{"id":14210,"date":"2024-01-03T11:00:06","date_gmt":"2024-01-03T11:00:06","guid":{"rendered":"https:\/\/blog.ophiropt.com\/?p=13432"},"modified":"2026-03-25T14:21:43","modified_gmt":"2026-03-25T14:21:43","slug":"choosing-the-correct-laser-beam-characterization-system-for-your-additive-manufacturing-chamber","status":"publish","type":"post","link":"https:\/\/www.ophiropt.com\/blog\/choosing-the-correct-laser-beam-characterization-system-for-your-additive-manufacturing-chamber\/","title":{"rendered":"Choosing the Correct Laser Beam Characterization System for Your Additive Manufacturing Chamber"},"content":{"rendered":"\n

Today, additive manufacturing (AM)<\/a> is being used on industrial scales and not only to print prototypes, so the quality of the produced parts and the repeatability of the process are now crucial.<\/p>\n\n\n\n

A key factor in the quality of the finished AM product is\nthe condition of the laser and optical components used. To ensure proper\noperation, to optimize the system performance, and to prevent potential quality\nproblems, the laser together with the optical system require periodical\nmonitoring, especially in an industrial environment.<\/p>\n\n\n\n

Among the most common malfunctions are laser power\ndegradation, profile distortion due to contamination of optical components, and\nthermal lensing, which causes focal shift and focal spot enlargement.<\/p>\n\n\n\n

All those issues can inhibit fusion between the powder\nparticles, resulting in inferior product quality and diminished reproducibility.<\/p>\n\n\n\n

Ophir offers two instruments specifically designed for AM chambers:<\/p>\n\n\n\n

    \n
  1. BeamWatch\u00ae AM<\/a><\/strong> provides contactless, real-time characterization of the entire beam propagation, based on Rayleigh scattering.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/li>\n\n\n\n
  2. The power measurement is performed via an integrated, fan-cooled thermal sensor. The fan operates only after the BeamWatch AM is extracted from the chamber to avoid blowing the metallic powders around.
    <\/li>\n\n\n\n
  3. The BeamPeek™<\/strong><\/a> utilizes a classical method of beam profiling along with a caustic measurement that is performed by moving the build plane within the AM chamber, and the laser power is measured via an integrated thermal sensor.

    The specially patented beam dump requires no active cooling and is exchangeable.<\/li>\n<\/ol>\n\n\n\n
    \n
    \"\"<\/figure>\n<\/figure>\n\n\n\n


    Comparison table between the BeamPeek and the BeamWatch AM:<\/h4>\n\n\n\n
    \"\"<\/figure>\n\n\n\n


    So, what\u2019s the ideal beam characterization instrument for your AM chamber?<\/h4>\n\n\n\n

    Whether the BeamWatch AM<\/a> or the BeamPeek is for you depends on the analytical approach and the application.<\/p>\n\n\n\n

    The BeamWatch AM<\/a> measures the entire beam caustic at once, from the side, while the BeamPeek requires manual movement of the build plane to perform an accurate caustic measurement slice-by-slice.<\/p>\n\n\n\n

    That means if overall,\nsimultaneous characterization of the beam and real-time focal shift monitoring\nare what your application requires, the BeamWatch AM would be a better fit,\nwhile for more accurate measurements at different cross-sections of beam\npropagation, the BeamPeek is the preferred choice.<\/p>\n\n\n\n

    Additionally, The BeamWatch AM <\/a>requires compressed air\/gas purging, both for its operation and to protect it against metallic powder particles, while the BeamPeek needs no compressed air and its passive beam dump can be swapped out, shortening the time intervals between measurements.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Today, additive manufacturing (AM) is being used on industrial scales and not only to print prototypes, so the quality of […]<\/p>\n","protected":false},"author":16,"featured_media":14349,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[319,321,3],"tags":[394,19],"ophirposttype":[349],"class_list":["post-14210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-additive-manufacturing-en","category-industrial-applications","category-laser-beam-analysis","tag-beampeek","tag-beamwatch","ophirposttype-blogpost-en"],"yoast_head":"\nChoosing the Correct Laser Beam Characterization System for Your Additive Manufacturing Chamber - 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