Title :
Nearfield investigation of subwavelength structured graded-index lens
Author :
Abashin, Maxim ; Levy, Uriel ; Ikeda, Kazuhiro ; Tsai, Chia-Ho ; Fainman, Yeshaiahu
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of California, La Jolla, CA
Abstract :
Using a heterodyne nearfield scanning optical microscope (H-NSOM) we characterize the operation of a novel graded-index slab lens made of subwavelength features. Measured amplitude and phase distributions show light focusing and is used to learn about the device performance.
Keywords :
gradient index optics; lenses; nanophotonics; optical microscopes; graded index slab lens; heterodyne nearfield scanning optical microscope; subwavelength structured graded index lens; Geometrical optics; Lenses; Nonlinear optics; Optical interferometry; Optical mixing; Optical refraction; Optical surface waves; Optical variables control; Optical waveguides; Slabs; 130.3120 Integrated optics devices; 180.5810 Scanning microscopy;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629071
