Direct characterization of focusing light by negative refraction in a photonic crystal flat lens

Tian, Jie (author): Department of Microelectronics and Applied Physics, Royal Institute of Technology, Electrum 229, Kista, Sweden,KTH,Microphotonics

Yan, Min (author): Department of Microelectronics and Applied Physics, Royal Institute of Technology, Electrum 229, Kista, Sweden

Qiu, Min (author): KTH,Mikroelektronik och tillämpad fysik, MAP,Department of Microelectronics and Applied Physics, Royal Institute of Technology, Electrum 229, Kista, Sweden

Ribbing, Carl-Gustaf, 1942- (author): Uppsala universitet,Fasta tillståndets fysik,Solid State Physics

Liu, Ya-Zhao (author): Optical Physics Lab, Institute of Physics, Chinese Academy of Science, Beijing, China

Zhang, Dao-Zhong (author): Optical Physics Lab, Institute of Physics, Chinese Academy of Science, Beijing, China

Li, Zhi-Yuan (author): Optical Physics Lab, Institute of Physics, Chinese Academy of Science, Beijing, China

(creator_code:org_t)

New York : AIP Publishing, 2008
2008
English.
In: Applied Physics Letters. - New York : AIP Publishing. - 0003-6951 .- 1077-3118. ; 93:19

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Abstract Subject headings

We report experimental measurements of the field distribution of the light spot focused by a two-dimensional photonic crystal flat lens at wavelengths 1.51-1.58 mu m. The photonic crystal slab is fabricated on a silicon-on-insulator substrate by focused-ion-beam direct milling. We confirm the light focusing by the photonic crystal slab through direct observation of the light spot entering into free space at the end facet of the slab lens. The beam profiles as the function of lateral position are measured and the minimal full width half maximum of the beam at 1.2 mu m (0.77 lambda) is obtained.

NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
NATURVETENSKAP -- Fysik (hsv//swe)
NATURAL SCIENCES -- Physical Sciences (hsv//eng)

By the author/editor: Tian, Jie; Yan, Min; Qiu, Min; Ribbing, Carl-Gu ...; Liu, Ya-Zhao; Zhang, Dao-Zhong; show more...; Li, Zhi-Yuan; show less...

About the subject

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

By the university: Royal Institute of Technology; Umeå University; Uppsala University

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