Invention Grant
US08989231B2 Surface emitting laser device, surface emitting laser array, optical scanning device, image forming apparatus, and manufacturing method of surface emitting laser device
有权
表面发射激光器件,表面发射激光器阵列,光学扫描器件,成像设备和表面发射激光器件的制造方法
- Patent Title: Surface emitting laser device, surface emitting laser array, optical scanning device, image forming apparatus, and manufacturing method of surface emitting laser device
- Patent Title (中): 表面发射激光器件,表面发射激光器阵列,光学扫描器件,成像设备和表面发射激光器件的制造方法
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Application No.: US13915921Application Date: 2013-06-12
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Publication No.: US08989231B2Publication Date: 2015-03-24
- Inventor: Hiroyoshi Shouji , Shunichi Sato
- Applicant: Hiroyoshi Shouji , Shunichi Sato
- Priority: JP2010-098533 20100422; JP2010-233246 20101018; JP2011-026719 20110210
- Main IPC: H01S5/00
- IPC: H01S5/00 ; H01S5/183 ; B41J2/47 ; H01S5/32 ; H01S5/42

Abstract:
A disclosed surface emitting laser device includes a light emitting section having a mesa structure where a lower reflection mirror, an oscillation structure, and an upper reflection mirror are laminated on a substrate, the oscillation structure including an active layer, the upper reflection mirror including a current confined structure where an oxide surrounds a current passage region, a first dielectric film that coats the entire surface of an emitting region of the light emitting section, the transparent dielectric including a part where the refractive index is relatively high and a part where the refractive index is relatively low, and a second dielectric film that coats a peripheral part on the upper surface of the mesa structure. Further, the dielectric film includes a lower dielectric film and an upper dielectric film, and the lower dielectric film is coated with the upper dielectric film.
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