Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device
文献类型:专利
作者 | HARASAKA, KAZUHIRO; SATO, SHUNICHI; HAYASHI, MASAHIRO; ITOH, AKIHIRO; HANAOKA, KATSUNARI |
发表日期 | 2014-05-27 |
专利号 | US8736652 |
著作权人 | RICOH COMPANY, LTD. |
国家 | 美国 |
文献子类 | 授权发明 |
其他题名 | Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device |
英文摘要 | A surface-emitting laser device includes a transparent dielectric layer provided in an emitting region and configured to cause a reflectance at a peripheral part to be different from a reflectance at a central part in the emitting region. In the surface-emitting laser device, the thickness of a contact layer is different between a region having a relatively high reflectance and a region having a relatively low reflectance in the emitting region. The contact layer is provided on the high refractive index layer of an upper multilayer film reflecting mirror, and the total optical thickness of the high refractive index layer and the contact layer in the region having the relatively low reflectance is deviated from an odd number multiple of a one quarter oscillation wavelength of laser light emitted from the emitting region. |
公开日期 | 2014-05-27 |
申请日期 | 2011-05-18 |
状态 | 授权 |
源URL | [http://ir.opt.ac.cn/handle/181661/34089] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | RICOH COMPANY, LTD. |
推荐引用方式 GB/T 7714 | HARASAKA, KAZUHIRO,SATO, SHUNICHI,HAYASHI, MASAHIRO,et al. Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device. US8736652. 2014-05-27. |
入库方式: OAI收割
来源:西安光学精密机械研究所
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