@FFT FILE (IM)
- If @FFT_SW (IM) is true open file to use the information inside.
*Is store as '''fft_file''' in the fortran code.
example
@FFT_FILE "intensityFFT_010.inp", "intensityFFT_010.inp"
Which mean if @FFT_SW (IM) is true, simulator will open file named "intensityFFT_010.inp" to used information inside.