Статья

Research on the response model of microbolometer

Sui Xiu-BaoSchool of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, ChinaChen QianSchool of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, ChinaGuohua GuSchool of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, ChinaNing LiuSchool of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, China

2010en

ABI

Аннотация

There are certain limitations in the application of uncooled focal plane array (FPA) detector due to the lack of an effective response model which reliably transforms the target temperature to analog output voltage. This paper establishes the response model of microbolometer through researching the detection theory of microbolometer and the heat balance equation under the condition of the pulsed voltage bias. In the establishing process, we simplified the heat balance equation to acquire a simple answer. The experimental data show that, in the temperature dynamic range of 30 K, the biggest tolerance between the model data and the experiment data is 0.2 K; while in the temperature dynamic range of 100 K, it is 1 K. This model can reflect the real response of the microbolometer with only small differences which are acceptable in engineering applications.

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Идентификаторы

DOI: 10.1088/1674-1056/19/10/108702

Цитирования и источники

Цитирований: 4Использованных источников: 0

Показатели — AkademScholar