reset

set term postscript enhanced eps color size 8.6cm,6cm font "Helvetica,16pt" dashlength 2.0
set output 'flash_spectrum.eps'
#set multiplot layout 2,1 rowsfirst title "" font "Helvetica, 28"

set ylabel 'Photoevent coincidences'
set y2label 'Efficiency (%)'

set xrange [800:2200]
set x2range [800:2200]

set yrange [0:500]
set y2range [-6.75:35]

set ytics nomirror
set y2tics (0,5,10,15,20,25,30,35)

set xlabel 'Wavelength (nm)'
#set logscale y 10
set format y "%g"

#set label '2{/symbol \264}10^{-3}' at 70, 0.003 font "Helvetica, 22"
set label 'Background' at 1200, 60 font "Helvetica, 14"
set key font "Helvetica, 14"
plot 'processed_data.dat' using 2:8 w l lt 1 lw 2 lc rgb 'red' title 'APD2 to APD1',\
     'processed_data.dat' using 2:5 w l lt 1 lw 2 lc rgb 'blue' title 'APD1 to APD2',\
      80.75 w l dt 4 lc rgb 'black' notitle axes x1y1,\
      'id220_efficiency_curve.dat' using 1:2 w l lt 3 dt 3 lw 3 lc rgb 'black' title 'Efficiency' axes x2y2
      
#'correlation_1M/plus.txt' using 1:2 w lp pt 7 ps 1 lc rgb 'red' title 'negative value', \
#'correlation_1M/minus.txt' using 1:(-$2) w lp pt 7 ps 1 lc rgb 'blue' title 'positive value' font "Helvetica, 14"
#'processed_data.dat' using 2:8 w l lt 2 dt 3 lw 3 lc rgb 'blue' title 'APD2 to APD1',\
#'processed_data.dat' using 2:5 w l lt 2 dt 3 lw 3 lc rgb 'blue' title 'APD1 to APD2',\