Increasing the Fundamental Mode Volume in Nd: YAG Laser and Stabilizing Against Mechanical and Thermal Disturbance in High Power Pumping Regime

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abdolhosseini moghadam Mohammadreza; RAZZAGHI D.; Mahdizade Esfahani m.; Razzaghi h.

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Journal: Advanced Defense Science and Technology Year:2019 | Volume:10 | Issue:2 Page(s): 177-186

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Title

Increasing the Fundamental Mode Volume in Nd: YAG Laser and Stabilizing Against Mechanical and Thermal Disturbance in High Power Pumping Regime

Author(s)

abdolhosseini moghadam Mohammadreza | RAZZAGHI D. | Mahdizade Esfahani m. | Razzaghi h. | Issue Writer Certificate

Keywords

Nd:YAG LaserQ2

Stable ResonatorQ1

Thermal LensQ1

Alignment SensitivityQ1

Abstract

The subject of this research is to investigating the advantages of a special Stable Resonator relative to the flat-symetric Stable Resonator scheme in high power pumped Nd: YAG lasers. At first a discussion about some convetional resonators used in high power Nd: YAG lasers is presented considering the advantages and shortcomes of each resonator scheme. Then by using distributed refractive power model(DRP), for a typical high power side pumped Nd: YAG laser, and investigating the stability regions, a non symmetric resonator scheme is proposed which gives single transverse mode and demonstrates higher fundamental mode volume (12 times greater) compared with flat-symetric scheme. Also misalignment sensivity of the presented resonator has been studied and compared with flat-symetric resonator, using numerical calculation and simulation with GLAD software. The results of this research revealed that in high level of pumped power, it is also possible to achieve high fundamental mode volume and make the resonator stable due to thermal and mechanical disturbance.

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APA: Copy

abdolhosseini moghadam, Mohammadreza, RAZZAGHI, D., Mahdizade Esfahani, m., & Razzaghi, h.. (2019). Increasing the Fundamental Mode Volume in Nd: YAG Laser and Stabilizing Against Mechanical and Thermal Disturbance in High Power Pumping Regime. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, 10(2 ), 177-186. SID. https://sid.ir/paper/167278/en

Vancouver: Copy

abdolhosseini moghadam Mohammadreza, RAZZAGHI D., Mahdizade Esfahani m., Razzaghi h.. Increasing the Fundamental Mode Volume in Nd: YAG Laser and Stabilizing Against Mechanical and Thermal Disturbance in High Power Pumping Regime. (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY[Internet]. 2019;10(2 ):177-186. Available from: https://sid.ir/paper/167278/en

IEEE: Copy

Mohammadreza abdolhosseini moghadam, D. RAZZAGHI, m. Mahdizade Esfahani, and h. Razzaghi, “Increasing the Fundamental Mode Volume in Nd: YAG Laser and Stabilizing Against Mechanical and Thermal Disturbance in High Power Pumping Regime,” (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY, vol. 10, no. 2 , pp. 177–186, 2019, [Online]. Available: https://sid.ir/paper/167278/en

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