alternating-gradient lens 交变陡度透镜
radial gradient lens 自聚焦透镜
gradient-index lens 梯度折射率透镜
radial gradient index lens 由一排小口径的渐变折射率柱状透镜
gradient-tinted lens 渐变着色镜片
gradient-index lens array 变折射率透镜阵列
gradient-index rod lens 梯度折射率透镜
gradient index rod lens 梯度折射率棒透镜的
gradient index fiber lens 渐变折射率式光纤透镜
Based on that the laser rod is equivalent to gradient index rod (GRIN), a new thermal lens focal length expression was achieved.
把激光棒等效为梯度折射率棒，得到了新的热透镜焦距公式。
The accurate expressions to calculate the aberration for two sorts of lens decrease on the increase of gradient index.
严格的数值计算结果表明：两类透镜的纵、横向球差都随折射率梯度的增强而减小。
The spherical gradient refractive index micro-lens with small volume and short optical path can be easily shaped and conveniently adjusted, and has no spiral rays and low spherical aberration.
球对称梯度折射率微球透镜具有体积小、光路短、外形易加工、使用易调整，且无螺旋光线、像差小等优越性能。
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