Title :
Coherent stitching of light in femtosecond laser formed multi-layered volume gratings
Author :
Ng, Manwa L. ; Chanda, D. ; Herman, Peter R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada
Abstract :
We propose and demonstrate a novel method for improving diffraction efficiency through strategic arrangement of multilayered weak phase gratings to coincide with Talbot planes. Multilayered volume gratings were written inside fused silica with femtosecond lasers.
Keywords :
Talbot effect; diffraction gratings; high-speed optical techniques; laser materials processing; light coherence; optical multilayers; silicon compounds; SiO2; Talbot planes; coherent light stitching; diffraction efficiency; femtosecond laser; fused silica; multilayered volume gratings; multilayered weak phase gratings; Diffraction; Diffraction gratings; Finite difference methods; Gratings; Indexes; Time-domain analysis; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
