Title :
Automatic ultrafast pulse compressor in chirped pulse amplification by FROG traces using fuzzy control technique
Author :
Furusawa, Kentaro ; Yabe, Hiroyuki ; Obara, Minoru
Author_Institution :
Dept. of Electron. & Electr. Eng., Keio Univ., Yokohama, Japan
Abstract :
We have designed a fuzzy control system which receives the FROG trace as an input. It determines the measured pulse shape, compares it to the desired following pulse shape, and finally determines the relevant geometry of the compressor. If the membership function of fuzzy control is realized by a neural network, it can be combined with the FROG network and geometry of the compressor so that there can be a direct determination from the measured FROG trace. Measured pulse shape and precision of the fuzzy control system will be compared to other optimization methods. A method to determine the membership function will also be discussed
Keywords :
chirp modulation; fuzzy control; optical modulation; optical neural nets; optical pulse compression; optical pulse shaping; optimisation; FROG trace; FROG traces; automatic ultrafast optical pulse compressor; automatic ultrafast pulse compressor; chirped pulse amplification; fuzzy control system; fuzzy control technique; measured pulse shape; membership function; neural network; optimization method; relevant geometry; Chirp; Fuzzy control; Geometry; Neural networks; Pulse amplifiers; Pulse compression methods; Pulse measurements; Pulse shaping methods; Shape control; Shape measurement;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-4947-4
DOI :
10.1109/LEOS.1998.737771
