{"id":2270,"date":"2026-05-25T12:24:27","date_gmt":"2026-05-25T10:24:27","guid":{"rendered":"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/?p=2270"},"modified":"2026-05-26T15:25:11","modified_gmt":"2026-05-26T13:25:11","slug":"how-vacuum-enables-high-performance-infrared-imaging-systems","status":"publish","type":"post","link":"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/how-vacuum-enables-high-performance-infrared-imaging-systems\/","title":{"rendered":"How Vacuum Enables High-Performance Infrared Imaging Systems"},"content":{"rendered":"<div class=\"headline container\">\n    <div class=\"col-12\">\n    <h1 class=\"h1 title\">How Vacuum Enables High-Performance Infrared Imaging Systems<\/h1>  <\/div>\n<\/div>\n\n\n<div class=\"container\">\n      <div class=\"col-6\">\n      <div>\n        <p>Infrared imaging systems are becoming increasingly important across industries <strong>where visibility, precision and reliability are critical<\/strong>.<\/p>\n<p>From<strong> autonomous vehicles<\/strong> and <strong>drones<\/strong> to <strong>aerospace, defense<\/strong> and <strong>advanced medical imaging<\/strong>, thermal vision technologies allow systems to detect heat signatures even in complete darkness.<\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p>But behind every infrared image lies a less visible \u2014 yet fundamental \u2014 enabling technology: <strong>vacuum<\/strong>.<\/p>\n<p><strong>Maintaining a stable vacuum environment is essential for ensuring accurate thermal detection<\/strong>, reducing signal noise and protecting sensitive infrared sensors from contamination.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container align-items-center flip\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">How Infrared Imaging Systems Work<\/h3><p>Unlike conventional cameras, infrared imaging systems do not detect visible light.<\/p>\n<p>Instead,<strong> they detect infrared radiation emitted by objects in the form of heat<\/strong>.<\/p>\n<p>Every object with a temperature above absolute zero emits thermal radiation. Infrared detectors capture this radiation and convert it into an image where different temperatures correspond to different colors or intensity levels.<\/p>\n<p>This is why thermal imaging systems can visualize people, vehicles or animals even in low-light or night-time conditions.<\/p>\n<p>Today, infrared imaging technologies are widely used in:<\/p>\n<ul>\n<li><strong>autonomous driving systems;<\/strong><\/li>\n<li><strong>night vision devices;<\/strong><\/li>\n<li><strong>drones and robotics;<\/strong><\/li>\n<li><strong>aerospace and defense;<\/strong><\/li>\n<li><strong>industrial monitoring;<\/strong><\/li>\n<li><strong>medical diagnostics.<\/strong><\/li>\n<\/ul>\n  <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-5\">\n      \n        <video autoplay muted loop playsinline>\n          <source src=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25140624\/infrared-products-saes.mp4\" type=\"video\/mp4\">\n        <\/video><div class=\"gradien-light\"><\/div>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"headline container greyed\">\n    <div class=\"col-12\">\n    <h2 class=\"h1 title\">Cooled vs Uncooled Infrared Detectors<\/h2><p>Infrared detectors generally fall into two main categories: uncooled and cooled detectors.<\/p>\n  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n      <div class=\"col-6\">\n      <div>\n        <h2 class=\"h3 title\">Uncooled infrared detectors<\/h2><p>Uncooled detectors are typically <strong>MEMS-based devices<\/strong> designed for compactness, lower power consumption and cost efficiency.<\/p>\n<p>These systems detect temperature variations through changes in electrical resistance caused by incoming infrared radiation.<\/p>\n<p>Because <strong>they operate at ambient temperature<\/strong>, uncooled detectors are commonly used in:<\/p>\n<ul>\n<li>automotive safety systems;<\/li>\n<li>surveillance cameras;<\/li>\n<li>driver assistance technologies;<\/li>\n<li>commercial drones.<\/li>\n<\/ul>\n<p><strong>Recent advances in AI-based image processing<\/strong> are also significantly improving the performance of uncooled sensors, <strong>enabling higher-quality imaging at lower costs<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <h2 class=\"h3 title\">Cooled infrared detectors<\/h2><p>Cooled infrared detectors are designed for applications requiring <strong>extremely high sensitivity and image precision<\/strong>.<\/p>\n<p>Unlike uncooled systems, cooled detectors <strong>operate at cryogenic temperatures<\/strong> and can detect extremely small infrared signals with very high accuracy.<\/p>\n<p>These systems are typically used in:<\/p>\n<ul>\n<li>aerospace;<\/li>\n<li>satellites;<\/li>\n<li>military imaging systems;<\/li>\n<li>advanced scientific instrumentation.<\/li>\n<\/ul>\n<p>Because of their sensitivity, <strong>cooled detectors require highly stable thermal conditions and extremely efficient vacuum insulation<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"headline container\">\n    <div class=\"col-12\">\n    <h2 class=\"h1 title\">Why Vacuum Is Critical in Infrared Sensors<\/h2>  <\/div>\n<\/div>\n\n\n<div class=\"container\">\n      <div class=\"col-6\">\n      <div>\n        <p>In thermal imaging systems, the main challenge is not simply detecting heat \u2014 it is <strong>isolating the desired thermal signal from surrounding thermal noise<\/strong>.<\/p>\n<p>Without vacuum insulation, heat from the surrounding environment can interfere with the detector, reducing image quality and signal accuracy.<\/p>\n<p>Vacuum plays several critical roles inside infrared imaging devices:<\/p>\n<ul>\n<li>thermal insulation;<\/li>\n<li>reduction of thermal interference;<\/li>\n<li>improved signal precision;<\/li>\n<li>protection from oxidation and contamination;<\/li>\n<li>prevention of condensation at low temperatures.<\/li>\n<\/ul>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p>This is especially important in cooled infrared detectors operating at cryogenic temperatures, where even small amounts of moisture can condense or freeze inside the device and compromise optical performance.<\/p>\n<p>By maintaining a stable vacuum environment, <strong>infrared sensors can focus exclusively on the target thermal signal while minimizing unwanted environmental effects<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n\n<div class=\"overlay-container splash\">\n  \n    <img decoding=\"async\" src=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-1920x1080.jpg\" srcset=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-1920x1080.jpg 1920w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-300x169.jpg 300w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-1024x576.jpg 1024w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-768x432.jpg 768w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-1536x864.jpg 1536w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-618x348.jpg 618w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas-880x495.jpg 880w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/05\/25120322\/saes-getters-adsorption-gas.jpg 2000w\" alt=\"SAES Getters | saes-getters-adsorption-gas\">  <div class=\"gradient\"><\/div>\n  <\/div>\n\n\n<div class=\"headline container\">\n    <div class=\"col-12\">\n    <h2 class=\"h1 title\">The Role of Getters in Infrared Imaging Devices<\/h2>  <\/div>\n<\/div>\n\n\n<div class=\"container\">\n      <div class=\"col-6\">\n      <div>\n        <p>Because infrared detectors are highly compact sealed systems, traditional vacuum pumps cannot be integrated inside the device.<\/p>\n<p>This is where getter technologies become essential.<\/p>\n<p><strong>Getters are materials designed to maintain vacuum conditions inside sealed electronic packages by absorbing residual gases and contaminants such as oxygen, water vapor and other impurities.<\/strong><\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p>In infrared imaging applications, getters help:<\/p>\n<ul>\n<li>maintain long-term vacuum stability;<\/li>\n<li>improve thermal insulation;<\/li>\n<li>reduce contamination risks;<\/li>\n<li>support device reliability over time.<\/li>\n<\/ul>\n<p>Different getter solutions are used depending on the detector architecture.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container align-items-center flip\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">Thin-film getters for MEMS devices<\/h3><p>Compact uncooled MEMS detectors typically use <strong>thin-film getter solutions integrated directly into the package<\/strong>.<\/p>\n<p>These solutions support:<\/p>\n<ul>\n<li>miniaturization;<\/li>\n<li>wafer-level packaging;<\/li>\n<li>high-volume manufacturing.<\/li>\n<\/ul>\n  <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-3\">\n      <a href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/solution\/getter-films-page-technology\/\">\n        <img decoding=\"async\" src=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/uploads\/sites\/9\/2024\/10\/SD_PageWafer2_new-logo-1-880x616.jpg\" srcset=\"\" alt=\"SAES Getters | SD_PageWafer2_new-logo-1\"><div class=\"gradient\"><\/div>        <div class=\"text-overlay\">\n          <div class=\"d-flex justify-content-between align-items-end\">\n            <p class=\"paragraph\"><span><\/span><\/p>              <img decoding=\"async\" class=\"icon-link-arrow\" alt=\"SAES Getters | Arrow Bottom Right Icon\" src=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/themes\/saes\/inc\/assets\/images\/icon-link-arrow.svg\">\n                        <\/div>\n        <\/div>\n        <\/a>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"container align-items-center\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">Porous getters for cooled detectors<\/h3><p>High-performance cooled detectors often use<strong> larger porous getter solutions capable of absorbing greater quantities of residual gases<\/strong>.<\/p>\n<p>These technologies are particularly suitable for:<\/p>\n<ul>\n<li>cryogenic systems;<\/li>\n<li>aerospace applications;<\/li>\n<li>defense imaging systems;<\/li>\n<li>long-lifetime devices.<\/li>\n<\/ul>\n  <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-3\">\n      <a href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/solution\/non-evaporable-getters-neg\/\">\n        <img decoding=\"async\" src=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/uploads\/sites\/9\/2023\/10\/porous-getters-880x660.jpg\" srcset=\"\" alt=\"SAES Getters | porous-getters\"><div class=\"gradient\"><\/div>        <div class=\"text-overlay\">\n          <div class=\"d-flex justify-content-between align-items-end\">\n            <p class=\"paragraph\"><span><\/span><\/p>              <img decoding=\"async\" class=\"icon-link-arrow\" alt=\"SAES Getters | Arrow Bottom Right Icon\" src=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/themes\/saes\/inc\/assets\/images\/icon-link-arrow.svg\">\n                        <\/div>\n        <\/div>\n        <\/a>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"headline container greyed\">\n    <div class=\"col-12\">\n    <h2 class=\"h1 title\">Enabling the Next Generation of Infrared Imaging<\/h2>  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n      <div class=\"col-6\">\n      <div>\n        <p>As infrared imaging applications continue to expand, <strong>vacuum technologies will remain a critical enabling factor for sensor performance, stability and miniaturization<\/strong>.<\/p>\n<p>From compact MEMS thermal sensors to advanced cryogenic imaging systems, maintaining a clean and stable vacuum environment is essential for delivering reliable infrared detection in demanding environments.<\/p>\n<p><strong>Invisible to the end user \u2014 but fundamental to the technology itself.<\/strong><\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n              <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container\">\n      <div class=\"col-6\">\n      <div>\n        <h2 class=\"h3 title\">Discover SAES vacuum technologies for advanced infrared imaging applications.<\/h2>              <a class=\"btn\" href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/contact-us\/\">\n                <span class='the-arrow -left'>\n                  <span class='shaft'><\/span>\n                <\/span>\n                <span class=\"main\">\n                  <span class=\"text\">Contact us<\/span>\n      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