Results 61 to 70 of about 3,183 (273)

Enhanced Far-Field Directional Luminescence Emission by a Hybrid Structure Consisting of Silver Channel and Microlens

open access: yesIEEE Photonics Journal, 2019
In microfluidic detection, the distance between the fluorescent nanoparticles (FNPs) and the structure is usually in far-field range. In previous work, the enhancement of emission will decay exponentially with the increase of the distance between FNPs ...
Zhi-Hui Chen   +3 more
doaj   +1 more source

Spin and momentum of the light fields in inhomogeneous dispersive media with application to surface plasmon-polariton waves [PDF]

open access: yesUkr. J. Phys. Opt. V. 19, No 1, pp. 33 - 48 (2018), 2017
Following to the recently published approach [Phys. Rev. Lett. 119, 073901 (2017); New J. Phys., 123014 (2017)], we refine and accomplish the general scheme for the unified description of the momentum and angular momentum in complex media. The equations for the canonical (orbital) and spin linear momenta, orbital and spin angular momenta in a lossless ...
arxiv   +1 more source

A multi-exit recirculating optical packet buffer [PDF]

open access: yes, 2005
We propose a new type of recirculating buffer, the multiexit buffer (MEB), for use in asynchronous optical packet switches with statistical multiplexing, operating at speeds of 40-100 Gb/s.
Novella, H., Vanderbauwhede, W.A.
core   +1 more source

A review on the processing accuracy of two-photon polymerization

open access: yesAIP Advances, 2015
Two-photon polymerization (TPP) is a powerful and potential technology to fabricate true three-dimensional (3D) micro/nanostructures of various materials with subdiffraction-limit resolution.
Xiaoqin Zhou, Yihong Hou, Jieqiong Lin
doaj   +1 more source

Heterogeneous integration in silicon photonics through micro-transfer-printing [PDF]

open access: yes, 2019
Micro-transfer-printing enables the intimate integration of a wide range of opto-electronic micro-components on a silicon photonics platform. This technique allows for wafer-scale integration in a massively parallel manner with high alignment accuracy ...
Bower, Chris   +17 more
core   +2 more sources

Calcination-Enhanced Laser-Induced Damage Threshold of 3D Micro-Optics Made with Laser Multi-Photon Lithography

open access: yesPhotonics, 2023
Laser Direct Writing (LDW), also known as 3D multi-photon laser lithography of resins, is a promising technique for fabricating complex free-form elements, including micro-optical functional components.
Darius Gailevicius   +4 more
doaj   +1 more source

Atom Optics with Microfabricated Optical Elements [PDF]

open access: yes, 2001
We introduce a new direction in the field of atom optics, atom interferometry, and neutral-atom quantum information processing. It is based on the use of microfabricated optical elements.
Birkl, G   +3 more
core   +2 more sources

Anti-Reflective Coatings Produced via Atomic Layer Deposition for Hybrid Polymer 3D Micro-Optics

open access: yesNanomaterials, 2023
The increasing demand for optics quality requires the lowest optical power loss, which can occur from unwanted reflections. Laser direct writing (LDW) allows for the fabrication of complex structures, which is particularly advantageous in micro-optic ...
Darija Astrauskytė   +5 more
doaj   +1 more source

MEMS VOA with polymeric thermal microactuators [PDF]

open access: yes, 2002
A MEMS VOA with polymeric microactuators using microoptics is presented.
Dekker, R., Diemeer, M.B.J.
core   +1 more source

QKD hardware on small satellites [PDF]

open access: yes, 2023
Quantum Key Distribution (QKD) enables the exchange of secret keys by which, based on the laws of quantum physics, eavesdropping attempts can be detected and their maximum information can be determined.
Freiwang, Peter
core  

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