Picosecond duration laser pulse generation by simultaneous active-passive mode-locking in Ar ion and dye lasers.

Autor: Brito Cruz, C., Fragnito, H., Francalacci, R., Scarparo, M., Srivastava, Ramakant
Zdroj: Optical & Quantum Electronics; Nov1983, Vol. 15 Issue 6, p487-496, 10p
Abstrakt: We use a rate equation model to analyse a technique for the generation of picosecond duration laser pulses in argon pumped dye lasers. The system is based on passive mode-locking of the Ar laser by saturable absorption of the dye which is inserted in the Ar laser cavity. Simultaneously, the dye is forced to oscillate in a regime of synchronously pumped mode-locking. The system is relatively simple, does not require the use of an acousto-optical light modulator and can be easily implemented in commercially available lasers. Pulses shorter than 100 ps and having an average power of 20 mW were obtained at a repetition rate of 110 MHz. Good agreement between the model and experimental results was also obtained. [ABSTRACT FROM AUTHOR]
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