{"id":1859,"date":"2020-03-16T23:12:20","date_gmt":"2020-03-17T03:12:20","guid":{"rendered":"http:\/\/www.nuclearphysicslab.com\/npl\/?page_id=1859"},"modified":"2020-03-19T22:58:56","modified_gmt":"2020-03-20T02:58:56","slug":"avco-rotating-mirror","status":"publish","type":"page","link":"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/experiments\/photography\/avco-rotating-mirror\/","title":{"rendered":"AVCO Rotating Mirror"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><em>Author: Tim<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322.jpg\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322.jpg\" alt=\"\" class=\"wp-image-1860\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2322-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><\/a><figcaption>The AVCO Rotating Mirror Camera<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314.jpg\" alt=\"\" class=\"wp-image-2326\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2314-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><figcaption>Model No. MC300 -1.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318.jpg\" alt=\"\" class=\"wp-image-2327\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2318-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><figcaption>The mirror is really a six faceted hexagonal high polished bar mounted between two bearings.  The mirror rotates up to 180,000 rpm.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2.jpg\" alt=\"\" class=\"wp-image-2329\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2443_2-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><figcaption>A simple example of the rotating mirror camera: a laser beam is being pulsed by a chopper wheel, then entering the rotating mirror housing,  and then projected onto the paper pad in the background.  This smears out the time structure of the laser into a spatial dimension.  <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464.jpg\" alt=\"\" class=\"wp-image-2330\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2464-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><figcaption>A permanent magnet mounted in the rotating mirror induces a signal in a magneto fix in the mirror housing, this enables precise triggering of the event to be capture as well as measurement of the timebase.<\/figcaption><\/figure>\n\n\n\n<p>The following is a video of the mirror spinning up from the flow of high pressure dry nitrogen:<\/p>\n\n\n\n<figure class=\"wp-block-embed-vimeo wp-block-embed is-type-video is-provider-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"IMG_2472.MOV\" src=\"https:\/\/player.vimeo.com\/video\/399026065?dnt=1&amp;app_id=122963\" width=\"640\" height=\"360\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>An advertisement for the Avco rotating mirror camera in the March 1963 issue of Physics Today:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"498\" height=\"1734\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2020-03-19-at-10.46.23-PM-1.png\" alt=\"\" class=\"wp-image-2387\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2020-03-19-at-10.46.23-PM-1.png 498w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/Screen-Shot-2020-03-19-at-10.46.23-PM-1-441x1536.png 441w\" sizes=\"(max-width: 498px) 100vw, 498px\" \/><figcaption>An advertisement for the Avco rotating mirror camera in the March 1963 issue of Physics Today<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Author: Tim The following is a video of the mirror spinning up from the flow of high pressure dry nitrogen: An advertisement for the Avco rotating mirror camera in the March 1963 issue of Physics Today:<\/p>\n","protected":false},"author":3,"featured_media":1970,"parent":1856,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"categories":[69,18,68,37],"tags":[],"_links":{"self":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1859"}],"collection":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/comments?post=1859"}],"version-history":[{"count":6,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1859\/revisions"}],"predecessor-version":[{"id":2389,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1859\/revisions\/2389"}],"up":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1856"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media\/1970"}],"wp:attachment":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media?parent=1859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/categories?post=1859"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/tags?post=1859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}