Adaptation in natural and artificial systems
Adaptation in natural and artificial systems
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This paper describes evolvable optical systems and their applications developed at the National Institute of Advanced Industrial Science and Technology (AIST) in Japan. Three evolvable optical systems are described: (1) an evolvable fiber alignment system, (2) an evolvable interferometer system, and (3) an evolvable femtosecond laser system. As the micron-meter resolution alignment of optical components usually takes a long time, to overcome this time problem, we propose 3 systems that can automatically align the positioning of optical components by genetic algorithms in very short times compared to conventional systems. In the evolvable fiber alignment system, the positioning of a fiber can be aligned automatically according to 5 degrees of freedom (DOF) in three minutes. In the evolvable interferometer system, the optimal positioning of the plane mirrors is determined automatically. And, in the evolvable femto-second laser system, the positioning of laser components can be aligned automatically within thirty minutes; something which in conventional system would take technicians more than five days to achieve. Moreover, the automatic alignment system makes possible the compact implementation of optical systems.