脱离传统显微镜的微型光镊微操作仪研制  

Development of mini-optical tweezer apparatus without traditional microscope system

作　　者：李煌[1] 李光仁 姚焜[1] 叶俊雄 李银妹[1] 

机构地区：[1]中国科学技术大学光学与光学工程系,安徽合肥230026 [2]上海中珂光镊科技有限公司,上海200065

出　　处：《量子电子学报》2015年第2期216-221,共6页Chinese Journal of Quantum Electronics

基　　金：国家自然科学基金资助(11302220)

摘　　要：脱离了传统商业显微镜系统,成功研制一套具有单光束梯度力阱核心功能的微型光镊仪器,同时实现了对微粒的三维捕获和pN力的测量。系统采用无穷远光学成像设计、半导体激光光源和LED照明、千分尺三维操控平台,形成全封闭光路,一体化工艺设计的整机系统。操纵稳定,结构紧凑,可定量测量,抗干扰能力强,使用调节方便。仪器体积小巧,制造成本低,便于光力学效应的认知教育,也可用于微米微粒的操作探测等科学研究和应用,有利于专业光镊仪器的市场推广。A mini-optical tweezer apparatus with the core function of a single optical trap was set up,which achieves the three dimensions capture of particles and the measurement of pN scale forces,without the traditional commercial microscope system.In this new system,the design of infinite optical imaging was adopted,and the semiconductor laser source and LED lighting were used to compact the structure of the machine.The micrometer 3-dimensional control platform can complete stable operations and quatitative measurements.With the fully closed optical path and integrating design,it becomes easier to adjust the machine and resist the external disturbance.This apparatus is compact and low costs so that it can be widely applied in the education of the mechanical effect of light,as well as scientific researches and applications of micrometer scale particles.In conclusion,the research and development of this independent optical tweezer apparatus will make contributions to the marketization of optical tweezer apparatus in the future.

关 键 词：光镊 微型操作仪 脱离传统显微镜系统 三维捕获 pN力 

分 类 号：TN249[电子电信—物理电子学]