{"id":568,"date":"2020-07-04T04:19:54","date_gmt":"2020-07-04T04:19:54","guid":{"rendered":"https:\/\/live-optics-wp.pantheonsite.io\/oscoutreach\/?page_id=568"},"modified":"2025-04-22T13:24:47","modified_gmt":"2025-04-22T20:24:47","slug":"c-s-i-optics-forensic-science","status":"publish","type":"page","link":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/themed-workshops\/c-s-i-optics-forensic-science\/","title":{"rendered":"C.S.I. Optics &#8211; Forensic Science"},"content":{"rendered":"\r\n<h3 id=\"top\" class=\"wp-block-heading\">Follow the Clues&#8230;<\/h3>\r\n\r\n\r\n<hr class=\"wp-block-separator has-css-opacity\" \/>\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"http:\/\/uv\">UV Analysis<\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"#fiber\">Fiber Thickness<\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"#spectral-analysis\">Spectral Analysis<\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"#sodium-lamp\">Sodium Streetlights<\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/near-infrared-camera\/\">Near IR camera<\/a><\/p>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<p class=\"has-text-align-center\"><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/microscopes\/\">Microscopes<\/a><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Detecting footprints with UV light<\/li>\r\n\r\n\r\n\r\n<li>Measuring thicknesses of hair samples with a laser<\/li>\r\n\r\n\r\n\r\n<li>Testing eyewitness recall with sodium lamp<\/li>\r\n\r\n\r\n\r\n<li>Analyzing spectral signatures of samples<\/li>\r\n\r\n\r\n\r\n<li>Determining if bills are counterfeit using an IR camera<\/li>\r\n\r\n\r\n\r\n<li>Finding microscopic details in bills<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h3 id=\"uv\" class=\"wp-block-heading\">UV Analysis<\/h3>\r\n<p><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/luminescence\/\">Luminescence<\/a><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1580 aligncenter\" src=\"http:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-300x225.jpg\" alt=\"\" width=\"538\" height=\"404\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-300x225.jpg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-1024x768.jpg 1024w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-768x576.jpg 768w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-1536x1152.jpg 1536w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/01\/PXL_20240125_155401280.MP_-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/p>\r\n<p style=\"text-align: center\">Ultraviolet light can make objects with a specific composition glow<\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-css-opacity\" \/>\r\n\r\n\r\n<h3 id=\"fiber\" class=\"wp-block-heading\">Measure Fiber Thickness<\/h3>\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter size-large is-resized\">\r\n<div id=\"attachment_640\" style=\"width: 1034px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-640\" class=\"wp-image-640\" style=\"width: 546px;height: 409px\" src=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/F113EAA9-06CE-49B4-8CC4-5CA29595E1B4_1_105_c.jpeg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/F113EAA9-06CE-49B4-8CC4-5CA29595E1B4_1_105_c.jpeg 1024w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/F113EAA9-06CE-49B4-8CC4-5CA29595E1B4_1_105_c-300x225.jpeg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/F113EAA9-06CE-49B4-8CC4-5CA29595E1B4_1_105_c-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-640\" class=\"wp-caption-text\">Very slender object thicknesses can be measured with light by using diffraction<\/p><\/div>\r\n<\/figure>\r\n<\/div>\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-css-opacity\" \/>\r\n\r\n\r\n<h3 id=\"spectral-analysis\" class=\"wp-block-heading\">Spectral Analysis<\/h3>\r\n<p><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/diffraction\/\">Diffraction<\/a><\/p>\r\n\r\n\r\n<div class=\"wp-block-image\">\r\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" class=\"wp-image-641\" style=\"width: 390px;height: 520px\" src=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/1A230A73-E025-40C8-B5EC-F50A15C7FB68_1_105_c.jpeg\" alt=\"What element are we looking at? What does it look like through diffraction glasses? What does it look like with a spectrometer?\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/1A230A73-E025-40C8-B5EC-F50A15C7FB68_1_105_c.jpeg 768w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/1A230A73-E025-40C8-B5EC-F50A15C7FB68_1_105_c-225x300.jpeg 225w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/>\r\n<figcaption class=\"wp-element-caption\">What element are we looking at? What does it look like through diffraction glasses? What does it look like with a spectrometer?<\/figcaption>\r\n<\/figure>\r\n<\/div>\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-css-opacity\" \/>\r\n\r\n\r\n<h3 id=\"sodium-lamp\" class=\"wp-block-heading\">Sodium Streetlights<\/h3>\r\n<p><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/skittles-game\/\">Monochromatic Light<\/a><\/p>\r\n\r\n\r\n\r\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-631\" src=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/35DE3E0F-7F9C-478F-9CC0-C149C1021E62_1_105_c.jpeg\" alt=\"\" width=\"563\" height=\"422\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/35DE3E0F-7F9C-478F-9CC0-C149C1021E62_1_105_c.jpeg 1024w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/35DE3E0F-7F9C-478F-9CC0-C149C1021E62_1_105_c-300x225.jpeg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/35DE3E0F-7F9C-478F-9CC0-C149C1021E62_1_105_c-768x576.jpeg 768w\" sizes=\"auto, (max-width: 563px) 100vw, 563px\" \/>\r\n<figcaption class=\"wp-element-caption\">Under the sodium lamp these shirts all look gray&#8230;<\/figcaption>\r\n<\/figure>\r\n<\/div>\r\n\r\n\r\n\r\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-632\" src=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/82160706-E953-404A-B721-750771E4C438_1_105_c.jpeg\" alt=\"\" width=\"567\" height=\"425\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/82160706-E953-404A-B721-750771E4C438_1_105_c.jpeg 1024w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/82160706-E953-404A-B721-750771E4C438_1_105_c-300x225.jpeg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/82160706-E953-404A-B721-750771E4C438_1_105_c-768x576.jpeg 768w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/>\r\n<figcaption class=\"wp-element-caption\">&#8230;but they are actually three different red shirts!<\/figcaption>\r\n<\/figure>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-css-opacity\" \/>\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Near IR Camera<\/h3>\r\n<p><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/near-infrared-camera\/\">Near IR Camera<\/a><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1636 aligncenter\" src=\"http:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1-300x300.jpg\" alt=\"\" width=\"432\" height=\"432\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1-300x300.jpg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1-150x150.jpg 150w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1-90x90.jpg 90w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1-75x75.jpg 75w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2024\/03\/am4115-fjt_1.jpg 636w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/p>\r\n<p style=\"text-align: center\">Real money has features visible only under a near infrared camera<\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\r\n\r\n\r\n<h3 class=\"wp-block-heading\">Microscopes<\/h3>\r\n<p><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/microscopes\/\">Microscopes<\/a><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-606 aligncenter\" src=\"http:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-300x225.jpeg\" alt=\"\" width=\"456\" height=\"342\" srcset=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-300x225.jpeg 300w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-1024x768.jpeg 1024w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-768x576.jpeg 768w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-1536x1152.jpeg 1536w, https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/5AEBAA7C-6671-4D9F-9AA6-9A5222818899-2048x1536.jpeg 2048w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/p>\r\n<p style=\"text-align: center\">Microscopes can reveal details that the human eye cannot detect on its own<\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-align-right\"><a href=\"#top\">Back to Top<\/a><\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\r\n\r\n\r\n<h4 class=\"wp-block-heading\">Downloads<\/h4>\r\n\r\n\r\n\r\n<div class=\"wp-block-file\"><a href=\"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-content\/uploads\/sites\/75\/2020\/07\/Optical-Forensics-Worksheet.pdf\">Optical Forensics Worksheet<\/a><\/div>\r\n<div><hr class=\"wp-block-separator has-css-opacity\" \/><\/div>\r\n\r\n\r\n\r\n<h4 class=\"wp-block-heading\">Learn More (External Links)<\/h4>\r\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":43,"featured_media":0,"parent":516,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-568","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/pages\/568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/users\/43"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/comments?post=568"}],"version-history":[{"count":30,"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/pages\/568\/revisions"}],"predecessor-version":[{"id":1973,"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/pages\/568\/revisions\/1973"}],"up":[{"embeddable":true,"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/pages\/516"}],"wp:attachment":[{"href":"https:\/\/wp.optics.arizona.edu\/oscoutreach\/wp-json\/wp\/v2\/media?parent=568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}