Infrared Thermal Imaging Knowledge Ⅱ

1.Question: what are the next-generation trends in the development of infrared thermal imaging detectors?

Answer: large arrays with small pixels, multi-band detection, and high-temperature operation

2.Question: what are the most common sensitive materials used in cooled infrared detectors?.

Answer: Mercury cadmium telluride (MCT), Indium antimonide (InSb), Type II superlattice (T2SL), Quantum well infrared photodetectors (QWIPs)

3.Question: What are the four parameters SWaP-C represent in infrared thermal imaging?

Answer: Size, weight, power consumption, cost.

4.Question: What are the advantages of Type II superlattice infrared detectors?

Answer: High quantum efficiency, wide adjustable bands, good long-wave/dual-color performance.

5.Question: What is the advantage of MCT materials used in infrared detectors?

Answer: High technological maturity.

6.Question: What are the main advantages of High Operating Temperature (HOT) infrared detectors?

Answer: Reduced size, decreased weight, lower power consumption, and extended refrigerator lifespan.

7.Question: What are the advantages of quantum well infrared photodetectors?

Answer: Easy large array production, wide range of applications, good uniformity and high yield.

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