Development of subpicosecond Yb:YAG laser for material processing

Eisaku Sano; Masayuki Fujita; Toshiyuki Kawashima; Masanobu Yamanaka; Yasukazu Izawa; Sadao Nakai; Chiyoe Yamanaka

doi:10.1117/12.380942

3 April 2000 Development of subpicosecond Yb:YAG laser for material processing

Eisaku Sano, Masayuki Fujita, Toshiyuki Kawashima, Masanobu Yamanaka, Yasukazu Izawa, Sadao Nakai, Chiyoe Yamanaka

Proceedings Volume 3889, Advanced High-Power Lasers; (2000) https://doi.org/10.1117/12.380942
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

The use of sub-ps laser pulses for material processing results in very precise cutting and drilling with high efficiency. But the energy of femtosecond laser pulse is essentially small. To accomplish high throughput for the industrial applications, it is required to operate the laser system at a high repetition rate and thus at a high average power. Therefore, we decided to develop a LD-pumped femtosecond MHz Yb:YAG MOPA laser system. As a first step, the development of a Yb:YAG oscillator, which employs Kerr-lens mode locking, is in progress.

Citation Download Citation

Eisaku Sano, Masayuki Fujita, Toshiyuki Kawashima, Masanobu Yamanaka, Yasukazu Izawa, Sadao Nakai, and Chiyoe Yamanaka "Development of subpicosecond Yb:YAG laser for material processing", Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); https://doi.org/10.1117/12.380942

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