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Digital Light-in-Flight Recording by Holography by Use of a Femtosecond Pulsed Laser

By: Nishio, K.; Awatsuji, Y.; Yuasa, J.; Tahara, T.; Ura, S.; Tosa, K.; Kakue, T.; Kubota, T.;

2012 / IEEE

Description

This item was taken from the IEEE Periodical ' Digital Light-in-Flight Recording by Holography by Use of a Femtosecond Pulsed Laser ' We succeeded in digital light-in-flight recording by holography by use of a femtosecond pulsed laser. We recorded and reconstructed a moving picture of femtosecond light pulse propagation on a diffuser plate on which a test chart pattern was printed. A mode-locked Ti:sapphire laser was used as a femtosecond pulsed laser. The center wavelength and the duration of the light pulse were 800 nm and 96 fs, respectively. We conducted a numerical simulation in order to validate the proposed technique. We confirmed that the technique was capable of recording the moving picture of femtosecond light pulse propagation. In addition, we experimentally demonstrated the technique and successfully observed femtosecond light pulse propagation for 576 fs. The experimental results agreed well with the simulation results.