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球透镜
相关语句
  ball lens
    Second, in the process of developing elements, applied diffraction-refraction mixed elements (ball-lens + micro-optics elements)to light beam coupling so as to ensure the stability of performance parameter of optical devices, and made full use of ball lens symmetry to reduce the tuning freedom of elements .
    二.为了保证光器件的性能参数的稳定,在器件的研制过程中提出将折衍混合元件(球透镜加微光学元件)用于光束耦合,充分利用球透镜的对称性,减少了元件的调节自由度。
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  ball lens
Micro-ball lens array fabrication in photoresist using PTFE hydrophobic effect
      
This paper presents a simple method for fabricating a micro-ball lens and its array.
      
High contact angle between the melted photoresist pattern and PTFE generates the micro-ball lens and array.
      
A thermal reflow process is then applied to melt these micro-column patterns into a micro-ball lens array.
      
The achieved micro-ball lens array has a diameter of 98?μm fabricated using 80?μm diameter patterns.
      
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The efficiency of fiber-coupling calculation in optical switches based on the theory of Gaussian beam is introduced. The propagation rule through ball lens based on the ABCD matrix is presented. The coupling efficiency of SMF to SMF through two ball lenses is calculated. The contributing factor of the coupling efficiency is analyzed. The position of the tip of SMF is determined by numerical calculation, and the insert lose reaches minimum. Theoretically, the coupling efficiency of the 4×4 optical switch is above...

The efficiency of fiber-coupling calculation in optical switches based on the theory of Gaussian beam is introduced. The propagation rule through ball lens based on the ABCD matrix is presented. The coupling efficiency of SMF to SMF through two ball lenses is calculated. The contributing factor of the coupling efficiency is analyzed. The position of the tip of SMF is determined by numerical calculation, and the insert lose reaches minimum. Theoretically, the coupling efficiency of the 4×4 optical switch is above 91% at λ=(1.55)μm.

利用高斯光束传输理论进行了阵列光开关的光纤耦合设计计算。根据ABCD矩阵推导出了光束通过球透镜时的传播规律,计算了在光纤与光纤之间两个球透镜耦合的效率,分析了影响耦合效率的因素。通过设计计算,确定了光纤端部的位置,使得整个损耗达到了最小。从理论上来看,在波长λ=1 55μm时,4×4阵列光开关的耦合效率可以达到91%以上。

>=According to the developmental trend of coupling devices in optical communication, a new style optical glass is developed and ball lenses can be fabricated by use of sagging method depending on liquid interfacial force. Diffraction intensity distribution of ball lens which diameter is 0.8mm is researched, results indicate: diffraction intensity distributions of ball lens are 0.2μm,0.4μm and 1.0μm according to 0.2mm, 0.4mm and 0.8mm of the beam apertures. Consequently, diffraction intensity distribution of...

>=According to the developmental trend of coupling devices in optical communication, a new style optical glass is developed and ball lenses can be fabricated by use of sagging method depending on liquid interfacial force. Diffraction intensity distribution of ball lens which diameter is 0.8mm is researched, results indicate: diffraction intensity distributions of ball lens are 0.2μm,0.4μm and 1.0μm according to 0.2mm, 0.4mm and 0.8mm of the beam apertures. Consequently, diffraction intensity distribution of ball lens is increasing and diffraction intensity is decreasing during increasing the beam aperture.

根据国内外光通信耦合器件发展的趋势,研制了一种新型玻璃,依靠液体表面张力的作用,首次采用槽沉法来制备球透镜,得到了理想的效果。通过对直径为0.8mm的球透镜的焦斑强度分布进行研究,结果表明:当通光孔径分别为0.2mm,0.4mm和0.8mm时,球透镜的衍射焦斑强度的分布分别为0.2μm,0.4μm和1.0μm。因此,伴随着通光孔径的增加,球透镜的衍射焦斑强度分布增大,衍射的强度减小。

 
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