کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1830780 | 1526485 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Study of mirror degradation in short-wavelength FELs and recent FEL application experiments on the storage ring NIJI-IV
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
ابزار دقیق
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Cavity-mirror degradation is one of the serious problems especially in short-wavelength storage ring free-electron lasers (FELs). To reduce the degradation problem, we tried to treat the Al2O3/SiO2 mirror, degraded through irradiation by undulator radiation, with both oxygen plasma and thermal annealing. As a result, the optical loss of the degraded mirrors optimized around 200 nm was successfully restored. With such efforts, FEL application experiments are being performed. The recent progress on surface observation using a photoelectron emission microscopy (PEEM) at NIJI-IV is also reported.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 593, Issues 1–2, 1 August 2008, Pages 17–20
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 593, Issues 1–2, 1 August 2008, Pages 17–20
نویسندگان
H. Ogawa, K. Yamada, N. Sei, R. Kuroda, K. Yagi-Watanabe, M. Yasumoto, T. Ohdaira, R. Suzuki,