Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.121214
Title: Determination of thermal parameters of microbolometers using a single electrical measurement
Authors: Gu, X.
Karunasiri, G. 
Chen, G. 
Sridhar, U.
Xu, B.
Issue Date: 1998
Source: Gu, X., Karunasiri, G., Chen, G., Sridhar, U., Xu, B. (1998). Determination of thermal parameters of microbolometers using a single electrical measurement. Applied Physics Letters 72 (15) : 1881-1883. ScholarBank@NUS Repository. https://doi.org/10.1063/1.121214
Abstract: Accurate determination of thermal parameters of microbolometer-based sensors is of considerable interest for many applications. The most important parameters are thermal time constant, heat capacitance and thermal conductance. In this work, we have developed a technique to measure all three quantities using a single electrical measurement. The method involves the measurement of time dependent output voltage of a balanced Wheatstone bridge containing a microbolometer under pulse bias condition. The validity of the approach is verified experimentally using metal-film microbolometers. The experimental results are in excellent agreement with the theoretical analysis of the measurement technique.© 1998 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/62029
ISSN: 00036951
DOI: 10.1063/1.121214
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