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gradient index
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  gradient index
Inverse method for the reconstruction of refractive index profile and power management in gradient index optical waveguides
      
Secondary bistable solitons have been calculated for a non-linear optical inhomogeneous medium with parabolic gradient index and quadratic intensity-dependent refractive index change.
      
Secondary bistable solitons in non-linear gradient index media
      
The new possibilities of controlled nonlinear evaluation of short pulses in gradient index optical fibres, connected with the fundamental and higher modes of the fibre geometry and with the pulse envelope are analysed.
      
The nonlinear dynamical stabilization of ps-pulses in gradient index optical fibres
      
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The subject of gradient-index optical is subdivided into two majorapplications. The first is gradient-index elements used for communications. The se-cond major application is for imaging purposes. Gradient-index fiber is a new com-ponent of gradient-index optics. The surfaces of constant refractive index for cy-lindrical gradient-index fiber will be cylinders concentric with the axis, after be-ing pulled into a tapered form, the surfaces of constant...

The subject of gradient-index optical is subdivided into two majorapplications. The first is gradient-index elements used for communications. The se-cond major application is for imaging purposes. Gradient-index fiber is a new com-ponent of gradient-index optics. The surfaces of constant refractive index for cy-lindrical gradient-index fiber will be cylinders concentric with the axis, after be-ing pulled into a tapered form, the surfaces of constant refractive index will becones concentric with the axis and having a common apex. Tapered gradient-indexfiber lens is a novel optical plane lens. In this paper, starting from the paraxialmeridional ray path equation, object-image relationships are found and used to de-termine the equivalent focal length and the principal planes of tapered gradient-indexfiber lens. The position of principal planes and focal point for the entry and exitof the tapered gradient-index fiber lens could have been obtained directiy by invo-king the symmetry condition and replacing r_1 or r_2. These equations reduce to theknown formulas when k=0, r_1=r_2 (that is, for a cylindrical gradient-index fiberlens). The image of tapered gradient-index fiber lens (r_1=0.54mm, r_2=0.27mm,z_0=3mm; r_1=0.54mm, r_2=0.38mm, z_0=2.5mm) is shown by photographs.

锥形纤维透镜是一种新颖光学元件。本文从锥形聚焦纤维的光线轨迹方程出发,推导锥形纤维透镜的物像关系式,并求得等效焦距和主平面的位置。文中给出几幅锥形聚焦纤维透镜的成像相片。

This paper describes and discusses the solution of the differential equation of the ray-paths in the axial gradientindex media, the optical property of axial gradient-index plate, and the design of lens with the media.

本文讨论了轴向梯度介质中的光线微分方程的解及轴向梯度平板的光学性质,同时也讨论了利用这种介质进行透镜设计问题。

In this paper is described a gradient index media plate. The media plate has some properties similar to the Schmidt aspherical corrective plate. In the cata-dioptiric system. Duncan T. Moore has studied a axial gradient index corrective plate and gave a better result. This plate, in fact, is a zero power plate with two spherical surfaces of different radius of curvature. But my plate is designed with a shallow radial gradient index media, and it is a plate with a parallel plane.?The spherical...

In this paper is described a gradient index media plate. The media plate has some properties similar to the Schmidt aspherical corrective plate. In the cata-dioptiric system. Duncan T. Moore has studied a axial gradient index corrective plate and gave a better result. This plate, in fact, is a zero power plate with two spherical surfaces of different radius of curvature. But my plate is designed with a shallow radial gradient index media, and it is a plate with a parallel plane.?The spherical aberration of the gradient index corrector with parallel plane will eliminate the spherical aberration of the spherical primary mirror in the catadiop-tiric system. In this paper is analyzed the aberrational correction. In the conventional optical systems, this gradient index plate is used to provide the precorrec-tional quatity of the spherical aberration of the optical lens systems. The refractive index in such a media in the lens systems is given in the same way.

本文给出了一种类似于施密特非球面校正板作用的梯度折射率介质平板,这种介质是一种弱径向梯度折射率介质。

 
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