{"id":1867,"date":"2020-03-16T23:22:52","date_gmt":"2020-03-17T03:22:52","guid":{"rendered":"http:\/\/www.nuclearphysicslab.com\/npl\/?page_id=1867"},"modified":"2020-03-19T15:41:14","modified_gmt":"2020-03-19T19:41:14","slug":"fast-flash-photography","status":"publish","type":"page","link":"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/experiments\/photography\/fast-flash-photography\/","title":{"rendered":"Fast Flash Photography"},"content":{"rendered":"\n<p class=\"has-text-align-center\"><em>Author: Tim<\/em><\/p>\n\n\n\n<p>I have tried a few fast-motion capture experiments with a long open shutter in a dark room, where some event triggers a fast flash, thereby only briefly illuminating the subject.  These are preliminary.  All triggered by the breaking of a wire and interrupting a circuit.  FWHM flash durations were about 10us.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572.jpg\"><img loading=\"lazy\" width=\"4256\" height=\"2832\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572.jpg\" alt=\"\" class=\"wp-image-1872\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572.jpg 4256w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572-768x511.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572-1536x1022.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572-2048x1363.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9572-406x270.jpg 406w\" sizes=\"(max-width: 4256px) 100vw, 4256px\" \/><\/a><figcaption>Rupturing a red balloon <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551.jpg\"><img loading=\"lazy\" width=\"4256\" height=\"2832\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551.jpg\" alt=\"\" class=\"wp-image-1869\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551.jpg 4256w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551-768x511.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551-1536x1022.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551-2048x1363.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9551-406x270.jpg 406w\" sizes=\"(max-width: 4256px) 100vw, 4256px\" \/><\/a><figcaption>Smashed light bulb #1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569.jpg\"><img loading=\"lazy\" width=\"4256\" height=\"2832\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569.jpg\" alt=\"\" class=\"wp-image-1871\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569.jpg 4256w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569-768x511.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569-1536x1022.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569-2048x1363.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9569-406x270.jpg 406w\" sizes=\"(max-width: 4256px) 100vw, 4256px\" \/><\/a><figcaption>Smashed light bulb #2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548.jpg\"><img loading=\"lazy\" width=\"4256\" height=\"2832\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548.jpg\" alt=\"\" class=\"wp-image-1868\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548.jpg 4256w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548-768x511.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548-1536x1022.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548-2048x1363.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/TWK_9548-406x270.jpg 406w\" sizes=\"(max-width: 4256px) 100vw, 4256px\" \/><\/a><figcaption>initial phases of exploding party popper (note wire across face of the barrel)<\/figcaption><\/figure>\n\n\n\n<p>Here are a few details of the fast flash setup: <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336.jpg\" alt=\"\" class=\"wp-image-2319\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2336-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>Example of think copper foil that ruptures, breaking the circuit which fires the flash lamp.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333.jpg\" alt=\"\" class=\"wp-image-2320\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2333-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>A used spiral Xe flash lamp from a ruby laser.  The high voltage is placed across the spiral tube (white and green capped leads) and a capacitively coupled HV pulse triggers the flash.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332.jpg\"><img loading=\"lazy\" width=\"2448\" height=\"3264\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332.jpg\" alt=\"\" class=\"wp-image-2321\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332.jpg 2448w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332-1875x2500.jpg 1875w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332-768x1024.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332-1152x1536.jpg 1152w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332-1536x2048.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2332-203x270.jpg 203w\" sizes=\"(max-width: 2448px) 100vw, 2448px\" \/><\/a><figcaption>Flash charging, triggering, and current measuring setup.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331.jpg\"><img loading=\"lazy\" width=\"3264\" height=\"2448\" src=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331.jpg\" alt=\"\" class=\"wp-image-2322\" srcset=\"http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331.jpg 3264w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331-768x576.jpg 768w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331-1536x1152.jpg 1536w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331-2048x1536.jpg 2048w, http:\/\/www.nuclearphysicslab.com\/npl\/wp-content\/uploads\/IMG_2331-360x270.jpg 360w\" sizes=\"(max-width: 3264px) 100vw, 3264px\" \/><\/a><figcaption>Flash current profile, FWHM ~ 22us<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Author: Tim I have tried a few fast-motion capture experiments with a long open shutter in a dark room, where some event triggers a fast flash, thereby only briefly illuminating the subject. These are preliminary. All triggered by the breaking of a wire and interrupting a circuit. FWHM flash durations were about 10us. Here&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"http:\/\/www.nuclearphysicslab.com\/npl\/npl-home\/experiments\/photography\/fast-flash-photography\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":1869,"parent":1856,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"advanced-sidebar-menu\/link-title":"","advanced-sidebar-menu\/exclude-page":false},"categories":[71,18,68,37],"tags":[],"_links":{"self":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1867"}],"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=1867"}],"version-history":[{"count":7,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1867\/revisions"}],"predecessor-version":[{"id":2325,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/pages\/1867\/revisions\/2325"}],"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\/1869"}],"wp:attachment":[{"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/media?parent=1867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/categories?post=1867"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nuclearphysicslab.com\/npl\/wp-json\/wp\/v2\/tags?post=1867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}