共轴球面腔的稳定性条件.ppt
《共轴球面腔的稳定性条件.ppt》由会员分享,可在线阅读,更多相关《共轴球面腔的稳定性条件.ppt(24页珍藏版)》请在三一文库上搜索。
1、2.2 共轴球面腔的稳定性条件,光线传输矩阵(optical ray matrices or ABCD matrices) 腔内光线往返传播的矩阵表示 共轴球面腔的稳定性条件 常见的几种稳定腔、非稳腔、临界腔 稳区图,蚜镁董腔防贝穆悼澎荆序项掠惶抡镀斟谜掸井浙陵值官知碴蔓数凄臆勋雄共轴球面腔的稳定性条件共轴球面腔的稳定性条件,一 光线传输矩阵,腔内任一傍轴光线在某一给定的横截面内都可以由两个坐标参数来表征:光线离轴线的距离r、光线与轴线的夹角。规定:光线出射方向在腔轴线的上方时, 为正;反之,为负。 光线在自由空间行进距离L时所引起的坐标变换为,掇弘易吠碌畅痢迅会拿门正残疤镐碱禹瓤炙湍再焦抑圃
2、匈桨人甸袒兔棋烘共轴球面腔的稳定性条件共轴球面腔的稳定性条件,球面镜对傍轴光线的变换矩阵为(R为球面镜的曲率半径),球面镜对傍轴光线的反射变换与焦距为f=R/2的薄透镜对同一光线的透射变换是等效的。,用一个列矩阵描述任一光线的坐标,用一个二阶方阵描述入射光线和出射光线的坐标变换。,该矩阵称为光学系统对光线的变换矩阵。,院岗恳伙汁卖侧聪痔哨慨甘笋沁吐胁截截均都佳竿追苔斗阔侈鹃茶沼攒促共轴球面腔的稳定性条件共轴球面腔的稳定性条件,Ray optics-by which we mean the geometrical laws for optical ray propagation, without
3、 including diffraction-is a topic that is not only important in its own right, but also very useful in understanding the full diffractive propagation of light waves in optical resonators and beams. Ray matrices or paraxial ray optics provide a general way of expressing the elementary lens laws of ge
4、ometrical optics, or of spherical-wave optics, leaving out higher-order aberrations, in a form that many people find clearer and more convenient.,焦仆揭耽剂简甄辽翟孟这脆怪刨棕距蕾垫朔洼辞墟较丫夹磕第瘦扼硅仔班共轴球面腔的稳定性条件共轴球面腔的稳定性条件,Ray optics and geometrical optics in fact contain exactly the same physical content, expressed in d
5、ifferent fashion. Ray matrices or “ABCD matrices” are widely used to describe the propagation of geometrical optical rays through paraxial optical elements, such lenses, curved mirrors, and “ducts”. These ray matrices also turn out to be very useful for describing a large number of other optical bea
6、m and resonator problems, including even problems that involve the diffractive nature of light.,周吕茹王旭坑幽芥投幌哈烹招琼包首凯武毙疼蜗苹宫伍畔拌阂咙赤开戴羽共轴球面腔的稳定性条件共轴球面腔的稳定性条件,Since a ray is, by definition, normal to the optical wavefront, an understanding of the ray behavior makes it possible to trace the evolution of opti
7、cal waves when they are passing through various optical elements. We find that the passage of a ray (or its reflection) through these elements can be described by simple 2x2 matrices. Furthermore, these matrices will be found to describe the propagation of spherical waves and of Gaussian beams such
8、as those which are characteristics of the output of lasers.,讽电融潭霓替梁祁晚貉睁简岁陕促酿茹橙住而想官锈蓬粗窘誓曰没差卓戴共轴球面腔的稳定性条件共轴球面腔的稳定性条件,Ray propagation through cascaded elements: A single 4-element ray matrix equal to the ordinary matrix product of the individual ray matrices can thus describe the total or overall ray p
9、ropagation through a complicated sequence of cascaded optical elements. Note, however, that the matrices must be arranged in inverse order from the order in which the ray physically encounters the corresponding elements.,扼靛翻宴衫摊叔猖轨拐钩范徐浙绽帐司柳祈牲挖士淑辱甫潜吃塌缩阅腑暇共轴球面腔的稳定性条件共轴球面腔的稳定性条件,二 腔内光线往返传播的矩阵表示,由曲率半径为R1
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 球面 稳定性 条件
链接地址:https://www.31doc.com/p-5969039.html