Proračun kratkih optičkih impulsa pomoću pasivnog diodnog lasera Q-uključivanja s dva dijela
Kako bi se dobili optički impulsi visoke frekvencije, širina impulsa mora biti vrlo kratka. U praktičnim sustavima pasivno Q-uključivanje se smatra jednom od glavnih metoda za generiranje kratkih optičkih impulsa. U metodi pasivnog Q-uključivanja optički se impulsi generiraju parametrima lasera i st...
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| Published in: | Tehnički vjesnik Vol. 23; no. 3; p. 849 |
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| Main Authors: | , , , |
| Format: | Paper |
| Language: | Croatian English |
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Strojarski fakultet u Slavonskom Brodu; Fakultet elektrotehnike, računarstva i informacijskih tehnologija Osijek; Građevinski i arhitektonski fakultet Osijek
19-06-2016
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| Abstract | Kako bi se dobili optički impulsi visoke frekvencije, širina impulsa mora biti vrlo kratka. U praktičnim sustavima pasivno Q-uključivanje se smatra jednom od glavnih metoda za generiranje kratkih optičkih impulsa. U metodi pasivnog Q-uključivanja optički se impulsi generiraju parametrima lasera i stoga eksterni električni ili optički modulatori nisu potrebni za generiranje optičkih impulsa. To se smatra prednošću metode pasivnog Q-uključivanja u usporedbi s drugim metodama. U ovom se radu predlaže pasivni diodni laser Q-uključivanja s dva dijela. U predloženoj se metodi brzina promjene prijenosnika postiže u dva područja rješavanjem jednadžbi. Isto tako, primjenom ovog mehanizma opisuje se generiranje impulsa. Nadalje, postiže se širina impulsa i pokazuje da širina impulsa ovisi o fizikalnim parametrima lasera. |
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| AbstractList | Kako bi se dobili optički impulsi visoke frekvencije, širina impulsa mora biti vrlo kratka. U praktičnim sustavima pasivno Q-uključivanje se smatra jednom od glavnih metoda za generiranje kratkih optičkih impulsa. U metodi pasivnog Q-uključivanja optički se impulsi generiraju parametrima lasera i stoga eksterni električni ili optički modulatori nisu potrebni za generiranje optičkih impulsa. To se smatra prednošću metode pasivnog Q-uključivanja u usporedbi s drugim metodama. U ovom se radu predlaže pasivni diodni laser Q-uključivanja s dva dijela. U predloženoj se metodi brzina promjene prijenosnika postiže u dva područja rješavanjem jednadžbi. Isto tako, primjenom ovog mehanizma opisuje se generiranje impulsa. Nadalje, postiže se širina impulsa i pokazuje da širina impulsa ovisi o fizikalnim parametrima lasera. |
| Abstract_FL | In order to attain the optical pulses with high frequency, the pulse-width must be very short. In practical systems, passive Q-switching is mainly regarded as one of the main methods to generate the short optical pulses. In passive Q-switching method, the optical pulses are generated by using laser parameters and therefore, the external electrical or optical modulators are not required to generate the optical pulses. This issue is regarded as the advantage of the passive Q-switching method compared to the other methods. In this paper, a model for two-section passive Q-switching diode laser is proposed. In the suggested method, the changing rates of the carriers are obtained in two regions by solving the equations. As well, by applying this mechanism, the pulse generation is described. Furthermore, the pulse width is achieved and it is demonstrated that the pulse width depends on the physical parameters of the laser. |
| Author | Karkhanehchi, Mohammad Mehdi Parandin, Fariborz Hemmati, Reza Mahtabi, Naser |
| Author_xml | – sequence: 1 givenname: Fariborz surname: Parandin fullname: Parandin, Fariborz organization: Department of Electrical Engineering, Eslam Abad Gharb Branch, Islamic Azad University, Eslam Abad Gharb, Kermanshah, Iran; Department of Electronic Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran – sequence: 2 givenname: Mohammad Mehdi surname: Karkhanehchi fullname: Karkhanehchi, Mohammad Mehdi organization: Department of Electronic Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran, P. O. Box: 67149-67346 – sequence: 3 givenname: Reza surname: Hemmati fullname: Hemmati, Reza organization: Department of Electrical Engineering, Kermanshah University of Technology, Kermanshah, Iran, P. O. Box: 63766-67178 – sequence: 4 givenname: Naser surname: Mahtabi fullname: Mahtabi, Naser organization: Department of Electrical Engineering, Eslam Abad Gharb Branch, Islamic Azad University, Eslam Abad Gharb, Kermanshah, Iran |
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| DocumentTitle_FL | Calculation of short optical pulses by using two sections passive Q-switching diode laser |
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| Snippet | Kako bi se dobili optički impulsi visoke frekvencije, širina impulsa mora biti vrlo kratka. U praktičnim sustavima pasivno Q-uključivanje se smatra jednom od... |
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| SubjectTerms | brzina promjene prijenosnika carriers changing rate diode laser diodni laser kratki optički impulsi matematičko modeliranje mathematical modelling pasivno Q-uključivanje s dva dijela short optical pulses two-section passive Q-switching |
| Title | Proračun kratkih optičkih impulsa pomoću pasivnog diodnog lasera Q-uključivanja s dva dijela |
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