title: Phase-locked laser diode interferometer: high-speed feedback control system.
abstract: We have previously proposed a phase-locked laser diode interferometer. In that previous interferometer, however, there was substantial room for improvement in the reduction of measurement time. This reduction is achieved by using a different process for generation of the feedback signal in which the output of a chargecoupled device image sensor is used effectively. We analyze the feedback control system of the interferometer as a discrete-time system and discuss the characteristics of the interferometer. It is shown that the measurement time is much shorter than that of the interferometer proposed previously.
authors: T
authors: T
authors: Suzuki
authors: O
authors: O
authors: Sasaki
authors: K
authors: K
authors: Higuchi
authors: T
authors: T
authors: Maruyama