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Scientific equipment for the Sun-Terahertz space experiment: study of the temperature effect in the Golay cell.

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Title: Scientific equipment for the Sun-Terahertz space experiment: study of the temperature effect in the Golay cell.
Authors: Philippov, Maxim V.1 (AUTHOR) mfilippov@frtk.ru, Makhmutov, Vladimir S.1 (AUTHOR), Razumeyko, Mikhail V.1 (AUTHOR)
Source: Measurement Techniques. Jun2024, Vol. 67 Issue 3, p195-202. 8p.
Subjects: Solar active regions, Submillimeter waves, Solar flares, Temperature effect, Solar temperature, Solar radiation
Abstract: The article gives a brief description of the Sun-Terahertz space experiment scheduled for 2024–2025 aboard the Russian segment of the International Space Station. This experiment is aimed at studying the Sun within the previously unexplored terahertz range, obtaining data on terahertz solar radiation, as well as studying solar active regions and solar flares. The authors consider scientific equipment being developed for the Sun-Terahertz experiment, which comprises eight detection channels that are sensitive to radiation of different frequencies within the range of 0.4–12.0 THz. Each channel includes an optical telescope, a system of series filters, an optical chopper, and a radiation receiver with an opto-acoustic detector—Golay cell. The change in the sensitivity of Golay cells with a change in their intrinsic temperature (temperature effect) was studied. By means of auxiliary equipment—a test bench comprising a single-channel mockup and a blackbody simulator—the linear section of the temperature dependence of Golay cells was determined. A procedure was developed to compensate for the temperature effect in Golay cells, and the results of piloting the procedure on the test bench were presented. The proposed procedure can be useful in the development of scientific equipment comprising Golay cells, which is expected to be used under ambient temperature fluctuations. [ABSTRACT FROM AUTHOR]
Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Scientific equipment for the Sun-Terahertz space experiment: study of the temperature effect in the Golay cell.
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  Data: <searchLink fieldCode="AR" term="%22Philippov%2C+Maxim+V%2E%22">Philippov, Maxim V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mfilippov@frtk.ru</i><br /><searchLink fieldCode="AR" term="%22Makhmutov%2C+Vladimir+S%2E%22">Makhmutov, Vladimir S.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Razumeyko%2C+Mikhail+V%2E%22">Razumeyko, Mikhail V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Measurement+Techniques%22">Measurement Techniques</searchLink>. Jun2024, Vol. 67 Issue 3, p195-202. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Solar+active+regions%22">Solar active regions</searchLink><br /><searchLink fieldCode="DE" term="%22Submillimeter+waves%22">Submillimeter waves</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+flares%22">Solar flares</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+effect%22">Temperature effect</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+temperature%22">Solar temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+radiation%22">Solar radiation</searchLink>
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  Data: The article gives a brief description of the Sun-Terahertz space experiment scheduled for 2024–2025 aboard the Russian segment of the International Space Station. This experiment is aimed at studying the Sun within the previously unexplored terahertz range, obtaining data on terahertz solar radiation, as well as studying solar active regions and solar flares. The authors consider scientific equipment being developed for the Sun-Terahertz experiment, which comprises eight detection channels that are sensitive to radiation of different frequencies within the range of 0.4–12.0 THz. Each channel includes an optical telescope, a system of series filters, an optical chopper, and a radiation receiver with an opto-acoustic detector—Golay cell. The change in the sensitivity of Golay cells with a change in their intrinsic temperature (temperature effect) was studied. By means of auxiliary equipment—a test bench comprising a single-channel mockup and a blackbody simulator—the linear section of the temperature dependence of Golay cells was determined. A procedure was developed to compensate for the temperature effect in Golay cells, and the results of piloting the procedure on the test bench were presented. The proposed procedure can be useful in the development of scientific equipment comprising Golay cells, which is expected to be used under ambient temperature fluctuations. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11018-024-02335-9
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        Text: English
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      – SubjectFull: Solar active regions
        Type: general
      – SubjectFull: Submillimeter waves
        Type: general
      – SubjectFull: Solar flares
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      – SubjectFull: Temperature effect
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      – SubjectFull: Solar temperature
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      – TitleFull: Scientific equipment for the Sun-Terahertz space experiment: study of the temperature effect in the Golay cell.
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              Text: Jun2024
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