{"id":3167,"date":"2025-06-10T19:14:26","date_gmt":"2025-06-10T16:14:26","guid":{"rendered":"https:\/\/baspik.com\/en\/?page_id=3167"},"modified":"2025-06-15T10:40:28","modified_gmt":"2025-06-15T07:40:28","slug":"fiber-optic-plates","status":"publish","type":"page","link":"https:\/\/baspik.com\/en\/research-and-development\/fiber-optic-plates\/","title":{"rendered":"Fiber-optic plates"},"content":{"rendered":"\n<p class=\"is-style-emphasis\">Fiber-optic plate (FOP) is an optical glass component comprised of a bundle of regularly arranged optical fibers with diameters of a few microns, fused and pressed together to transmit an image from one end-face to the other.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-bea02a06 wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/baspik.com\/en\/wp-content\/uploads\/sites\/5\/2025\/06\/vop-en.mp4\"><\/video><\/figure>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Design and principle of operation<\/h3>\n\n\n\n<p>The FOP has a multi-channel honeycomb structure. This component includes three principal glasses: conducting core, reflective cladding, and absorbing cladding. The principle of operation of the FOP is based on total internal light reflection.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/baspik.com\/wp-content\/uploads\/2025\/06\/vop-scheme-2.webp\" alt=\"\" class=\"wp-image-3641\" style=\"object-fit:cover\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Application<\/h3>\n\n\n\n<p>Fiber-optic plates are used as input and output windows of image intensifier tubes (IIT), and as&nbsp; screens of&nbsp; vacuum tubes and&nbsp; MCP detectors. As part of the application device, FOPs perform functions of transmission and switching of light signals, transmission of optical or electro-optical images, transformation of the cross sectional shape of the light signal, correction of the field curvature of the optical system.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/baspik.com\/wp-content\/uploads\/2025\/06\/vop-scheme-3.webp\" alt=\"\" class=\"wp-image-3642\" style=\"width:475px;height:auto\"\/><\/figure>\n\n\n\n<p>A straight plane-parallel FOP is used at the IIT input. Various designs of FOPs are used at the output of the IIT:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>with 180\u00b0 image inversion;<\/li>\n\n\n\n<li>straight, without image inversion.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">FOP basic parameters<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter, unit<\/th><th>Normal value<\/th><\/tr><\/thead><tbody><tr><td>1. Single fiber size, \u00b5m<\/td><td>4.5 max<\/td><\/tr><tr><td>2. Limiting resolution in the center, lp\/mm<\/td><td>110<\/td><\/tr><tr><td>3. Limiting resolution within the active area diameter without image inversion, lp\/mm<\/td><td>110<\/td><\/tr><tr><td>4. Limiting resolution within the active area diameter with 180\u00b0 image inversion, lp\/mm<\/td><td>90<\/td><\/tr><tr><td>5. Transmittance at 550 nm: <\/td><td><\/td><\/tr><tr><td>&#8211; for FOP without image inversion; <\/td><td> 0.55 (\u00d8 3 mm), 0.45 (\u00d8 17 mm) &nbsp; <\/td><\/tr><tr><td>&#8211; for FOP with image inversion<\/td><td>0.55 (\u00d8 3 mm), 0.45 (\u00d8 17 mm)<\/td><\/tr><tr><td>6. Structural non-uniformity of transmittance when scanning with a 20\u00d720 \u03bcm light spot , %<\/td><td>5<\/td><\/tr><tr><td>7. Image inversion angle (for a twister), degree<\/td><td>180 (\u00b11\u2070)<\/td><\/tr><tr><td>8. Numerical aperture<\/td><td>1<\/td><\/tr><tr><td>9. Image shear distortion, \u03bcm<\/td><td>In the central area (\u00d82 mm): 15 max, In the remaining area (\u00d82 &#8211; 18.6 mm): 25 max.<\/td><\/tr><tr><td>10. Image gross distortion within the entire active area diameter:<\/td><td>60<\/td><\/tr><tr><td>11. Vacuum density, m<sup>3<\/sup>\u00d7Pa\/\u0441<\/td><td>1\u00d710<sup>-12<\/sup><\/td><\/tr><tr><td>12. Output surface radii (for a spherical FOP), mm:<\/td><td>40, 18<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Fiber-optic plate (FOP) is an optical glass component comprised of a bundle of regularly arranged optical fibers with diameters of a few microns, fused and pressed together to transmit an image from one end-face to the other. Design and principle of operation The FOP has a multi-channel honeycomb structure. This component includes three principal glasses: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":135,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"tags":[61],"class_list":["post-3167","page","type-page","status-publish","hentry","tag-fiber-optic-plates"],"_links":{"self":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/3167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/comments?post=3167"}],"version-history":[{"count":6,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/3167\/revisions"}],"predecessor-version":[{"id":3235,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/3167\/revisions\/3235"}],"up":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/135"}],"wp:attachment":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/media?parent=3167"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/tags?post=3167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}