Sökning: "sub-wavelength gratings"

Hittade 3 avhandlingar innehållade orden sub-wavelength gratings.

  1. 1. Diffractive optics : applications and beam-shaper design

    Författare :Mathias Johansson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical A D converter; antireflection; diffractive optics; sub-wavelength gratings; beam shaping; multichannel rotary joint; speckle-free pattern;

    Sammanfattning : .... LÄS MER

  3. 2. Design, Fabrication, and Characterization of Nano-Photonic Components Based on Silicon and Plasmonic Material

    Författare :Liu Liu; Lars Thylén; Roe Baets; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nano-photonics; finite-difference time-domain method; finite-difference mode solver; amorphous silicon; silicon nanowire; arrayed waveguide grating; photonic crystal; Photonics; Fotonik;

    Sammanfattning : Size reduction is a key issue in the development of contemporary integrated photonics. This thesis is mainly devoted to study some integrated photonic components in sub-wavelength or nanometric scales, both theoretically and experimentally. LÄS MER

  4. 3. Micro-Optical Elements in Gallium Arsenide and Diamond: Fabrication and Applications

    Författare :Mikael Karlsson; James R. Leger; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Materialvetenskap; Materials science; Teknisk materialvetenskap; Materialvetenskap; Materials Science;

    Sammanfattning : This thesis mainly treats the fabrication and applications of micro-optical elements in the semiconductor materials gallium arsenide (GaAs) and diamond.The recent trend in high-capacity data transfer using light as the information carrier creates new demands on the optoelectronic systems, such as small size, low cost and the integration of many components. LÄS MER