Title :
A new chirped grating for deflecting and focusing guided waves
Author :
Castagnolo, B. ; Xu, Z.
Author_Institution :
Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Italy
Abstract :
A novel binary chirped grating that could be used as an integrated deflecting-focusing lens is presented. The diffractive focusing function of the grating can be realized by the interference of input and output wavefronts. It has the combined characteristics of deflector and lens. Numerical examples of design of binary grating lenses are presented together with computer simulations, which allow one to expect high coupling efficiencies
Keywords :
chirp modulation; diffraction gratings; integrated optics; lenses; optical deflectors; optical design techniques; optical focusing; binary chirped grating; chirped grating; computer simulations; deflector; design; diffractive focusing function; guided wave deflection; guided wave focusing; high coupling efficiencies; input wavefronts; integrated deflecting-focusing lens; interference; lens; output wavefronts; Chirp; Coupling circuits; Diffraction gratings; Lenses; Optical control; Optical devices; Optical filters; Optical frequency conversion; Optical sensors; Optical waveguides;
Conference_Titel :
Electrotechnical Conference, 1996. MELECON '96., 8th Mediterranean
Conference_Location :
Bari
Print_ISBN :
0-7803-3109-5
DOI :
10.1109/MELCON.1996.551240
