Active optical thermal feedback for stabilizing cryogenic detector temperature

Active optical thermal feedback for stabilizing cryogenic detector temperature | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Active optical thermal feedback for stabilizing cryogenic detector temperature Sergey V. Uchaikin, Shamil H. Sultanov, Xiaofeng Zhou, Pavel F. Baranov, and 2 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8293419/v1 This work is licensed under a CC BY 4.0 License Status: Under Revision Version 1 posted 12 You are reading this latest preprint version Abstract Cryogenic calorimeters with superconducting phase-transition thermometers are highly sensitive particle detectors. In these systems, particle interactions in the absorber are measured via temperature changes detected by the thermometer. However, performance can degrade due to absorber temperature change, which reduce the detector’s count rate. Active thermal feedback is used for a massive detectors which characteristics are limited from heater inertia. Here, we introduce an active optical thermal feedback (OTF) mechanism that avoid using resistive heater and stabilizes the detector’s operating temperature. This stabilization is achieved through controlled heating provided by a light source, enhancing the detector’s count rate and linearity. Experimental results demonstrate that the OTF significantly reduces thermal effects. Physical sciences/Engineering Physical sciences/Physics Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Revision Version 1 posted Editorial decision: Revision requested 27 Dec, 2025 Reviews received at journal 25 Dec, 2025 Reviews received at journal 23 Dec, 2025 Reviews received at journal 18 Dec, 2025 Reviewers agreed at journal 15 Dec, 2025 Reviewers agreed at journal 15 Dec, 2025 Reviewers agreed at journal 11 Dec, 2025 Reviewers invited by journal 11 Dec, 2025 Editor invited by journal 11 Dec, 2025 Editor assigned by journal 08 Dec, 2025 Submission checks completed at journal 08 Dec, 2025 First submitted to journal 06 Dec, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-8293419","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":560817376,"identity":"51ee2864-515d-43ba-adb1-056a42480330","order_by":0,"name":"Sergey V. 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In these systems, particle interactions in the absorber are measured via temperature changes detected by the thermometer. However, performance can degrade due to absorber temperature change, which reduce the detector\u0026rsquo;s count rate. Active thermal feedback is used for a massive detectors which characteristics are limited from heater inertia. Here, we introduce an active optical thermal feedback (OTF) mechanism that avoid using resistive heater and stabilizes the detector\u0026rsquo;s operating temperature. This stabilization is achieved through controlled heating provided by a light source, enhancing the detector\u0026rsquo;s count rate and linearity. 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