{"id":13839,"date":"2019-08-11T20:03:24","date_gmt":"2019-08-12T00:03:24","guid":{"rendered":"https:\/\/www.iridian.ca\/?page_id=13839"},"modified":"2019-12-05T21:54:47","modified_gmt":"2019-12-06T02:54:47","slug":"satcom-optical-filters-and-coatings","status":"publish","type":"page","link":"https:\/\/www.iridian.ca\/zh-hans\/application-areas\/satcom-optical-filters-and-coatings\/","title":{"rendered":"Satcom Optical Filters and Coatings"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”3.26.7″ z_index_tablet=”500″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”][et_pb_fullwidth_header title=”Satcom Optical Filters & Coatings” text_orientation=”center” button_one_text=”GET A QUOTE” button_one_url=”\/rfq\/” _builder_version=”3.26.7″ title_font=”|700||on|||||” title_text_color=”#ffffff” title_font_size=”40px” background_image=”https:\/\/www.iridian.ca\/wp-content\/uploads\/2019\/08\/Satcom-product-sheet-header-no-text.jpg” parallax=”on” parallax_method=”on” custom_padding=”150px||150px|” z_index_tablet=”500″ link_option_url_new_window=”on” title_font_size_tablet=”35px” title_font_size_phone=”30px” title_font_size_last_edited=”on|desktop” title_text_shadow_horizontal_length_tablet=”0px” title_text_shadow_vertical_length_tablet=”0px” title_text_shadow_blur_strength_tablet=”1px” content_text_shadow_horizontal_length_tablet=”0px” 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The desire for low latency, high capacity, secure, uninter- rupted internet connectivity everywhere on earth, at all times has driven explosive growth in the satellite communi- cations (Satcom<\/strong><\/span>) market. Iridian designs and manufactures custom wavelength selective windows and transceiver filters to improve the signal to noise in these systems.<\/p>\n

 <\/p>\n

Iridian<\/strong><\/span> has over 20 years of experience producing industry leading optical telecommunication and datacom filters<\/p>\n

for terrestrial systems. This communication filter expertise is combined with a space heritage providing filters flown in satellite applications such as earth observation and<\/p>\n

is supported by a dedicated A<\/strong>erospace<\/strong> and Specialty<\/strong> Optics <\/strong><\/span>group to guide customers from initial specification and design through to full volume production from our Ottawa, Canada facility.<\/p>\n

Satcom and Optical Filters<\/h2>\n

Commercial Satcom networks will consist of constellations of 100\u2019s to 1000\u2019s of satellites in an interconnected low earth orbit (LEO<\/strong><\/span>) mesh. Many of these systems rely on an optical intersatellite link (OISL<\/strong><\/span>) architecture to connect satellites via laser based optical communications. Optical filters provide wavelength selectivity to these systems addressing different functional needs from solar rejection windows to beam steering wavelength selective dichroic filters.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”3.0.47″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ z_index_tablet=”500″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength_tablet=”1px” link_text_shadow_horizontal_length_tablet=”0px” link_text_shadow_vertical_length_tablet=”0px” link_text_shadow_blur_strength_tablet=”1px” ul_text_shadow_horizontal_length_tablet=”0px” ul_text_shadow_vertical_length_tablet=”0px” ul_text_shadow_blur_strength_tablet=”1px” ol_text_shadow_horizontal_length_tablet=”0px” ol_text_shadow_vertical_length_tablet=”0px” ol_text_shadow_blur_strength_tablet=”1px” quote_text_shadow_horizontal_length_tablet=”0px” quote_text_shadow_vertical_length_tablet=”0px” quote_text_shadow_blur_strength_tablet=”1px” header_text_shadow_horizontal_length_tablet=”0px” header_text_shadow_vertical_length_tablet=”0px” header_text_shadow_blur_strength_tablet=”1px” header_2_text_shadow_horizontal_length_tablet=”0px” header_2_text_shadow_vertical_length_tablet=”0px” header_2_text_shadow_blur_strength_tablet=”1px” header_3_text_shadow_horizontal_length_tablet=”0px” header_3_text_shadow_vertical_length_tablet=”0px” header_3_text_shadow_blur_strength_tablet=”1px” header_4_text_shadow_horizontal_length_tablet=”0px” header_4_text_shadow_vertical_length_tablet=”0px” header_4_text_shadow_blur_strength_tablet=”1px” header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

Solar Rejection Windows (SRW) <\/em><\/strong><\/span>allow the transmission of the communication band (typically around 1550nm) between satellites while blocking the background solar radiation, providing improved signal-to-noise while helping minimize solar heating inside the satellite.<\/p>\n

 <\/p>\n

    \n
  • Typical optical filter performance requirements:\n
      \n
    • high transmittance in signal band<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

      \u2013 \u00a0typically 1550nm; wavelength is customizable<\/p>\n

        \n
      • broad deep blocking of solar spectrum<\/li>\n
      • large (up to 150mm) windows<\/li>\n
      • low transmitted wavefront error (TWE)<\/li>\n<\/ul>\n

        D<\/em><\/strong>ichroic<\/em><\/strong> filters<\/em><\/strong><\/span> enable the receiver to selectively receive specific wavelength bands of interest. These may be used as stand-alone clean-up filters or in series to direct different signals to different detectors in the optical train.<\/p>\n

         <\/p>\n

          \n
        • Optical filter requirements:\n
            \n
          • high transmittance and high reflection<\/li>\n
          • steep edges<\/li>\n
          • may need to preserve polarization (for QKD encryption signals)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”3.22″][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”4_4″ _builder_version=”3.0.47″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.iridian.ca\/wp-content\/uploads\/2019\/08\/Satcom-product-sheet-chart.jpg” show_in_lightbox=”on” align=”center” admin_label=”Chart” _builder_version=”3.26.7″ z_index_tablet=”500″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”3.22″][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”4_4″ _builder_version=”3.0.47″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ header_2_font=”|700|||||||” header_2_text_color=”#2167a1″ z_index_tablet=”500″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength_tablet=”1px” link_text_shadow_horizontal_length_tablet=”0px” link_text_shadow_vertical_length_tablet=”0px” link_text_shadow_blur_strength_tablet=”1px” ul_text_shadow_horizontal_length_tablet=”0px” ul_text_shadow_vertical_length_tablet=”0px” ul_text_shadow_blur_strength_tablet=”1px” ol_text_shadow_horizontal_length_tablet=”0px” ol_text_shadow_vertical_length_tablet=”0px” ol_text_shadow_blur_strength_tablet=”1px” quote_text_shadow_horizontal_length_tablet=”0px” quote_text_shadow_vertical_length_tablet=”0px” quote_text_shadow_blur_strength_tablet=”1px” header_text_shadow_horizontal_length_tablet=”0px” header_text_shadow_vertical_length_tablet=”0px” header_text_shadow_blur_strength_tablet=”1px” header_2_text_shadow_horizontal_length_tablet=”0px” header_2_text_shadow_vertical_length_tablet=”0px” header_2_text_shadow_blur_strength_tablet=”1px” header_3_text_shadow_horizontal_length_tablet=”0px” header_3_text_shadow_vertical_length_tablet=”0px” header_3_text_shadow_blur_strength_tablet=”1px” header_4_text_shadow_horizontal_length_tablet=”0px” header_4_text_shadow_vertical_length_tablet=”0px” header_4_text_shadow_blur_strength_tablet=”1px” header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

            Space Heritage<\/h2>\n

            Ir<\/strong>idian<\/strong> has produced individual filters and multi-spectral elements that have been tested and qualified for a range of orbits and space environments. Iridian<\/strong> is a registered participant in the Canadian Controlled Goods Program.<\/p>\n

            [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”3.22″][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” column_structure=”1_2,1_2″][et_pb_column type=”1_2″ _builder_version=”3.0.47″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.27.4″ z_index_tablet=”500″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength_tablet=”1px” link_text_shadow_horizontal_length_tablet=”0px” link_text_shadow_vertical_length_tablet=”0px” link_text_shadow_blur_strength_tablet=”1px” ul_text_shadow_horizontal_length_tablet=”0px” ul_text_shadow_vertical_length_tablet=”0px” ul_text_shadow_blur_strength_tablet=”1px” ol_text_shadow_horizontal_length_tablet=”0px” ol_text_shadow_vertical_length_tablet=”0px” ol_text_shadow_blur_strength_tablet=”1px” quote_text_shadow_horizontal_length_tablet=”0px” quote_text_shadow_vertical_length_tablet=”0px” quote_text_shadow_blur_strength_tablet=”1px” header_text_shadow_horizontal_length_tablet=”0px” header_text_shadow_vertical_length_tablet=”0px” header_text_shadow_blur_strength_tablet=”1px” header_2_text_shadow_horizontal_length_tablet=”0px” header_2_text_shadow_vertical_length_tablet=”0px” header_2_text_shadow_blur_strength_tablet=”1px” header_3_text_shadow_horizontal_length_tablet=”0px” header_3_text_shadow_vertical_length_tablet=”0px” header_3_text_shadow_blur_strength_tablet=”1px” header_4_text_shadow_horizontal_length_tablet=”0px” header_4_text_shadow_vertical_length_tablet=”0px” header_4_text_shadow_blur_strength_tablet=”1px” header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”]<\/p>\n

            Some of our filters and coatings for space:<\/h3>\n
              \n
            • Multi\u2010zone filter arrays currently in LEO orbit with commercial customers. These include:\n
                \n
              • Assembled arrays; as many as 10 zones with dark seam coatings to provide isolation between colour bands<\/li>\n
              • Monolithic patterned arrays; as many as 5 zones<\/li>\n<\/ul>\n<\/li>\n
              • Light absorbing coatings on International Space Station\n
                  \n
                • LEO at 350 km<\/li>\n<\/ul>\n<\/li>\n
                • 532\/1550 nm partial reflectors and AR coatings for Fabry \u2010 Perot etalons used on NASA\u2019s ICE Sat\u20102 satellite\n
                    \n
                  • LEO at 500 km<\/li>\n<\/ul>\n<\/li>\n
                  • AR coatings on NASA\u2019s Solar Dynamics Observatory (SDO)\n
                      \n
                    • Geosynchronous orbit<\/li>\n<\/ul>\n<\/li>\n
                    • Large format NIR Bandpass filters for NASA LADEE free space communications test, Lunar Laser Communication Demonstration (LLCD)<\/li>\n
                    • Large, highly uniform narrow bandpass filters and SRW for MTG-Lightning Imager at 7nm\n
                        \n
                      • Geosynchronous orbit<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

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                        Completed Space Environment Tests:<\/h3>\n

                        Radiation exposure including:<\/p>\n

                          \n
                        • gamma, proton, combined solar UV and electron<\/li>\n<\/ul>\n
                            \n
                          • Thermal shock\/survivability: multiple liquid N2 dips<\/li>\n
                          • Vibration testing (customer performed)<\/li>\n
                          • Laser damage testing: in excess of 1 MW\/cm2<\/li>\n
                          • Thermal vacuum cycling testing from 50K to 450K<\/li>\n
                          • Reliability as per MIL\u2010C\u201048497A<\/li>\n
                          • Outgassing testing (ASTM\u2010E595)<\/li>\n<\/ul>\n

                            [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”3.25″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”4_4″ _builder_version=”3.0.47″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_button button_text=”Download Whitepaper” button_alignment=”center” module_id=”popmake-13872″ module_class=”popmake-13872″ _builder_version=”4.0.7″ z_index_tablet=”500″ hover_enabled=”0″ button_text_shadow_horizontal_length_tablet=”0px” button_text_shadow_vertical_length_tablet=”0px” button_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px”][\/et_pb_button][et_pb_text admin_label=”Page bottom Iridian tag line” _builder_version=”3.27.3″ text_font_size=”12px” text_orientation=”center” module_alignment=”center” z_index_tablet=”500″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength_tablet=”1px” link_text_shadow_horizontal_length_tablet=”0px” link_text_shadow_vertical_length_tablet=”0px” link_text_shadow_blur_strength_tablet=”1px” ul_text_shadow_horizontal_length_tablet=”0px” ul_text_shadow_vertical_length_tablet=”0px” ul_text_shadow_blur_strength_tablet=”1px” ol_text_shadow_horizontal_length_tablet=”0px” ol_text_shadow_vertical_length_tablet=”0px” ol_text_shadow_blur_strength_tablet=”1px” quote_text_shadow_horizontal_length_tablet=”0px” quote_text_shadow_vertical_length_tablet=”0px” quote_text_shadow_blur_strength_tablet=”1px” header_text_shadow_horizontal_length_tablet=”0px” header_text_shadow_vertical_length_tablet=”0px” header_text_shadow_blur_strength_tablet=”1px” header_2_text_shadow_horizontal_length_tablet=”0px” header_2_text_shadow_vertical_length_tablet=”0px” header_2_text_shadow_blur_strength_tablet=”1px” header_3_text_shadow_horizontal_length_tablet=”0px” header_3_text_shadow_vertical_length_tablet=”0px” header_3_text_shadow_blur_strength_tablet=”1px” header_4_text_shadow_horizontal_length_tablet=”0px” header_4_text_shadow_vertical_length_tablet=”0px” header_4_text_shadow_blur_strength_tablet=”1px” header_5_text_shadow_horizontal_length_tablet=”0px” header_5_text_shadow_vertical_length_tablet=”0px” header_5_text_shadow_blur_strength_tablet=”1px” header_6_text_shadow_horizontal_length_tablet=”0px” header_6_text_shadow_vertical_length_tablet=”0px” header_6_text_shadow_blur_strength_tablet=”1px” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_module=”14031″ saved_tabs=”all”]<\/p>\n

                            Iridian Spectral Technologies Ltd<\/span> <\/strong>(Iridian) is a diversified optical filter manufacturer that is an international leader in filter design and manufacture especially for application in the fields of fiber optic communications, optical spectroscopy, 3D entertainment, and in aerospace. Iridian is a global supplier with distributors in many countries.<\/p>\n

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                            The desire for low latency, high capacity, secure, uninter- rupted internet connectivity everywhere on earth, at all times has driven explosive growth in the satellite communications (Satcom) market. Iridian designs and manufactures custom wavelength selective windows and transceiver filters to improve the signal to noise in these systems.<\/p>\n","protected":false},"author":159,"featured_media":0,"parent":121,"menu_order":90,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-13839","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSatcom Optical Filters and Coatings - Iridian Spectral Technologies<\/title>\n<meta name=\"description\" content=\"Iridian designs and manufactures custom wavelength selective windows and transceiver filters in the satellite communications (Satcom) systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iridian.ca\/application-areas\/satcom-optical-filters-and-coatings\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Satcom Optical Filters and Coatings\" \/>\n<meta property=\"og:description\" content=\"Iridian designs and manufactures custom wavelength selective windows and transceiver filters in the satellite communications (Satcom) systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.iridian.ca\/application-areas\/satcom-optical-filters-and-coatings\/\" \/>\n<meta property=\"og:site_name\" content=\"Iridian Spectral Technologies\" \/>\n<meta property=\"article:modified_time\" content=\"2019-12-06T02:54:47+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@IridianSpectral\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"15 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.iridian.ca\/application-areas\/satcom-optical-filters-and-coatings\/\",\"url\":\"https:\/\/www.iridian.ca\/application-areas\/satcom-optical-filters-and-coatings\/\",\"name\":\"Satcom Optical Filters and Coatings - 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