{"id":446207,"date":"2011-07-16T17:53:00","date_gmt":"2011-07-16T21:53:00","guid":{"rendered":"https:\/\/www.nasa.gov\/?p=446207"},"modified":"2023-12-05T11:38:29","modified_gmt":"2023-12-05T16:38:29","slug":"ghost-imaging-of-space-objects-2","status":"publish","type":"post","link":"https:\/\/www.nasa.gov\/general\/ghost-imaging-of-space-objects-2\/","title":{"rendered":"Ghost Imaging of Space Objects"},"content":{"rendered":"<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-none \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"432\" height=\"529\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg?w=432\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Ghost Imaging Space Objects\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg 432w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg?resize=245,300 245w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg?resize=327,400 327w\" sizes=\"(max-width: 432px) 100vw, 432px\" loading=\"eager\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\"><div class=\"hds-caption-text p-sm margin-0\">Ghost Imaging Space Objects<\/div><\/figcaption><\/div><\/div><\/div>\n\n\n<p><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/niac-2011-phi-strekalov-ghostimaging-tagged.pdf?emrc=c8cf77\">NIAC 2011 Phase I Strekalov Final Report<\/a><\/p>\n\n\n\n<p><em>Dmitry Strekalov<br>NASA Jet Propulsion Laboratory<\/em><br>Ghost imaging is an optical imaging technique that utilizes the correlations between optical fields in two channels. One of the channels contains the object, however lacks any spatial resolution. In the other, empty, channel a space-resolving optical detection is allowed. The image is reconstructed by correlating the signals from two channels. In the original implementation, the channels had to be coupled to quantum-correlated (entangled) optical fields. Later it was shown that this approach could also work with ordinary thermal light (e.g., star light), which also possesses correlation properties. However the ghost imaging geometry remains poorly compatible with the imaging of astronomical objects. Specifically, creating of the correlated optical channels requires a beam splitter to be placed between the source and the object. The study team recently re-examined this requirement and found a possibility to avoid it, therefore potentially opening the doors to the ghost-imaging of distant objects using natural light. The key to the proposed approach is the understanding that an optical mode can be coupled in two channels not only by splitting its amplitude with a beam splitter, but also by sub-mode detection, which occurs naturally when the object is smaller than the transverse coherence length. In Phase-I the team will discuss the requirements arising for this type of ghost imaging and theoretically validate the novel approach.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.nasa.gov\/directorates\/stmd\/niac\/niac-studies\/niac-2011-phase-i-and-phase-ii-selections\/\" data-type=\"post\" data-id=\"446057\">2011 Phase I and Phase II Selections<\/a><\/strong><\/p>\n\n\n<div id=\"\" class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-topic-cards\">\t\t<div class=\"grid-container grid-container-block-lg padding-x-0\">\n\t\t\t<div class=\"grid-row flex-align-center margin-bottom-3\">\n\t\t\t\t<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t\t<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n\t\t\t\t\t<h2 class=\"heading-36 line-height-sm\">Discover More NIAC Topics<\/h2>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/space-technology-mission-directorate\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Space Technology Mission Directorate<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"800\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/stmd.jpg?w=525\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/stmd.jpg 525w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/stmd.jpg?resize=197,300 197w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/stmd.jpg?resize=263,400 263w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/stmd.jpg?resize=394,600 394w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/stmd-the-nasa-innovative-advanced-concepts-niac\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>NASA Innovative Advanced Concepts<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1041\" height=\"521\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?w=1041\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png 1041w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=300,150 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=768,384 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=1024,512 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=400,200 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=600,300 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/12\/niac_magnetosphere.png?resize=900,450 900w\" sizes=\"(max-width: 1041px) 100vw, 1041px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/niac-funded-studies\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>NIAC Funded Studies<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"473\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?w=1536\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png 4053w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=300,92 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=768,236 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=1024,315 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=1536,473 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=2048,630 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=400,123 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=600,185 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=900,277 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=1200,369 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2022\/02\/2022_niac_ph_i_ii_selections_web_graphic_banner_final_v2.png?resize=2000,615 2000w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/about-niac\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>About NIAC<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"766\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/09\/niac_2019_howe_troy.png?w=649\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/09\/niac_2019_howe_troy.png 649w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/09\/niac_2019_howe_troy.png?resize=254,300 254w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/09\/niac_2019_howe_troy.png?resize=339,400 339w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2019\/09\/niac_2019_howe_troy.png?resize=508,600 508w\" sizes=\"(max-width: 649px) 100vw, 649px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>NIAC 2011 Phase I Strekalov Final Report Dmitry StrekalovNASA Jet Propulsion LaboratoryGhost imaging is an optical imaging technique that utilizes the correlations between optical fields in two channels. One of the channels contains the object, however lacks any spatial resolution. In the other, empty, channel a space-resolving optical detection is allowed. The image is reconstructed […]<\/p>\n","protected":false},"author":66,"featured_media":446208,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"66","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[],"footnotes":""},"categories":[1],"news-tags":[],"internal-terms":[],"coauthors":[8624],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"Ghost Imaging of Space Objects","url":"https:\/\/www.nasa.gov\/general\/ghost-imaging-of-space-objects-2\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/general\/ghost-imaging-of-space-objects-2\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg"},"articleSection":"General","author":[{"@type":"Person","name":"Loura Hall"}],"creator":["Loura Hall"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["General"],"dateCreated":"2011-07-16T21:53:00Z","datePublished":"2011-07-16T21:53:00Z","dateModified":"2023-12-05T16:38:29Z"},"rendered":"<meta name=\"parsely-title\" content=\"Ghost Imaging of Space Objects\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/general\/ghost-imaging-of-space-objects-2\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2011-07-16T21:53:00Z\" \/>\n<meta name=\"parsely-section\" content=\"General\" \/>\n<meta name=\"parsely-tags\" content=\"General\" \/>\n<meta name=\"parsely-author\" content=\"Loura Hall\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":2,"time_ago":"13 years","featured_image":{"id":446208,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/07\/ghost-imaging-space-objects.jpg","title":"Ghost Imaging Space Objects","alt":"Ghost Imaging Space Objects","caption":"Ghost Imaging Space Objects"},"_links":{"self":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/446207"}],"collection":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/comments?post=446207"}],"version-history":[{"count":3,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/446207\/revisions"}],"predecessor-version":[{"id":574931,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/446207\/revisions\/574931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media\/446208"}],"wp:attachment":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media?parent=446207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/categories?post=446207"},{"taxonomy":"news-tags","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/news-tags?post=446207"},{"taxonomy":"internal-terms","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/internal-terms?post=446207"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/coauthors?post=446207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}