Variable optical elements for fast focus control

SY Kang, M Duocastella, CB Arnold - Nature Photonics, 2020 - nature.com
… In this Review, we survey recent developments in the emerging field of high-speed
variable-z-focus optical elements, which are driving important innovations in advanced imaging and …

Non-mechanical beam steering and adaptive beam control using variable focus lenses for free-space optical communications

VV Mai, H Kim - Journal of Lightwave Technology, 2021 - opg.optica.org
focus lenses, we can steer the optical beam over a wide range in a non-mechanical fashion.
In this paper, we explore the possibility of using variable focus … three variable focus lenses, …

Bioinspired zoom compound eyes enable variable-focus imaging

JJ Cao, ZS Hou, ZN Tian, JG Hua… - … applied materials & …, 2020 - ACS Publications
… a zoom compound eye that enables variable-focus imaging. As compared with conventional
… miniature and smart optofluidic systems that permit variable-focus imaging, revealing great …

Simple but effective: strong efficiency boost for a linear variable filter-based spectrometer

A Kobylinskiy, M Kraus, X Uwurukundo… - Journal of Optical …, 2021 - spiedigitallibrary.org
… For all measurements, a multimode optical fiber with a core diameter of 105 μm and an
NA of 0.1 was used (Thorlabs M94L02). To focus and collimate the light to be analyzed, two …

Varifocal metalens for optical sectioning fluorescence microscopy

Y Luo, CH Chu, S Vyas, HY Kuo, YH Chia… - Nano Letters, 2021 - ACS Publications
… background noise is suppressed significantly, and the in-focus optical sectioning images of
… , a variable focus dielectric metalens is designed and implemented for high-contrast optical

Electrically actuated varifocal lens based on liquid-crystal-embedded dielectric metasurfaces

M Bosch, MR Shcherbakov, K Won, HS Lee, Y Kim… - Nano Letters, 2021 - ACS Publications
Compact varifocal lenses are essential to various imaging and vision technologies. However,
existing varifocal elements typically rely on mechanically actuated systems with limited …

Optimization of optical instruments under fluctuations of system parameters

BN Tiwari, JK Kibindé, N Gupta, M Khosravy… - International Journal of …, 2021 - igi-global.com
… of optimization variables. As per this analysis, for a given single lens, mirror, or optical
In this paper, we focus on an intrinsic characterization of both the lenses and mirrors. Indeed…

Design of thermal imaging continuous-zoom optical system

AV Kryukov, YY Kachurin, YS Datiy - Journal of Physics …, 2021 - iopscience.iop.org
… 424 type constant length zoom optical systems. Thus, section … obtain optical parameters of
the 424 type zoom optical systemsystem (6) it is offered to use 𝑎′6 distance as a variable to …

Metasurface-driven optically variable devices

C Jung, G Kim, M Jeong, J Jang, Z Dong… - Chemical …, 2021 - ACS Publications
… We believe this newly proposed concept of OVDs may bring about a new era of optical
anticounterfeit technology leveraging the novel concepts of nano-optics and nanotechnology. …

[图书][B] Building electro-optical systems: making it all work

PCD Hobbs - 2022 - books.google.com
… to understand for successful optical instrument design and … and constructing electro-optical
systems from beginning to end. … , Building Electro-Optical Systems remains one of the most …