Patent ID: 6826519
Filing Date: 2004-11-30
Classification: G02B,G03G,G06G

Abstract:
An optical path simulation CAD system comprising:an optical model creation unit creating and allowing a display of a three-dimensional optical model in which one or more optical components are disposed on an optical path extending from a light source to a final arrival position; and an optical axis auto-creation unit figuring out, based on predetermined set parameters, a cylindrical optical axis model having a predetermined optical axis diameter and length indicative of behaviors of beams of light in said three-dimensional optical model, said optical axis auto-creation unit arranging and displaying said optical axis model in said three-dimensional optical model, for verification, wherein for said optical component(s) interposed between said light source and a final arrival position, said optical axis auto-creation unit creates output-side optical axis model(s) in conformity with optical functions of said optical component(s) from input optical axis model(s), to arrange said output-side optical axis model between said optical component and a next adjacent optical component or said final arrival position, and wherein in case said optical component lying on said optical path is a movable reflecting a mirror that is capable of swinging around a predetermined rotational axis, said optical axis auto-creation unit is able to designate as control parameters the position of said rotational axis and the angle of a reflection surface within a three-dimensional space, said optical axis auto-creation unit automatically creating and arranging reflected optical axis models from input optical axis models on the basis of said control parameters.