聚合物全息光波导显示性能研究
Study on Display Performance of Polymer Holographic Optical Waveguide

使用菲醌掺杂的聚甲基丙烯酸甲酯光致聚合物研制了新型全息光波导器件。该器件具有优良的光学性能，能够实现不同波长激光的全反射传输。实验设计采用自由空间光与波导内传输光束干涉方式写入全息体光栅，这种新颖特殊的耦合方式能够将记录光束直接耦合进入波导内传输，而不需要其他耦合介质，大大简化了光波导材料的制作流程并降低了成本。实验研究表明，耦合写入光波导的全息光栅获得了理想的衍射光斑及图像信息再现效果，为利用聚合物全息光波导研制近眼显示器提供了实验依据。
A new holographic optical waveguide device was fabricated using phenoqui-none doped polymethyl methacrylate (PMMA) photopolymer. The device has excellent optical properties and can realize the total reflection transmission under different laser wavelengths. The interference between free space beam and transmitted beam in the waveguide is designed to write the holographic volume grating. This novel and special coupling mode can directly couple the re-cording beam into the waveguide for transmission without other coupling media, which greatly simplifies the fabrication process of optical waveguide material and reduces the cost. Experimental results show that the holographic grating coupled with the written optical waveguide can obtain the suitable diffraction spot and image information reproduction effect, which provides the experi-mental basis for the development of near-eye display using polymer holographic optical waveguide.