Study and Fabrication on Integrated Planar Optic Disk Pickup
集成光学平板光盘读出头研制
(College of Precision Instrument,
Opto-electronics Engineering,
Tianjin University,
Key Laboratory of Opto-electronics Information,
Technical Science(Tianjin University,
Ministry of Education,
Tianjin,
恩德,
陈才和,
崔宇明,
丁桂兰,
刘杰
Keywords: Integrated optic disk pickup,Aplanatic double-convex aspherical waveguide lens,Twin grating focus beam splitterP,Waveguide deflecting prisms
集成光学光盘平板读出头,非球面消球差双凸波导透镜,双光栅会聚光波导透镜,光波导转向棱镜
Abstract:
采用集成光学方法，将非球面消球差双凸波导透镜、双光栅会聚光波导透镜、光波导转向棱镜单片集成在铌酸锂基底上构成光学平板光盘读出头．集成光学平板光盘读出头克服了微透镜光盘读出头体积大、组装复杂的不足，实现了光盘读出头的集成化，提高了系统的可靠性．光斑理论值0．475μm，实测值0．67μm．
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