Development of high-repetitive low-coherence interferometer for laser welding process

Masaharu Hoshikawa; Katsuhiro Ishii; Takuma Fujita; Masakazu Kanamori; Keiko Watanabe; Takahiro Deguchi; Ryo Nomura; Youzou Ashida; Hiroshi Hasegawa

Presentation information

Oral presentation

3 Optics and Photonics » 3.8 Optical measurement, instrumentation, and sensor

[21a-E205-1~12] 3.8 Optical measurement, instrumentation, and sensor

Sat. Sep 21, 2019 9:00 AM - 12:15 PM E205 (E205)

Minoru Tanabe(AIST), Takeo Minamikawa(Tokushima Univ.)

9:15 AM - 9:30 AM

[21a-E205-2] Development of high-repetitive low-coherence interferometer for laser welding process

Masaharu Hoshikawa¹, 〇Katsuhiro Ishii¹, Takuma Fujita², Masakazu Kanamori², Keiko Watanabe², Takahiro Deguchi², Ryo Nomura², Youzou Ashida², Hiroshi Hasegawa² (1.GPI, 2.NADEX PRODUCTS)

Keywords:low coherence interferometer, time stretch dispersive Fourier transform, laser welding

We report the development of 28.3MHz repetitive low-coherence interferometry and measurement results with laser welding machine.