{"id":391,"date":"2014-07-18T15:27:24","date_gmt":"2014-07-18T19:27:24","guid":{"rendered":"http:\/\/localhost:8888\/iridian\/?page_id=391"},"modified":"2018-03-23T03:21:42","modified_gmt":"2018-03-23T07:21:42","slug":"space-satellite-and-astronomy","status":"publish","type":"page","link":"https:\/\/iridian.jp\/en\/application-areas\/space-satellite-and-astronomy\/","title":{"rendered":"Space, Satellite and Astronomy"},"content":{"rendered":"<h2>Earth-Orbit\/Lunar communications<\/h2>\n<p>Due to their excellent uniformity\u00a0and transmission characteristics along with their inherent reliability and durability, Iridian&#8217;s standard\u00a0<a title=\"Telecom-Free-Space\" href=\"\/?product_cat=telecom\/free-space\">telecom filters<\/a> have been used\u00a0for earth-lunar communication for NASA&#8217;s Lunar Laser Communication Demonstration (<a href=\"https:\/\/www.nasa.gov\/directorates\/heo\/scan\/engineering\/technology\/txt_opticalcomm_start.html\" target=\"_blank\">LLCD<\/a>) associated with the LADEE (Lunar Atmosphere and Dust Environment Explorer) project.<\/p>\n<h2>Satellite instrumentation<\/h2>\n<p>Iridian has designed and manufactured filters and provided coatings on optical components\u00a0for several satellite and low-earth orbit instruments.\u00a0 Examples of Iridian&#8217;s filters\u00a0for both earth and stellar observation applications include:<\/p>\n<ul>\n<li>A\u00a0multi-spectral array of 10 bandpass filters from 3 um to 13 um (developed under a subcontract from ABB Canada for the\u00a0<a href=\"http:\/\/www.asc-csa.gc.ca\/eng\/programs\/stdp\/\" target=\"_blank\">Space Technology Development Program<\/a> of the Canadian Space Agency).<\/li>\n<\/ul>\n<div class='one_fourth'>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-386\" src=\"https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-1.jpg\" alt=\"MZF-1\" width=\"187\" height=\"186\" srcset=\"https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-1.jpg 187w, https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-1-150x150.jpg 150w, https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-1-100x100.jpg 100w\" sizes=\"(max-width: 187px) 100vw, 187px\" \/>\n\t\t\t\t<\/div>\n<div class='three_fourth et_column_last'>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-387\" src=\"https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-2.png\" alt=\"MZF-2\" width=\"923\" height=\"429\" srcset=\"https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-2.png 923w, https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/MZF-2-480x223.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 923px, 100vw\" \/>\n\t\t\t\t<\/div><div class='clear'><\/div>\n<ul>\n<li>The 532\/1550 nm partial reflectors and AR coatings for Fabry-Perot etalons used on NASA\u2019s ICESat-2 satellite.<\/li>\n<li>AR coatings for use on NASA\u2019s Solar Dynamics Observatory (SDO).<\/li>\n<li>2-10 nm bandpass filters used by NASA for remote sensing applications around the world.<\/li>\n<li>Very narrow-band, large format filters for imaging lightning.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-414\" src=\"\/wp-content\/uploads\/2014\/10\/space-4.png\" alt=\"space-4\" width=\"465\" height=\"247\" \/><\/p>\n<ul>\n<li>Coated components (i.e., Michelson interferometers) used or currently scheduled to go into space.<\/li>\n<\/ul>\n<h2>Astronomy<\/h2>\n<p>Iridian has supplied custom filters, with sizes as large as 200 mm x 170 mm, for astronomical observations. One such multi-peak filter was used by the John Hopkin&#8217;s University group investigating the accelerating expansion of the universe to detect <a href=\"http:\/\/www.nobelprize.org\/nobel_prizes\/physics\/laureates\/2011\/press.html\" target=\"_blank\">Type 1A supernova<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-417\" src=\"https:\/\/iridian.jp\/wp-content\/uploads\/2014\/10\/space-3.jpg\" alt=\"space-3\" width=\"375\" height=\"289\" \/><\/p>\n<h3>ISS Light Absorbers<\/h3>\n<p>Instruments used in harsh environments such as outer space must be durable yet precise enough for the purposes of science. Iridian is the proud supplier of high performance and reliable <a title=\"Stray Light (Black) Absorbers\" href=\"https:\/\/iridian.jp\/products\/specialty-filters\/stray-light-black-absorbers\/\" target=\"_blank\">light absorbing<\/a> (&#8216;black absorbers&#8217;) thin film filters to the Canadian Space Agency. These light absorbers have been in use on the International Space Station (ISS) and on satellites launched by the Space Shuttle.<\/p>\n<p>Iridian&#8217;s light absorbers for space application are used to provide a high contrast surface in comparison to the highly reflecting white surfaces used on satellites or the space station. For space and other harsh environments, Iridian&#8217;s light absorbers can be designed and fabricated for either a narrow or broad wavelength ranges between 400-2200 nm. They use hard dielectric coatings with excellent durability. In addition, our light absorbers can be shipped with an adhesive-backed surface for easy application to different types of surfaces and can be cut into different shapes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earth-Orbit\/Lunar communications Due to their excellent uniformity\u00a0and transmission characteristics along with their inherent reliability and durability, Iridian&#8217;s standard\u00a0telecom filters have been used\u00a0for earth-lunar communication for NASA&#8217;s Lunar Laser Communication Demonstration (LLCD) associated with the LADEE (Lunar Atmosphere and Dust Environment Explorer) project. Satellite instrumentation Iridian has designed and manufactured filters and provided coatings on optical [&hellip;]<\/p>\n","protected":false},"author":147,"featured_media":0,"parent":121,"menu_order":237,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-391","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.7 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Optical Filters, Space, Satellite, Astronomy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iridian.jp\/en\/application-areas\/space-satellite-and-astronomy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Space, Satellite and Astronomy\" \/>\n<meta property=\"og:description\" content=\"Earth-Orbit\/Lunar communications Due to their excellent uniformity\u00a0and transmission characteristics along with their inherent reliability and durability, Iridian&#8217;s standard\u00a0telecom filters have been used\u00a0for earth-lunar communication for NASA&#8217;s Lunar Laser Communication Demonstration (LLCD) associated with the LADEE (Lunar Atmosphere and Dust Environment Explorer) project. 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