input.txt

# coating file for detector A/R
# column 1 is the angle of incidence (degrees)
# column 2 is the wavelength (microns)
# column 3 is the transmission probability
# column 4 is the reflection probability
      14.2000     0.531000    0.0618000     0.938200
      14.2000     0.532000    0.0790500     0.920950
      14.2000     0.533000    0.0998900     0.900110
      14.2000     0.534000     0.123240     0.876760
      14.2000     0.535000     0.146740     0.853260
      14.2000     0.536000     0.167450     0.832550
      14.2000     0.537000     0.183700     0.816300
      14.2000     0.538000     0.196830     0.803170
      14.2000     0.539000     0.210550     0.789450
      14.2000     0.540000     0.229230     0.770770
      14.2000     0.541000     0.257000     0.743000
      14.2000     0.542000     0.355130     0.644870
      14.2000     0.543000     0.429170     0.570830
      14.2000     0.544000     0.512720     0.487280
      14.2000     0.545000     0.589210     0.410790
      14.2000     0.546000     0.642450     0.357550
      14.2000     0.547000     0.670560     0.329440
      14.2000     0.548000     0.684120     0.315880
      14.2000     0.549000     0.695800     0.304200
      14.2000     0.550000     0.713810     0.286190
      14.2000     0.551000     0.741500     0.258500
      14.2000     0.552000     0.779690     0.220310
      14.2000     0.553000     0.828230     0.171770
      14.2000     0.554000     0.883970     0.116030
      14.2000     0.555000     0.936860    0.0631400
      14.2000     0.556000     0.973300    0.0267000
      14.2000     0.557000     0.988360    0.0116400
      14.2000     0.558000     0.989260    0.0107400
      14.2000     0.559000     0.985760    0.0142400
      14.2000     0.560000     0.983080    0.0169200
      14.2000     0.561000     0.982280    0.0177200
      14.2000     0.562000     0.982670    0.0173300
      14.2000     0.563000     0.983360    0.0166400
      14.2000     0.564000     0.984130    0.0158700
      14.2000     0.565000     0.985550    0.0144500
      14.2000     0.566000     0.988170    0.0118300
      14.2000     0.567000     0.991490   0.00850999
      14.2000     0.568000     0.994010   0.00599003
      14.2000     0.569000     0.994100   0.00590003
      14.2000     0.570000     0.991190   0.00880998
      14.2000     0.571000     0.986170    0.0138300
      14.2000     0.572000     0.981100    0.0189000
      14.2000     0.573000     0.978220    0.0217800
      14.2000     0.574000     0.978920    0.0210800
      14.2000     0.575000     0.983120    0.0168800
      14.2000     0.576000     0.989280    0.0107200
      14.2000     0.577000     0.995050   0.00494999
      14.2000     0.578000     0.998270   0.00173002
      14.2000     0.579000     0.997850   0.00215000
      14.2000     0.580000     0.994210   0.00579000
      14.2000     0.581000     0.988910    0.0110900
      14.2000     0.582000     0.983880    0.0161200
      14.2000     0.583000     0.980660    0.0193400
      14.2000     0.584000     0.980010    0.0199900
      14.2000     0.585000     0.981830    0.0181700
      14.2000     0.586000     0.985350    0.0146500
      14.2000     0.587000     0.989450    0.0105500
      14.2000     0.588000     0.993020   0.00698000
      14.2000     0.589000     0.995200   0.00480002
      14.2000     0.590000     0.995570   0.00443000
      14.2000     0.591000     0.994180   0.00581998
      14.2000     0.592000     0.991550   0.00844997
      14.2000     0.593000     0.988520    0.0114800
      14.2000     0.594000     0.986060    0.0139400
      14.2000     0.595000     0.984960    0.0150400
      14.2000     0.596000     0.985630    0.0143700
      14.2000     0.597000     0.987900    0.0121000
      14.2000     0.598000     0.991060   0.00893998
      14.2000     0.599000     0.994030   0.00597000
      14.2000     0.600000     0.995750   0.00424999
      14.2000     0.601000     0.995630   0.00436997
      14.2000     0.602000     0.993800   0.00620002
      14.2000     0.603000     0.991070   0.00893003
      14.2000     0.604000     0.988570    0.0114300
      14.2000     0.605000     0.987360    0.0126400
      14.2000     0.606000     0.987910    0.0120900
      14.2000     0.607000     0.989950    0.0100500
      14.2000     0.608000     0.992530   0.00747001
      14.2000     0.609000     0.994480   0.00551999
      14.2000     0.610000     0.994850   0.00515002
      14.2000     0.611000     0.993380   0.00661999
      14.2000     0.612000     0.990540   0.00945997
      14.2000     0.613000     0.987380    0.0126200
      14.2000     0.614000     0.985070    0.0149300
      14.2000     0.615000     0.984440    0.0155600
      14.2000     0.616000     0.985580    0.0144200
      14.2000     0.617000     0.987810    0.0121900
      14.2000     0.618000     0.989990    0.0100100
      14.2000     0.619000     0.990960   0.00904000
      14.2000     0.620000     0.990080   0.00992000
      14.2000     0.621000     0.987510    0.0124900
      14.2000     0.622000     0.984060    0.0159400
      14.2000     0.623000     0.980940    0.0190600
      14.2000     0.624000     0.979190    0.0208100
      14.2000     0.625000     0.979320    0.0206800
      14.2000     0.626000     0.981030    0.0189700
      14.2000     0.627000     0.983360    0.0166400
      14.2000     0.628000     0.985100    0.0149000
      14.2000     0.629000     0.985270    0.0147300
      14.2000     0.630000     0.983560    0.0164400
      14.2000     0.631000     0.980430    0.0195700
      14.2000     0.632000     0.976940    0.0230600
      14.2000     0.633000     0.974300    0.0257000
      14.2000     0.634000     0.973460    0.0265400
      14.2000     0.635000     0.974710    0.0252900
      14.2000     0.636000     0.977580    0.0224200
      14.2000     0.637000     0.981020    0.0189800
      14.2000     0.638000     0.983810    0.0161900
      14.2000     0.639000     0.985010    0.0149900
      14.2000     0.640000     0.984340    0.0156600
      14.2000     0.641000     0.982250    0.0177500
      14.2000     0.642000     0.979730    0.0202700
      14.2000     0.643000     0.977890    0.0221100
      14.2000     0.644000     0.977620    0.0223800
      14.2000     0.645000     0.979180    0.0208200
      14.2000     0.646000     0.982270    0.0177300
      14.2000     0.647000     0.985970    0.0140300
      14.2000     0.648000     0.989230    0.0107700
      14.2000     0.649000     0.991160   0.00884002
      14.2000     0.650000     0.991410   0.00858998
      14.2000     0.651000     0.990150   0.00985003
      14.2000     0.652000     0.988020    0.0119800
      14.2000     0.653000     0.985850    0.0141500
      14.2000     0.654000     0.984370    0.0156300
      14.2000     0.655000     0.983940    0.0160600
      14.2000     0.656000     0.984570    0.0154300
      14.2000     0.657000     0.985910    0.0140900
      14.2000     0.658000     0.987450    0.0125500
      14.2000     0.659000     0.988690    0.0113100
      14.2000     0.660000     0.989240    0.0107600
      14.2000     0.661000     0.988960    0.0110400
      14.2000     0.662000     0.986400    0.0136000
      14.2000     0.663000     0.984800    0.0152000
      14.2000     0.664000     0.983500    0.0165000
      14.2000     0.665000     0.982700    0.0173000
      14.2000     0.666000     0.982180    0.0178200
      14.2000     0.667000     0.980980    0.0190200
      14.2000     0.668000     0.977320    0.0226800
      14.2000     0.669000     0.968870    0.0311300
      14.2000     0.670000     0.953900    0.0461000
      14.2000     0.671000     0.932470    0.0675300
      14.2000     0.672000     0.906560    0.0934400
      14.2000     0.673000     0.878670     0.121330
      14.2000     0.674000     0.850490     0.149510
      14.2000     0.675000     0.822610     0.177390
      14.2000     0.676000     0.795330     0.204670
      14.2000     0.677000     0.769060     0.230940
      14.2000     0.678000     0.743400     0.256600
      14.2000     0.679000     0.715670     0.284330
      14.2000     0.680000     0.681820     0.318180
      14.2000     0.681000     0.640650     0.359350
      14.2000     0.682000     0.596070     0.403930
      14.2000     0.683000     0.552970     0.447030
      14.2000     0.684000     0.512950     0.487050
      14.2000     0.685000     0.475120     0.524880
      14.2000     0.686000     0.438310     0.561690
      14.2000     0.687000     0.401600     0.598400
      14.2000     0.688000     0.363480     0.636520
      14.2000     0.689000     0.321510     0.678490
      14.2000     0.690000     0.273510     0.726490
      14.2000     0.691000     0.219860     0.780140
      14.2000     0.692000     0.164980     0.835020
      14.2000     0.693000     0.115820     0.884180
      14.2000     0.694000    0.0775200     0.922480
      14.2000     0.695000    0.0510600     0.948940
      14.2000     0.696000    0.0336500     0.966350