Sara A.Shadood, Abdul-Kareem Mahdi Salih, Rasool Asal
{"title":"Effect of Saturable Absorber Length on Characteristics of Dual Laser Pulses of Passive Q-Switched","authors":"Sara A.Shadood, Abdul-Kareem Mahdi Salih, Rasool Asal","doi":"10.32792/utq/utjsci/v11i1.1151","DOIUrl":null,"url":null,"abstract":"The effect of saturable absorber material length on the characteristics of the dual passive Q-switching pulses generated from two wavelengths ( and ) instead of single wavelength was simulated. Numerical solution of our previous rate equations model using Rung-Kutta-Fahelberg method has been utilized in simulation. Nd+3 :YAG using as an active medium, and Cr+4:YAG as a saturable absorber material. The results showed that the Nd+3:YAG dual passive Q-switching generated or released at an advanced(earlier) time and characterized by short duration times, high energy and high power with the increasing in the value of . The passive Q-switching for , are released respectively at time 58ns, 60 ns approximately at , while released at time 34 ns, 36 ns respectively approximately at . The duration time of , pulses approximate to 16.8ns, 14.6 ns respectively at , while approximate to 10.8 ns ,9.2 ns respectively at .","PeriodicalId":23432,"journal":{"name":"University of Thi-Qar Journal of Science","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"University of Thi-Qar Journal of Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32792/utq/utjsci/v11i1.1151","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The effect of saturable absorber material length on the characteristics of the dual passive Q-switching pulses generated from two wavelengths ( and ) instead of single wavelength was simulated. Numerical solution of our previous rate equations model using Rung-Kutta-Fahelberg method has been utilized in simulation. Nd+3 :YAG using as an active medium, and Cr+4:YAG as a saturable absorber material. The results showed that the Nd+3:YAG dual passive Q-switching generated or released at an advanced(earlier) time and characterized by short duration times, high energy and high power with the increasing in the value of . The passive Q-switching for , are released respectively at time 58ns, 60 ns approximately at , while released at time 34 ns, 36 ns respectively approximately at . The duration time of , pulses approximate to 16.8ns, 14.6 ns respectively at , while approximate to 10.8 ns ,9.2 ns respectively at .
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