Title :
Silicon on sapphire mid-IR wave-front engineering by using sub-wavelength gratings
Author :
Yuewang Huang ; Qiancheng Zhao ; Kalyoncu, Salih K. ; Torun, Rasul ; Yumeng Lu ; Boyraz, Ozdal
Author_Institution :
EECS Dept., Univ. of California, Irvine, Irvine, CA, USA
Abstract :
We propose a methodology to manipulate reflected field for the design of wavefront engineered device in mid-IR range using sub-wavelength silicon gratings on sapphire substrate. High reflectivity mirror, blazed grating and focusing reflector are designed.
Keywords :
diffraction gratings; infrared spectra; mirrors; optical design techniques; optical elements; optical focusing; reflectivity; sapphire; silicon; Si-Al2O3; blazed grating design; focusing reflector design; high reflectivity mirror design; silicon-on-sapphire midinfrared wave-front engineering; subwavelength gratings; Design methodology; Focusing; Gratings; Mirrors; Reflection; Reflectivity; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA