#
#
# laser field power hwhm
# 
#       $1 : direction [x|y]
#       $2 : outputfile


egrep 'distance|hwhm' $2 |\
awk  -F"=" '
/distance/              { z = $2 ; ok=1 } 
/field power \('$1'\)/ { if(ok==1){ printf "%.5e %.5e\n", z, $2 }; ok=0 }'