像距 meaning in English
image distance
Examples
- The focusing properties of gaussian beams through a compound optical system are discussed . based on the matrix optical method , formulae of the beam width at the focal plane and imaging distance of focused gaussian beams through the system are derived
讨论高斯光束经复合光学系统的聚焦特性，利用矩阵光学方法，推导出了高斯光束经复合光学系统聚焦后束腰宽度和像距的计算公式。 - By the method of matrix optics , the waist width and imaging distance of gaussian beams through the coupling system are calculated . by the result of the calculation , a set of double planoconvex lens coupling system are designed and manufactured . the coupling efficiency is up to 92 %
利用矩阵光学的方法，计算了高斯光束经耦合系统聚焦后的像距和束腰宽度，以此为指导设计加工了一套双平凸镜耦合系统，耦合效率达92 ；在以上基础上研究了泵浦光与振荡光在激光晶体中的匹配，计算出了泵浦光经耦合系统后的最佳焦点位置。 - The appearance position of hot - image satisfied the rule of z2 = z1 - lv , z2 is mean the image distance , z1 is mean the object distance , and lv is mean the distance between the nonlinear medium . the theory is also validated by the optical propagation software . if n = 1 , then the nonlinear medium is only one , lv = 0 , and it will satisfy the rule z2 = z1
四、从非线性近轴波动方程基础上用散射矩阵理论推导了级联介质的热像规律,得出级联介质的热像位置满足z2 = z1 - lv ,其中z2为像距, z1为物距, lv为级联介质间的距离,并用光传输软件得到了验证;发现级联的非线性介质可以看成单一的非线性介质相连,散射点对级联介质的每一段非线性介质成像;当只有一段非线性介质时,可以认为lv为零,满足z2 = z1 。