HgCdTe is the material of choice for second-generation tactical IR systems. It offers the highest performance at the highest operating temperature of any materials system currently available, and it is easily adapted to advanced third-generation system concepts. Numerous treatises have been written on the growth and materials properties of HgCdTe. We will not attempt to repeat them here. In this chapter, we will concentrate on the properties of HgCdTe that are relevant to the design and fabrication of high-quality HgCdTe FPAs.
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