[21a-A306-1~9] 3.6 Laser processing (formerly 3.7)

[21a-A306-6] Time-Resolved Complex Optical Field Imaging of Ultrashort Pulsed Laser Processing at a Delay from sub-Picosecond to Nanoseconds

〇(D)Shotaro Kawano¹, Keiichiro Toda¹, Haruyuki Sakurai¹, Kuniaki Konishi¹, Takuro Ideguchi¹ (1.The Univ. of Tokyo)

Keywords:laser processing, time-resolved digital holography, time-resolved complex optical-field imaging

We had previously reported on the development of a pump-probe time-resolved digital holographic imaging system for observing laser ablation dynamics in the sub-picosecond to the tens-of-picosecond range. Here, we report on the extension of the temporal delay range to the nanosecond range.