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:: Volume 9, Issue 1 (Spring 2018) ::
3 2018, 9(1): 77-85 Back to browse issues page
Simulation of Frequency Modulation Mode-locking in a Nd:YLF Laser and Investigation of Detuning Influence on the Laser Parameters
Abdollah Malakzadeh Fard Khangheshlaghi Dr., Mohammad Javad Kamjoo Eng. , Mehdi Ghaed Rahmati Eng.
Abstract:   (159 Views)

Todays, ultrashort pulse lasers are employed in many branches of science and technology. Surface coating destruction, three dimensional micro or nano-structuring, terahertz wave generation and various spectroscopic techniques such as: ultrashort pulse laser induced breakdown spectroscopy, filament induced breakdown spectroscopy, and also different and several applications in nuclear physics are a portion of ultrashort pulse lasers utilizations. In this work, frequency modulation is firstly overviewed and then active mode-locking using the modulation is investigated in details. The modulation is in fact employed for ultrashort pulse generation by cavity loss modulation or phase changes modulation in a round trip. This can be done using an acousto-optical modulator or an electro-optical modulator. Later the mode-locking in a Nd:YLF laser cavity implementing self-consistent method is simulated. Ultrashort pulses shorter than 40ps with 120nJ energy and a rate of 250MHz are output of the designed oscillator.  
 

Keywords: Frequency Modulation, Mode-locking, Self-consistent
Full-Text [PDF 913 kb]   (32 Downloads)    
Type of Study: Research | Subject: physics
Received: 2015/07/23 | Accepted: 2017/04/23 | Published: 2018/01/20
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Malakzadeh Fard Khangheshlaghi A, Kamjoo M J, Ghaed Rahmati M. Simulation of Frequency Modulation Mode-locking in a Nd:YLF Laser and Investigation of Detuning Influence on the Laser Parameters . 3. 2018; 9 (1) :77-85
URL: http://adst.ir/article-1-778-en.html


Volume 9, Issue 1 (Spring 2018) Back to browse issues page
علوم و فناوری های پدافند نوین ADST Journal
درجه علمی - پژوهشی توسط وزارت علوم، تحقیقات و فناوری اعطا گردید.