div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-fourth-order-fresnel-lens-for-patos-134-2htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Fourth Order Fresnel Lens for Patos 134 2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer2022012104616a1c0f11a7b741a34ee86chtml5thumbnails1jpg width=140 height=200 divdiv