如下程序，平面
光源以一定角度发射
光线至与其平行的
探测器上，怎么计算得到的波前有84个
波长啊？
yJ(B PSt +9 Uo<6} UNITS MM
qu}`;\9@ld WAVELENGTHS 1.064 UM
AOh\%|} PS*=MyNa SURFACE
2(_+PQ6C= PLANE Y -30 RECT 10 0.85
\ C^fi}/] SHIFT X 0
~; m3i3D SHIFT Z 10
XiP xg[; OBJECT 'DETECTOR'
+`;YK7o y" >_$ BEAMS INCOHERENT GEOMETRIC
!/1aot^( FRESNEL TIR
M q!vu! WAVELENGTHS 1.064
%/b3G*$W GRID RECT Y -34.50204 0 20 -0.8 0.8 10 10
2WKYf0t SOURCE DIR SIN[8.4089] COS[8.4089] 0
}N^A
(`L !!SOURCE DIR Y 81.5911
b4l= Bg" 9qhX\, h WINDOW X Y
^qn,b/>L WINDOW 1.1
fjc8@S5x9j !!PROFILES OVERLAY 'SINGLET (on-axis and 7 degrees off-axis beam)'
f-w-K)y$ht PLOT FACETS 3 3 OVERLAY
`WjRb TRACE PLOT
j gcI|?yL $VIEW
Dd1\$RBo wi7a_ ^{ CONSIDER ONLY DETECTOR
]n8
5.DF rQ_!/J[9 SELECT ONLY SOURCE 1
5xHP5+& WINDOW X Z
h .A@o#x PIXELS 200
jRk" #: 3 ID 1> OPDMAP
(?9 @nS <ptskbu DISPLAY
br@GnjG PLOT3D 0.5 'ON-AXIS WAVEFRONT MAP FOR SINGLET'
X:aLed_{f cqP)1V] RETURN
NJ^H"FLS: -r.Qy(}p 
