THE INFLUENCE OF THE COUPLING FLUIDS AND OF THE PYROELECTRIC TRANSDUCER ON LOW-TEMPERATURE PHOTOPYROELECTRIC STUDIES

被引：9

作者：

MARINELLI, M

MERCURI, F

ZAMMIT, U

PIZZOFERRATO, R

机构：

[1] Dipartimento di Ingegneria Meccanica, 2 Università di Roma 'Tor Vergata', Roma, I-00173, Via E. Carnevale

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1991年 / 52卷 / 02期

关键词：

D O I：

10.1007/BF00323726

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermal diffusivity of various compounds used as coupling fluids in photopyroelectric experiments have been measured at room temperature and at 80 K. Measurements on high vacuum silicone grease have also been performed as a function of temperature and an increase in the thermal diffusivity values with decreasing temperature has been found. Two phase transitions in the LiTaO3 pyroelectric transducer have been observed at 200 and 225 K.

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收藏

页码：115 / 118

页数：4

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