Unstable Bessel Optical Resonator with an Axicon
带圆锥透镜的非稳贝塞尔光学谐振腔
Geometric optics is used to analyze the influence on beam transmission as circular symmetry manufacture error exists on an axicon.
用几何光学分析了圆锥透镜的锥面存在圆对称加工误差时 ,对光束传输变换的影响 ;用衍射理论及稳相法分析了锥面的非圆对称加工误差及横截面由圆变为椭圆时 ,其后衍射光场的变化情况 。
AbstractIn the paper, an annular focus system of laser, combined by a convergent spherical lens and two axicons, one pergent and the other convergent, is proposed.
本文首次计算了由会聚球面透镜、发散圆锥透镜和会聚圆锥透镜形成的激光环形聚焦光斑的光强分布、特征宽度和光能量集中分布,所得到的光场分布表达式很适合于进行数值计算。
Since the central spot diameter of exit beam generated by the spherical wave beam passing through a conical lens is small and the focal depth of the exit beam is long,it is suitable for long distance measurement and alignment in laser communication.
球面波入射圆锥透镜产生的出射光束中心光斑直径较小且焦深长,适合通讯领域长距离测量和准直。
Staring from Fresnel diffraction integral,we deduced the optical intensity distribution in the Fresnel zone of the diffraction field of the annular-aperture lens axicon.
结果表明,光谱半宽σ小的多色高斯光束照射透镜轴棱锥时,不同观察面的光强分布均为J20的形式。
The paper derived a light equation for cone-lens.
本文推导了一个锥透镜的光线方程。
Unstable Bessel Optical Resonator with an Axicon
带圆锥透镜的非稳贝塞尔光学谐振腔
Geometric Optics Analysis on the Bottle Beam Generated From an Axicon-Lens System
轴棱锥透镜系统产生局域空心光束的几何光学解释
The Beam Propagation and Transformation in Axicon-Lens System
轴棱锥——透镜系统的光束传输与变换
Variable-focus liquid lens with suspended conical ring
带有悬浮锥形圆环的液体变焦透镜(英文)
Formation of freshwater lens in islands and evolution rules of the upconing
海岛淡水透镜体形成及倒锥演变规律分析
This setup, known as a conoscope, is shown in Figure 14.2 and consists of two stress-free plano-convex lenses A and B.
此装置称为锥光镜，如图14．2所示，它由A和B两个无应力平凸透镜组成。
Objective To discover the mechanisms of keratoconus by observing the ultrastructure of keratoconus with light microscopy and transmission electron microscopy.
目的 观察圆锥角膜在光镜及透射电镜下的超微结构,试图了解圆锥角膜的发病机制。
Experimental Investigation on Conical Horn Excited by an Azimuthally Symmetric Mode with Plate Lens
轴对称模激励的加平行板透镜圆锥喇叭实验研究
Study of Earlier Diagnosis and Rigid Gas Permable Contact Lenses Correction in Keratoconus;
圆锥角膜的早期诊断和透气性硬性角膜接触镜矫正治疗研究
Clinical Study on Rigid Gas Permeable Contact Lenses Correction for Keratoconus;
透气性硬性角膜接触镜对圆锥角膜屈光重建作用的研究
Study on rigid gas permeable contact lenses for keratoconus astigmatism correction
硬性透气性接触镜对角膜散光和圆锥角膜矫正分析
Long term efficacy of rigid gas permeable contact lens wearing in keratoconus
配戴透气性硬性角膜接触镜矫正圆锥角膜的远期效果
a concave lens [mirror]
凹透镜 [凹面镜]
meniscus (shaped) lens
凹凸透镜，弯月形透镜
aplanat [aplanatic] lens
消球差透镜，齐明透镜
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
Prism Adjustment Analysis of Optical Scanning System with Pyramid Mirror
锥镜光学扫描系统中的棱镜调整分析