| 摘要 |
PROBLEM TO BE SOLVED: To provide a modulation pattern calculation device, a light control device, a modulation pattern calculation method, and a modulation pattern calculation program that can readily calculate an intensity spectrum to make the time waveform of light close to a desired waveform.SOLUTION: A modulation pattern calculation device 20 comprises an iterative Fourier transformation unit 23a, a filter processing unit 23b, and a modulation pattern calculation unit 24. The iterative Fourier transformation unit 23a applies Fourier transform to a waveform function including an intensity spectrum function and a phase spectrum function, applies inverse Fourier transform after replacement of a time intensity waveform function on the basis of a desired waveform after the Fourier transform, and performs replacement to keep the phase spectrum function under restraint after the inverse Fourier transform. The filter processing unit 23b applies filter processing to cut off a portion exceeding cut-off intensity for each wavelength to the intensity spectrum function in the frequency domain.SELECTED DRAWING: Figure 1 |
