div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-refraction-of-ultrasonic-waves-emerging-from-a-2d-phononic-crystal-prism-thehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: refraction of ultrasonic waves emerging from a 2D phononic crystal prism The directions of the group velocity vg and of the wave vector kcr inside the crystal and of the wave loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220419085e654cb7a0c19f2d547fda19html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-refraction-of-ultrasonic-waves-emerging-from-a-2d-phononic-crystal-prism-thehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: refraction of ultrasonic waves emerging from a 2D phononic crystal prism The directions of the group velocity vg and of the wave vector kcr inside the crystal and of the wave loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220419085e654cb7a0c19f2d547fda19html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-refraction-of-ultrasonic-waves-emerging-from-a-2d-phononic-crystal-prism-thehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: refraction of ultrasonic waves emerging from a 2D phononic crystal prism The directions of the group velocity vg and of the wave vector kcr inside the crystal and of the wave loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220419085e654cb7a0c19f2d547fda19html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-refraction-of-ultrasonic-waves-emerging-from-a-2d-phononic-crystal-prism-thehtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: refraction of ultrasonic waves emerging from a 2D phononic crystal prism The directions of the group velocity vg and of the wave vector kcr inside the crystal and of the wave loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentssitereader033viewer20220419085e654cb7a0c19f2d547fda19html5thumbnails4jpg width=140 height=200 divdiv