材料.........................................................................................石英晶體尺寸公差.....................................................................+0.00,-0.05mm定向精度.........................................................................................0.1 波前畸變........................................................................ /10@632.8nm相位延遲.............................................................................. /2, /4, /8延遲精度...................................................................................... /500平行度.............................................................................. 1arcsecond有效孔徑........................................................................................ 90%光潔度..............................................................................................20-10崩邊............................................................................................ 0.02mm