Results 221 to 230 of about 8,903 (251)

Femtosecond Microfabrication of Subwavelength Photonic Structures

2006 European Conference on Optical Communications, 2006
The fabrication of sub-micron photonic structures beyond diffraction limit is demonstrated by means of tightly focused laser pulses. 25 mm long periodic structure with a pitch size of 260 nm is experimentally produced. Detailed numerical modelling is performed to establish mechanisms of such inscription.
Vladimir Mezentsev, Mykhaylo Dubov, Jovana S Petrovic, Ian Bennion   +3 more
openaire   +1 more source

Polarization separation element (subwavelength structure)

SPIE Proceedings, 2005
In many applications, where the period of a grating structure is less than the wavelength of the incident light, the grating structure will function more like a medium of uniform index of refraction than as a normal grating. The effective medium index being equivalent to the volume mean index of the grating structure.
Seiichiro Kitagawa, Kazuya Yamamoto, Makoto Okada   +2 more
openaire   +1 more source

High-Q subwavelength dielectric structures

Smart Photonic and Optoelectronic Integrated Circuits XXIII, 2021
Recent progress is nanoscale photonics is driven by the physics of Mie resonances of high-index dielectric nanoparticles that provides a novel platform for localization of light in subwavelength photonic structures and opens new horizons for metamaterial-enabled photonics, or metaphotonics.
openaire   +1 more source

Subwavelength structures for broadband antireflection application

Optics Communications, 2009
The subwavelength structures are designed and fabricated for broadband antireflection application. Under target of zero reflectivity, the parameters of periodic 2-D continuous conical structures are analyzed by the finite-difference time-domain (FDTD) method.
Chia-Jen Ting, Chi-Feng Chen, C.P. Chou
openaire   +1 more source

Subwavelength interference of light on structured surfaces

Advances in Optics and Photonics, 2018
This paper presents a review of the subwavelength interference effects of light in structured surfaces. Starting from the anomalous interference in simple structures such as double nanoslits, thin films, and catenary apertures, the theories and applications of light–matter interaction in layered, periodic, and aperiodic subwavelength structures are ...
Xiangang Luo, DinPing Tsai, Min Gu, Minghui Hong   +3 more
openaire   +1 more source

Optical Elements with Subwavelength Structured Surfaces

Optical Review, 2003
Various optical elements with subwavelength structured surfaces have been developed. The periods of the subwavelength structures are too short to generate diffracted light waves. But the structures are equivalent to refractive index materials with form birefringence.
Hisao Kikuta, Hiroshi Toyota, Wanji Yu
openaire   +1 more source

Subwavelength structures and their use in diffractive optics

Optical Engineering, 1996
A novel design for imitating continuous phase profiles by bi- nary subwavelength structures is presented. The working principle has recently been shown for regular gratings like beam deflectors (Haidner et al., 1993) or polarizing beamsplitters (Collischon et al., 1994). Our objective is to transfer this principle to non-strictly periodic gratings such
openaire   +1 more source

Subwavelength structures for polarization manupulation

2011
In dieser Arbeit wird die Entwicklung von Subwellenlängenstrukturen für die Polarisationsmanipulation des Licht im sichtbaren Bereich untersucht. Die Erzeugung von radial polarisiertem Licht wird als die Hauptanwendung angesehen. Weiterhin werden sie zur Gestaltung eines polarisatorarrays für die Shearing-Interferometrie eingesetzt.
openaire   +1 more source

Subwavelength Structures

2012
Yimei Zhu, Hiromi Inada, Achim Hartschuh, Li Shi, Ada Della Pia, Giovanni Costantini, Amadeo L. Vázquez de Parga, Rodolfo Miranda, Antoine Barbier, Cristian Mocuta, Rachid Belkhou, Bharat Bhushan, J. H. Hoo, K. S. Park, R. Baskaran, K. F. Böhringer, Wei Lu, Michael Nosonovsky, Moon-Ho Ham, Ardemis A. Boghossian, Jong Hyun Choi, Michael S. Strano, Amy Lang, Maria Laura Habegger, Philip Motta, Bharat Bhushan, Thomas Bachmann, Hermann Wagner, Donald W. Brenner, Jian Chen, Nika Shakiba, Qingyuan Tan, Yu Sun, Julia R. Greer, M. Laver, S. M. Khaled, Alessandro Parodi, Ennio Tasciotti, Bakul C. Dave, Sarah B. Lockwood, Claudia Musicanti, Paolo Gasco, Fritz Vollrath, Alexander Booth, Andy C. McIntosh, Novid Beheshti, Richard Walker, Lars Uno Larsson, Andrew Copestake, Hyundoo Hwang, Yoon-Kyoung Cho, Jian Chen, Michael Chu, Claudia R. Gordijo, Xiao Yu Wu, Yu Sun, Mathias Kolle, Ullrich Steiner, Szu-Wen Wang, Frederik Ceyssens, Robert Puers, Xiaodong Han, Shengcheng Mao, Ze Zhang, Lei Jiang, Ling Lin, Regina Ragan, Vanni Lughi, Carlos Drummond, Marina Ruths, Weiqiang Mu, John B. Ketterson, Pierre Berini, Ya-Pu Zhao, Feng-Chao Wang, Shaurya Prakash, Simon J. Henley, José V. Anguita, S. Ravi P. Silva, Munish Chanana, Cintia Mateo, Verónica Salgueirino, Miguel A. Correa-Duarte, Swastik Kar, Saikat Talapatra, Javier Calvo Fuentes, José Rivas, M. Arturo López-Quintela, Soichiro Tsuda   +88 more
openaire   +1 more source

Nanophotonic and Subwavelength Structures for Sensing and Biosensing

2010
Nanophotonic structures exhibit a large variety of effects on the nanoscale that can be used for biosensing in a biochip format. The resonance nature of these structures then allows high sensitivity to analytes, gases, or other external index perturbations down to the order of 10−8 refractive index unit.
openaire   +1 more source