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Passively Q-Switched KTA Cascaded Raman Laser with 234 and 671 cm−1 Shifts

التفاصيل البيبلوغرافية
العنوان: Passively Q-Switched KTA Cascaded Raman Laser with 234 and 671 cm−1 Shifts
المؤلفون: Zhi Xie, Senhao Lou, Yanmin Duan, Zhihong Li, Limin Chen, Hongyan Wang, Yaoju Zhang, Haiyong Zhu
المصدر: Applied Sciences, Vol 11, Iss 15, p 6895 (2021)
بيانات النشر: MDPI AG, 2021.
سنة النشر: 2021
المجموعة: LCC:Technology
LCC:Engineering (General). Civil engineering (General)
LCC:Biology (General)
LCC:Physics
LCC:Chemistry
مصطلحات موضوعية: raman laser, KTA crystal, passively Q-switch, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999
الوصف: A compact KTA cascaded Raman system driven by a passively Q-switched Nd:YAG/Cr4+:YAG laser at 1064 nm was demonstrated for the first time. The output spectra with different cavity lengths were measured. Two strong lines with similar intensity were achieved with a 9 cm length cavity. One is the first-Stokes at 1146.8 nm with a Raman shift of 671 cm−1, and the other is the Stokes at 1178.2 nm with mixed Raman shifts of 234 cm−1 and 671 cm−1. At the shorter cavity length of 5 cm, the output Stokes lines with high intensity were still at 1146.8 nm and 1178.2 nm, but the intensity of 1178.2 nm was higher than that of 1146.8 nm. The maximum average output power of 540 mW was obtained at the incident pump power of 10.5 W with the pulse repetition frequency of 14.5 kHz and the pulse width around 1.1 ns. This compact passively Q-switched KTA cascaded Raman laser can yield multi-Stokes waves, which enrich laser output spectra and hold potential applications for remote sensing and terahertz generation.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2076-3417
Relation: https://www.mdpi.com/2076-3417/11/15/6895; https://doaj.org/toc/2076-3417
DOI: 10.3390/app11156895
URL الوصول: https://doaj.org/article/b1aa586699424178bd5d58a834c6846d
رقم الأكسشن: edsdoj.b1aa586699424178bd5d58a834c6846d
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20763417
DOI:10.3390/app11156895