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An investigation on the characteristics of a passive colliding pulse mode-locking(Ce~(3+),Nd~(3+)):YAG laser using an unstable resonator containing an antiresonant ring hasbeen completed.Using a Ф3×40mm active medium and the pentanethine cyanine dissolved in1,2-dichloethane as a saturable absorber,9 picosecond pulse-width and 3.2 mJ output energywere obtained.The optimum initial transmission of the absorbing cell was determined.
An investigation on the characteristics of a passive colliding pulse mode-locking (Ce ~ (3 +), Nd ~ (3 +)): YAG laser using an unstable resonator containing an antiresonant ring hasbeen completed. Using a Ф3 × 40 mm active medium and the pentanethine cyanine dissolved in 1,2-dichloethane as a saturable absorber, 9 picosecond pulse-width and 3.2 mJ output energywere obtained. The optimum initial transmission of the absorbing cell was determined.