کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9786185 | 1512667 | 2005 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Cw hyper-Raman laser and four-wave mixing in atomic sodium
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Cw hyper-Raman laser and four-wave mixing in atomic sodium Cw hyper-Raman laser and four-wave mixing in atomic sodium](/preview/png/9786185.png)
چکیده انگلیسی
Continuous wave hyper-Raman (HR) generation in a ring cavity on the 6s â 4p transition at 1640 nm in sodium is realized for the first time by two-photon excitation of atomic sodium on the 3s â 6s transition with a continuous wave (cw) dye laser at 590 nm and a single frequency argon ion laser at 514 nm. It is shown, that the direction and efficiency of HR lasing depends on the propagation direction of the pump waves and their frequencies. More than 30% HR gain is measured at 250 mW of pump laser powers for counter-propagating pump waves and a medium length of 90 mm. For much shorter interaction lengths and corresponding focussing of the pump waves a dramatic increase of the gain is predicted. For co-propagating pump waves, in addition, generation of 330 nm radiation on the 4p â 3s transition by a four-wave mixing (FWM) process is observed. Dependencies of HR and parametric four-wave generation have been investigated and will be discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 245, Issues 1â6, 17 January 2005, Pages 415-424
Journal: Optics Communications - Volume 245, Issues 1â6, 17 January 2005, Pages 415-424
نویسندگان
M. Klug, S.I. Kablukov, B. Wellegehausen,