{"id":3236,"date":"2021-03-03T00:20:38","date_gmt":"2021-03-03T00:20:38","guid":{"rendered":"https:\/\/novanta.com\/robotics-automation\/talbot-imaging-2\/"},"modified":"2026-01-29T04:40:29","modified_gmt":"2026-01-29T04:40:29","slug":"talbot-imaging-2","status":"publish","type":"page","link":"https:\/\/novanta.com\/robotics-automation\/talbot-imaging-2\/","title":{"rendered":"Optical Encoders with Talbot Imaging"},"content":{"rendered":"\n\n\n
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Why Talbot Imaging is Used in Interferential Optical Encoders<\/h2>\n\n

Encoders are used in closed loop systems to measure the position of a load. In many applications, such as surgical robotics and satellite communication devices, high resolution, high accuracy and lower power consumption are key requirements for an encoder.<\/p>\n\n

Talbot Imaging enables high resolution and high accuracy<\/h2>\n\n

Interferential optical encoders that utilize talbot imaging allow for very high resolution and accuracy. Talbot imaging is a phenomenon that occurs when monochromatic plane waves are incident on a grating, and spherical wavefronts are created. These wavefronts then interfere to create an exact replica of the grating (same pitch and phase) at the talbot distance. The talbot image is relatively large and can be filtered to produce a pure sinusoidal wave, therefore very high resolution can be achieved while allowing for wide alignment tolerances. In addition to the resolution and accuracy, talbot imaging interferential encoders do not require additional components like filtering optics, making it a smaller package than other encoders.<\/p><\/div>\n\n

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Talbot Imaging<\/p>\n\n\n

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Optical Encoder Products<\/a><\/div>\n<\/div>\n\n
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Optical Encoder Technology<\/a><\/div>\n<\/div>\n<\/div>\n\n
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VIDEO Presentation – Optical Encoders that use Talbot Imaging<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n
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Lasers Enable Lower Power Consumption<\/h3>\n\n

Talbot Imaging based Interferential encoders utilize a laser as the light source rather than a LED. This means that the encoder has lower power consumption and runs cooler than other LED-based encoders.<\/p><\/div>\n<\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Why Talbot Imaging is Used in Interferential Optical Encoders Encoders are used in closed loop systems to measure the position of a load. In many applications, such as surgical robotics and satellite communication devices, high resolution, high accuracy and lower power consumption are key requirements for an encoder. Talbot Imaging enables high resolution and high […]<\/p>\n","protected":false},"author":85,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3236","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nOptical Encoders with Talbot Imaging | Celera Motion<\/title>\n<meta name=\"description\" content=\"Learn how our compact Optical Encoders offer unparalleled accuracy and a higher resolution in Talbot Imaging, without requiring additional components.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/novanta.com\/robotics-automation\/talbot-imaging-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optical Encoders with Talbot Imaging\" 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