Hologram generation of light-in-flight recording by holography applying the 2D-FDTD method to simulate the behavior of ultrashort pulsed light

In this study, we proposed a hologram calculation method for light-in-flight recording by holography (LIF holography). First, we simulated the behavior of ultrashort pulsed light on the diffuser plate using the two-dimensional finite-difference time-domain method. Second, we calculated the light propagation from the diffuser plate to the recording material and generated a hologram based on the calculation model of LIF holography. We reconstructed moving pictures of pulsed-light propagation from the calculated hologram. Because the behavior of the pulsed light in the moving pictures agreed well with that obtained from the reported optical experiment, the proposed method was successfully validated.