A 740-GHz dynamic two-dimensional beam-steering and forming antenna based on photo-induced reconfigurable Fresnel zone plates

MIB Shams, Z Jiang, SM Rahman… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
We report a 0.74-THz beam-steering and forming antenna based on dynamically
reconfigurable photo-induced Fresnel zone plates (PI-FZPs) formed by patterned …

Integrated wide-angle scanner based on translating a curved mirror of acylindrical shape

YM Sabry, D Khalil, B Saadany, T Bourouina - Optics express, 2013 - opg.optica.org
A wide angle microscanning architecture is presented in which the angular deflection is
achieved by displacing the principle axis of a curved silicon micromirror of acylindrical …

Fabrication of a phase photon sieve on an optical fiber tip by focused ion beam nanomachining for improved fiber to silicon photonics waveguide light coupling

R Janeiro, R Flores, P Dahal, J Viegas - Optics Express, 2016 - opg.optica.org
We report the fabrication of a phase photon sieve (PS) on the tip of a standard single mode
fiber by focused ion beam (FIB) milling. The fiber tip was dip-coated with a conductive …

Magnetic-actuated stainless steel scanner for two-photon hyperspectral fluorescence microscope

Y Wang, YD Gokdel, N Triesault, L Wang… - Journal of …, 2014 - ieeexplore.ieee.org
We present a fluorescence two-photon laser scanning microscope that uses a soft-magnetic
stainless steel microscanner to generate a 2-D Lissajous scanning pattern. The wide …

Linear optical pulse compression based on temporal zone plates

B Li, M Li, S Lou, J Azaña - Optics Express, 2013 - opg.optica.org
We propose and demonstrate time-domain equivalents of spatial zone plates, namely
temporal zone plates, as alternatives to conventional time lenses. Both temporal intensity …

Design and lithographic fabrication of elliptical zone plate array with high fill factor

NNH Anh, HG Rhee, YS Ghim - Current Optics and Photonics, 2021 - opg.optica.org
An elliptical zone plate (EZP) array is important in off-axis optical systems because it
provides two advantages. First, the residual beam and the main source are not focused in …

A 3D polymer based printed two-dimensional laser scanner

HA Oyman, YD Gokdel, O Ferhanoglu… - Journal of Physics …, 2016 - iopscience.iop.org
Abstract A two-dimensional (2D) polymer based scanning mirror with magnetic actuation is
developed for imaging applications. Proposed device consists of a circular suspension …

Design and Fabrication of an Off-axis Elliptical Zone Plate in Visible Light

NNH Anh, HG Rhee, P Kang, YS Ghim - Current Optics and …, 2022 - opg.optica.org
An off-axis zone plate is able to focus on a single order while neglecting the zeroth order in a
visible imaging system. This allows one to enhance the contrast quality in diffractive images …

Performance of a three-dimensional-printed microscanner in a laser scanning microscopy application

HA Oyman, YD Gokdel, O Ferhanoglu… - Optical …, 2018 - spiedigitallibrary.org
A magnetically actuated microscanner is used in a laser scanning microscopy application.
Stress distribution along the circular-profiled flexure is compared with a rectangular …

[HTML][HTML] Investigation of dynamic instability of three plates switch under step DC voltage actuation using modified couple stress theory

KM Fard, A Gharechahi, NM Fard… - Latin American Journal of …, 2018 - SciELO Brasil
In this paper dynamical instability of three-layer micro-switch under DC voltage actuation
has been studied. Recent studies have used the classical beam theory while leaving out the …