title: Simple synchronization technique of a mode-locked laser for Laser-Compton scattering γ-ray source.
abstract: We propose a simple and effective synchronization technique between a reference electrical oscillator and a mode-locked laser for a narrowband picosecond Laser-Compton scattering γ-ray source by using a commercial-based 1-chip frequency synthesizer, which is widely used in radio communication. The mode-locked laser has been successfully synchronized in time with a jitter of 180 fs RMS for 10 Hz-100 kHz bandwidth. A good stability of 640 μHz at 80 MHz repetition rate for 10 h operation has also been confirmed. We discuss in detail the design and performance of this technique (in terms of timing jitter, stability, and validity).
authors.affiliation: Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa 619-0215, Japan.
authors.forename: Michiaki
authors.initials: M
authors.lastname: Mori
authors.affiliation: Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa 619-0215, Japan.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Kosuge
authors.affiliation: Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa 619-0215, Japan.
authors.forename: Hiromitsu
authors.initials: H
authors.lastname: Kiriyama
authors.affiliation: Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa 619-0215, Japan.
authors.forename: Ryoichi
authors.initials: R
authors.lastname: Hajima
authors.affiliation: Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa 619-0215, Japan.
authors.forename: Kiminori
authors.initials: K
authors.lastname: Kondo