Simulation of Active Medium Emission Cross Section Influence on Passive Q-switching Laser Pulse Characteristics

Majli, Abdullh Saiwan

doi:10.14704/nq.2020.18.5.nq20169

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“…Compared to the fluorescence life of the upper laser state, SA's lifetime in (microsecond), [16] with the Qswitched laser pulses. normally have a very short build-up time so that the spontaneous decay in AM and SA can be neglect also the pumping rate during pulse generation is very long capering Q-switched laser pulses build-up time [17,18]; then Eq. (2), Eq.…”

Section: Theorymentioning

confidence: 99%

Initial Transmission Influence on Saturable Absorber Absorption Activity of Passive Q-Switching Erbium -Doped Fiber Laser System

Ali,

Abdulsada,

Arasavalli

et al. 2023

UTJsci

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The initial transmission effect on the activity of Cr+4: YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung - Kutta –Fehlberg numerical method. The study reported that the absorption activity of ground state of saturable absorber decreases with the decreasing of the initial transmission, while the activity absorption of excited state begins to increase. Moreover, the total absorption activity of saturable absorber also decreases with the decreasing of the initial transmission.

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Section: Theorymentioning

confidence: 99%