminates precise alignment requirements and reduces manufacturing complexity.
Contact multi-layer diffractive optics on eyepiece lenses correct chromatic aberrations and flare across wide wavelength ranges.
A diffractive optical element uses a remnant layer to enable thin-film interference for phase matching.
A light modulation apparatus combines phase and polarization spatial light modulators for simultaneous optical control.
A zoom lens forms an intermediate image between optical systems to re-image the view.
Varying the grating period across an optical coupler expands spectral bandwidth, preventing photonic channel clipping in wavelength-division multiplexing.
A digital exposure device modulates light via a grating light valve to form precise patterns on substrates.
Zonal optical elements suppress chromatic aberration in white light by incorporating stochastic displacement and modulation features within the zone structure.
Processing circuitry measures stray reflection delays to calibrate time-of-flight sensors.
A waveguide with sub-wavelength grating structures manipulates light interference to reduce surface reflections in head-mounted displays.
A cohesive light-conductive irradiation module splits measuring beams through integrated optical components.
Segmenting the waveguide into planar facets allows arbitrary curved shapes while maintaining total internal reflection.
A display optical system uses a diffractive metasurface to control wavelength dispersion and correct lateral chromatic aberration.
Segmented active lens zones reduce distortion artifacts while maintaining low electrical power consumption.
A collimating lens uses aspherical groups and a flat diffraction element to align light beams.
A biosensor chip integrates a grating array and metal nanometer focusing units to direct light signals onto sensor pixels.
Local electrodes apply low voltage to refractive index variable regions, steering light paths while preventing scattering from liquid crystal droplets.
Segmented single pole aperture plates isolate X and Y axis diffraction signals to eliminate signal crosstalk from neighboring patterns during overlay metrology.
A five-group zoom lens system adjusts group intervals and fifth group position to optimize optical performance.
A bidirectional holographic lens uses surface acoustic wave transducers to dynamically adjust its focal length.
A microfabrication process gradually changes substrate immersion depth in fluid to alter surface modulations and create spatially varying grating linewidths.
Peripheral diffractive structures on a convex lens correct chromatic aberrations while suppressing glare from diffracted light.
Segmented negative lens groups with aspherical surfaces correct spherical aberration and distortion while managing device complexity.
A monolithic double diffractive kinoform doublet uses segmented facets with distinct refractive indices to shape optical radiation.
Segmenting the antireflection layer into distinct wavelength bands resolves the trade-off between broad transmittance and optical reliability.
Irregular diffractive structures create an achromatic appearance that defeats visual replication, enabling instrument-based verification of authenticity.
A zoom lens unit applies reflectivity-reducing treatments to specific lens surfaces to suppress ghost image intensity.
Spatially overlapped angularly multiplexed holograms expand the angular bandwidth of near-eye display waveguides without increasing device thickness.
A carrier with a diffractive structure shapes light beams while a cover protects the element from external damage.
Setting the incident light surface to the (110) crystal plane during machining prevents brittle failures and achieves high surface precision.
An asymmetric waist design in a fanout diffractive optical element resolves the trade-off between manufacturing complexity and diffraction efficiency.
Variable draft angles in Fresnel structures minimize diffraction artifacts while maintaining lightweight head-mounted display designs.
A disordered multilayer photonic crystal structure generates unique electromagnetic spectra for physical object authentication.
A non-periodic dielectric grating concentrates electromagnetic radiation onto solar cells using guided mode resonance.
A diffractive optical element uses a partially unwrapped phase profile to distribute illumination into structured light across multiple diffraction orders.
Alternating positive and negative lens groups move independently to suppress aberration fluctuations and reduce ghost generation during zooming.
Introducing a wedge array corrects beam paths, eliminating spot shading and aberrations while maintaining scanning accuracy across the full field angle.
Rotating planar phase plates changes optical path length to achieve zoom functionality, eliminating the need for heavy multi-element assemblies.
Pattern structures on the substrate obstruct surface and back-scattered waves, reducing terahertz emission loss.
A cholesteric liquid crystal layer diffracts specific circularly polarized light through transmission.
A method tunes micro-photonic resonators by injecting light to trigger photo-electrochemical etching in an ionic fluid.
A zoom lens uses five groups to achieve high variable magnification ratios exceeding 12x while maintaining compactness.