کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5007252 | 1461605 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of cavity length on low-energy single longitudinal mode pre-lase Q-switched laser
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of cavity length on low-energy single longitudinal mode pre-lase Q-switched laser Effect of cavity length on low-energy single longitudinal mode pre-lase Q-switched laser](/preview/png/5007252.png)
چکیده انگلیسی
In this paper, the effect of cavity length on a low-energy single longitudinal mode (SLM) pre-lase Q-switched laser is analyzed and demonstrated. Taking a Pr:YLF laser as an example, the basic output characteristics under pre-lase technology are shown. The SLM is degraded when the cavity length is as large as 25Â mm. Further, for cavity lengths of 15 or 20Â mm, SLM is achieved with different output characteristics. Compared with a long cavity (20Â mm), the short-cavity case (15Â mm) is indeed helpful for obtaining an SLM laser; however, the single-pulse energy, pulse width, and energy extraction efficiency are decreased by 4.7, 48, and 6.7%, respectively. The results of this analysis show that the cavity length influences the output characteristics and determines the realization of SLM in a pre-lase Q-switched laser. This is because the short cavity induces a relatively strong gain identification for the seed signal. Then, the time cost of the mode competition decreases and SLM can be achieved easily. However, a long cavity is conducive to mode competition, which generates superior output characteristics.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics & Laser Technology - Volume 94, 1 September 2017, Pages 165-170
Journal: Optics & Laser Technology - Volume 94, 1 September 2017, Pages 165-170
نویسندگان
Li Qing-Song, Dong Yuan, Liu Yu, Zhang Xi-He, Yu Yong-Ji, Jin Guang-Yong,