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ball lenses
    Research on coupling efficiencies of ball lenses
    球透镜耦合效率研究
    and the optimal sphere temperature,the refractive index and the spectral transmissive index of the ball lenses which the diameter is 0.8mm are 1250℃、1.5190 and more than 90%.
    得到直径为0.8mm的球透镜最佳成球温度为1250℃、折射率为1.5190光谱透过率大于90%。
    The coupling efficiencies of the ball lenses used in coupling of the laser diode(LD) and single mode fiber(SMF) were calculated and researched by a energy integration method.
    根据能量积分法计算了球透镜用于激光二极管(LD)与单模光纤(SMF)之间耦合的耦合效率,并对其进行研究。
    Fabrication of ball lenses using the sagging method
    槽沉法制备球透镜
    3. We make researches on the coupling efficiency of the gradient-index ball lenses, which are used as couplers between the LED and the optical fiber, and the results show that we can attain a high efficiency when the gradient-index ball lenses are used as couplers.
    3、对变折射率球透镜用作发光二极管与光纤之间耦合器时的耦合效率进行研究,结果表明变折射率球透镜作耦合器时可得到较高的耦合效率。
    In the second part, relative theoretical contents of basic optical glass which are fabricated for ball lenses are represented.
    第二部分给出了制备球透镜所需要的光学玻璃的相关理论内容。
    In the fourth part, the researches of preparation technology are proceeded, including fabricating ball lenses using sagging method、 polishing of ball lenses and basic performance measurement.
    第四部分对球透镜的制备工艺进行研究,包括槽沉法制备球透镜球透镜的抛光和基本性能测试。
    Testing results indicated that the refractive indexes of the optical glass and ball lenses were 1.5198 and 1.5190,respectively,and the maximum coupling efficiency was 62.5%.
    直径为0.8 mm的球透镜最大耦合效率为62.5%。
    The sagging method was used to fabricate ball lenses according to the theory on which the transparent glass micro-sphere can be obtained because of freezing liquid due to the interfacial tension.
    依据在表面张力的作用下的液滴冷凝,得到透明玻璃微球理论[1],首次使用槽沉法来制备球透镜
    According to the developmental trend of coupling devices in the optical communications, a new style optical glass is developed and ball lenses can be fabricated using the sagging method depending on the liquid interfacial forces.
    根据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。
    The light intensity distribution of ball lenses diffraction facula is increasing and light intensity is decreasing during increasing the beam aperture and the maximum coupling efficiency is 62.5%.
    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; 直径为0.8mm的球透镜最大耦合效率为62.5%。
    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.
    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。
 

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