prism n. 1.【数学】棱柱(体),角柱(体);【物理学】(结晶)柱。 2.棱镜;棱晶。 3.【物理学】分光光谱;〔pl.〕光谱的七色;折光物体。 an oblique [a regular, a right, a triangular] prism 斜[正、直、三角]棱柱。 cross prisms 正角棱镜。 prism glasses 棱镜双目望远镜。 a reversing prism 反像棱镜。 a prism of first [second] order 【物理学】(结晶)第一[第二]柱。
angle n. 【英史】盎格鲁人〔cf. Angles〕。 angle1 n. 1.角,隅,角落;棱,嬗角。 2.【数学】角,角位,角的度数。 3.【机械工程】角铁。 4.见地,观点。 5.(事物的)方面,角度。 6.〔口语〕隐蔽的个人动机;诡计。 7.〔口语〕(新闻报导的)偏见,歪曲。 an auxiliary [subsidiary, supplementary] angle 补角。 an external [exterior] angle 外角。 an internal [interior] angle 内角。 an obtuse angle 钝角。 a vertical angle 对顶角。 a right angle 直角。 a straight angle 平角。 an optical [a visual] angle 视角;【矿物】光轴角。 angle of attack 【航空】气压角,迎角。 angle of bank [roll] 【航空】转角。 meet at right angles 相交成直角。 take the angle 测角度。 view from various angles 由各方面观察。 vt. 1.使(摄影机等)偏成[转向]某一角度。 2.使(新闻报导等)带上色彩[倾向性]。 She angled her column of chitchat towards teen-agers. 她的闲话专栏着眼于青少年。 angle one's camara (摄影时)对角度。 angle a report 使报告搀杂偏见。 vi. 1.转变角度;突然朝某方向转去。 2.以一个角度移动。 n. 〔古语〕钓钩;钓具。 a brother of the angle 钓鱼者。 vi. 1.钓鱼。 2.〔美俚〕钓(誉),贪图,图谋。 angle for carp 钓鲤鱼。 angle for praise 沽名钓誉。 vt. 在…钓鱼。
The asymmetry of beam splitting angle of wollasion prismis is described , and the elimination of adjustable beam splitting angle prism by adusting the cemented layer is analyzed 摘要给出了渥拉斯顿分束角的不对称性,指出通过调整胶合介质层的均匀性可消除可调分束镜分束角的不对称性。
This paper analyses the critical angle method that often use in focus detected . we receive two relations , the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal 本文针对伺服系统中常用的调焦方法-临界角方法进行了分析,理论上得到临界角棱镜的折射率、物镜的数值孔径与离焦误差信号的关系。
This paper analyses emphatically the position error and manufacture error of critical - angle prism the position error and aberration of object lens the position error and manufacture error of the polarization beam splitter the position error of the detector , and come out their relations 着重分析了临界角棱镜位置误差与制造误差;物镜的位置误差与像差;偏振分束棱镜的位置误差与制造误差;探测器的位置误差等对离焦误差信号的影响,并给出了理论曲线。
The principle , theory , realizing methods for holographic lithography as well as the pattern transfer mechanism among the traditional photomask - hologram mask - resist have been deeply investigated . an experimental system with total inner reflection wavefront conjugation holographic lithography using right angle prism and refractive index matching liquid is designed and built , and the experimental research is carried out 对全息光刻的原理、理论、实现方法及传统光掩模?全息掩模?抗蚀剂图形传递机理进行了深入的研究,设计和建立了采用直角棱镜和折射率匹配液的全内反射波前共轭全息光刻实验系统,进行了实验研究。
This paper designs an optical system based on above to measure the small angle of the laser beam . a non - polarized beam splitter ( npbs ) is used to split the incident beam into two branches , and a rhombic prism agglutinated by two right - angle prisms is placed to realize total internal reflection twice in each branch . it not only improves the measurement sensitivity and linearity , but also increases antinoise ability by the differential optics 本文正是基于这一原理设计了测量光束微小偏转角的光路系统,用消偏振分光棱镜将入射光分为两路,并在两路分别用两个直角棱镜组成的斜方棱镜来实现两次全内反射,不但提高了测量灵敏度和线性,还利用差分光路的特点提高了抗干扰能力。