کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1816039 1525261 2007 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Peculiar transmission property of acoustic waves in a one-dimensional layered phononic crystal
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Peculiar transmission property of acoustic waves in a one-dimensional layered phononic crystal
چکیده انگلیسی

In this article, we report both theoretical calculation and experimental observation of acoustic waves abnormally through a one-dimensional layered transmitted phononic crystal at frequencies within the band gap into a material of large acoustic impedance mismatch, with an efficiency as high as unity. The transmission peaks can be interpreted as a result of the interference of acoustic waves reflected from all periodically aligned interfaces. The condition for the appearance of peaks is analyzed in detail and the optimized layer number is given for different configurations.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 390, Issues 1–2, 1 March 2007, Pages 159–166
نویسندگان
, , , , ,