(2k-1)Rk=.123…0 明环 kRA BEEFR/R k=0.1.2.3 discuss 1)r=0, minimum: 2) distance of any two rings minimum) 1-n=√(k+)R=√kR =(V(k+1)-vk)√R 干涉级高的环间的间距小,即随 着r的增加条纹变密discuss: 1)r=0,minimum; 2)distance of any two rings( minimum) rk+1 − rk = (k +1)R − k R = ( (k +1) − k ) R 干涉级高的环间的间距小,即随 着r的增加条纹变密. k r rk = { 2 (2k −1)R kR k = .1.2.3. k = 0.1.2.3. 明环 暗环 k r R O R O’ k e