Title :
Single-mode 850 nm VCSELs array with high-power, single-lobe pattern, and narrow divergence angle
Author :
Kai-Lun Chi ; Jia-Wei Jiang ; Ying-Jay Yang ; Jin-Wei Shi
Author_Institution :
Dept. of Electr. Eng., Nat. Central Univ., Jhongli, Taiwan
Abstract :
A high-performance single-mode 850 nm VCSEL array is demonstrated. By using Zn-diffusion apertures with the proper array spacing, a circular-symmetric pattern with CW high-power (140 mW) and narrow divergence angle (~5°) have been simultaneously achieved.
Keywords :
diffusion; laser cavity resonators; semiconductor laser arrays; surface emitting lasers; Zn; Zn-diffusion apertures; circular-symmetric pattern; high-power pattern; narrow divergence angle; power 140 mW; proper array spacing; single-lobe pattern; single-mode VCSEL array; wavelength 850 nm; Arrays; Current measurement; Optical surface waves; Optical variables measurement; Power generation; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA