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？
76_8e{zbr @)Hbgkdi UNITS MM
lmtQr5U WAVELENGTHS 1.064 UM
oF b mz* $:u7Dv}\ SURFACE
\LoSUl
i PLANE Y -30 RECT 10 0.85
18p3 SHIFT X 0
*fvI.cKiGP SHIFT Z 10
vgQhdtt OBJECT 'DETECTOR'
%<J(lC9,C j&[3Be'pQ BEAMS INCOHERENT GEOMETRIC
vi! r8k FRESNEL TIR
"l[ V%f E WAVELENGTHS 1.064
~b$z\| Y GRID RECT Y -34.50204 0 20 -0.8 0.8 10 10
~ 0[G/A$] SOURCE DIR SIN[8.4089] COS[8.4089] 0
"Yfr"1RmO !!SOURCE DIR Y 81.5911
^tg6JB;s 0(U3~ k 6 WINDOW X Y
$~G0#JL WINDOW 1.1
J ! A/r< !!PROFILES OVERLAY 'SINGLET (on-axis and 7 degrees off-axis beam)'
Wr HgF*[ PLOT FACETS 3 3 OVERLAY
cfC; eRgq~ TRACE PLOT
3h[:0W!C] $VIEW
s9_`Wrg? yNqm]H3<MP CONSIDER ONLY DETECTOR
Z\*5:a] C?/r}ly<\ SELECT ONLY SOURCE 1
Jp.3KA> WINDOW X Z
@q{:Oc^ PIXELS 200
J]|6l/i $ gr6 OPDMAP
`hK>bHj ek(kY6x: DISPLAY
RQ*|+ ~H PLOT3D 0.5 'ON-AXIS WAVEFRONT MAP FOR SINGLET'
MgH1d&R @\6nXf RETURN
, Y g5X s;-78ejj7 
