Crosstalk Analysis of a CMOS Single Membrane Thermopile Detector Array.

Area of Science:

• Thermal imaging
• Sensor characterization
• Microbolometer technology

Background:

• Thermopile-based thermal imagers are crucial for industrial and consumer applications.
• Accurate characterization of crosstalk is essential for reliable thermal imaging performance.
• Existing crosstalk measurement techniques can be complex and less reliable.

Discussion:

• A novel bi-directional electrical heating technique is introduced for thermopile crosstalk characterization.
• This method simplifies the experimental setup compared to laser-based approaches.
• The technique is applied to a novel single-chip thermopile array on a dielectric membrane.

Key Insights:

• The new technique provides a simpler and more reliable way to determine thermopile crosstalk.
• A theoretical model for crosstalk simulation shows good agreement with experimental data.
• Understanding thermal effects is improved, crucial for device optimization.

Outlook:

• The developed technique facilitates better thermal effect understanding in thermopile devices.
• This research supports the advancement of thermopile imagers in growing markets.
• Further optimization of single-chip arrays can be achieved through this characterization method.