光学学报, 2016, 36 (8): 0831001, 网络出版: 2016-08-18  

增强现实系统宽光谱大视场偏振光波导的研制 下载: 573次

Study and Fabrication of Polarized Waveguide with Broad Spectrum and Large Field of View in Augmented Reality System
作者单位
长春理工大学光电工程学院, 吉林 长春 130022
摘要
分析了两种光学波导结构对光波导视场及其尺寸的影响,并对光波导结构和薄膜进行了优化。通过TFCalc软件对波导中的p偏振光分光膜进行设计,选择H4和MgF2分别作为高、低折射率材料,并结合Needle法和Variable Metric法对膜系进行了优化。在450~600 nm波段,制备的p偏振光分光膜在25°入射角下的平均反射率为30.1%,50°~ 80°入射角下的平均反射率小于5%。该分光膜满足牢固度测试要求。
Abstract
The effects of the two kinds of optical waveguide structures on the field of view and the size of waveguides are analyzed, and the waveguide structure and thin films are optimized. With the TFCalc software, the p polarized beam splitting films in the waveguide are designed. With the choice of H4 and MgF2 as the respective high and low refractive index materials and with the combination of the Needle and Variable Metric methods, the film system is optimized. In the wave band of 450~600 nm, the average reflectivity of the p polarized beam splitting films is 30.1% at an incident angle of 25° and is less than 5% at angles of incidence from 50° to 80°. The above film fulfills the requirements for the firmness testing.
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付秀华, 陈志航, 张静, 张于帅, 寇洋. 增强现实系统宽光谱大视场偏振光波导的研制[J]. 光学学报, 2016, 36(8): 0831001. Fu Xiuhua, Chen Zhihang, Zhang Jing, Zhang Yushuai, Kou Yang. Study and Fabrication of Polarized Waveguide with Broad Spectrum and Large Field of View in Augmented Reality System[J]. Acta Optica Sinica, 2016, 36(8): 0831001.

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