1.It makes the central maximum in the Airy pattern narrower and increases the depth of focus.Calculation results have shown that this kind of apodizer is superior to the phase-shifting apodizer.
拟计算结果表明,在中心峰值强度相等的条件下,用该器件所获得的超
辨效果比目
最好的纯相位型超
辨光阑要好。