Estimation and experimental modeling of absolute measuring instrument based on composite HTS bolometer with electrical-substitution for soft X-ray synchrotron radiation

Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004. Pub Date : 2004-01-01 DOI:10.1109/ICIMW.2004.1422242

I. A. Khrebtov, A. Tkachenko, K. V. Ivanov, D. A. Khokhlov, A. Nikolenko, V. Pindyurin, S. Karmanenko, O. Pakhomov, S. A. Larionov

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Abstract

Preliminary results of estimation and experimental modeling of separate of an absolute measuring instrument based on composite high-Tc superconducting (HTS) bolometer with electrical-substitution for soft X-ray synchrotron radiation (SR) in the range of 100-2500 eV are reported. For the estimation influence of absorbed-radiation on the temperature distribution on bolometer elements has been developed. The calculated percentage of losses of radiant energy depend on the energy of photons. Calculation and experimental modeling of the operation of HTS bolometer as a test sample with electronic negative electrothermal feedback was carried out to estimate the possibility of the decrease of time constant. The results of noise research of YBaCuO films on various substrates are reported. The estimations showed the possibility to design a standard detector with operating temperature near 80 K for measurements of X-ray power near 1 /spl mu/W with an accuracy of <1%.

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基于电替代复合高温热释热计的软x射线同步辐射绝对测量仪器估算与实验建模

报道了100- 2500ev软x射线同步辐射电替代复合高tc超导热辐射计(HTS)绝对测量仪分离估计和实验建模的初步结果。为了估算吸收辐射对测热计元件温度分布的影响，研究了吸收辐射对测热计元件温度分布的影响。辐射能量损失的计算百分比取决于光子的能量。以高温热通量计作为测试样品，采用电子负电热反馈进行了运行计算和实验建模，以估计时间常数降低的可能性。报道了YBaCuO薄膜在不同衬底上的噪声研究结果。这些估计表明，可以设计一个工作温度接近80 K的标准探测器，用于测量接近1 /spl mu/W的x射线功率，精度<1%。

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Infrared and Millimeter Waves, Conference Digest of the 2004 Joint 29th International Conference on 2004 and 12th International Conference on Terahertz Electronics, 2004.

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