<P>这是光束以45度入射平行平板所产生的像散示意图，同时也请教一下大家在Zemax中如何看高斯光束之光斑大小，谢谢！！！！</P><img src="data/attachment/forum/dvbbs/2004-8/2004821142455414.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2004-8/2004821142455414.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
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