Large field-of-view nonlinear holography in lithium niobate

X Xu, P Chen, T Ma, J Ma, C Zhou, Y Su, M Lv… - Nano Letters, 2024 - ACS Publications
A nonlinear holographic technique is capable of processing optical information in the newly
generated optical frequencies, enabling fascinating functions in laser display, security …

Inverse design and demonstration of high-performance wide-angle diffractive optical elements

DC Kim, A Hermerschmidt, P Dyachenko, T Scharf - Optics Express, 2020 - opg.optica.org
Diffractive optical elements are ultra-thin optical components required for constructing very
compact optical 3D sensors. However, the required wide-angle diffractive 2D fan-out …

Wide angle 2D beam splitter design based on vector diffraction theory

H Hao, Z Tingting, S Qiang, Y Xiaodong - Optics Communications, 2019 - Elsevier
DOE with wide diffraction angle requires the feature size down to subwavelength. However,
the emerging vectorial effect of light beam makes the scalar diffraction theory invalid. To …

[HTML][HTML] On the integrability aspects of nonparaxial nonlinear Schrödinger equation and the dynamics of solitary waves

K Tamilselvan, T Kanna, A Govindarajan - Physics Letters A, 2020 - Elsevier
The integrability nature of a nonparaxial nonlinear Schrödinger (NNLS) equation, describing
the propagation of ultra-broad nonparaxial beams in a planar optical waveguide, is studied …

Transverse instability in nonparaxial systems with four-wave mixing

K Tamilselvan, A Govindarajan… - … Journal of Nonlinear …, 2023 - pubs.aip.org
We present a two-dimensional coupled nonlinear Schrödinger-like system with spatial
diffractions, degree of birefringence, and four-wave mixing. This system describes two …

[HTML][HTML] Head-mounted miniature motorized camera and laser pointer driven by eye movements

V Nourrit, JB Lamour, B Abiven, B Fracasso… - Sensors, 2023 - mdpi.com
Recording a video scene as seen by an observer, materializing where is focused his visual
attention and allowing an external person to point at a given object in this scene, could be …

Modeling, design and fabrication of diffractive optical elements based on nanostructures operating beyond the scalar paraxial domain

GN Nguyen - 2014 - hal.science
This thesis aims to extend the range of Diffractive Optical Element (DOE) applications by
developing models, algorithms and rapid prototyping techniques for DOEs with diffraction …

Faceted Fresnel DOEs creating the perception of a floating 3D virtual object under divergent illumination

Q Song, YE Pigeon, K Heggarty - Optics Communications, 2019 - Elsevier
An approach for the optimization and fabrication of a phase-only faceted Fresnel type
diffractive optical element (FDOE) creating 3D virtual object is proposed. The FDOE is a …

On the design and optimization of wide angle diffractive optical elements

DC Kim - 2021 - infoscience.epfl.ch
Diffractive optical elements (DOEs) which consist of microstructure surface relief permit the
generation of the spatial distribution of light beams by using a single element. Due to their …

Modeling and Correcting Pincushion Distortion in Wide-angle Projection Images of Diffractive Optical Elements

WF Hsu - Laser Science, 2023 - opg.optica.org
Conference title, upper and lower case, bolded, 18 point type, centered Page 1 Modeling and
Correcting Pincushion Distortion in Wideangle Projection Images of Diffractive Optical Elements …