Infrared Biosensor Test System under Pulsed Bias Voltage

Abstract:

Infrared biosensor has been a hot area of research for several years in infrared field. This paper proposes a method to test infrared biosensor array which is not bonding with ROIC. The presented ROIC-less infrared biosensor is encapsulated in a vacuum chip scale packaging, and we design the off-chip “ROIC” in order to read out signal of infrared biosensor. It is necessary to apply bias voltage on pixels when infrared biosensor works, we gave a simulation of infrared biosensor in pulsed bias votage mode according to the infrared biosensor heat balance equation. Based on the simulation result, we have implemented the test system for ROIC-less and small-scale infrared biosensor array. We use FPGA as main controller to readout the infrared signal and transfer the data to PC via USB interface.

• Periodical: Applied Mechanics and Materials (Volumes 411-414)
• Pages: 1539-1545
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.411-414.1539
• Online since: September 2013
• Authors: Jia Yin Zhang, Tao Dong, Kai Ying Wang, Yan Su, Yong He
• Keywords: Field-Programmable Gate Array (FPGA), Infrared Biosensor, Pulsed Bias Voltage, Thermal Equilibrium

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