This monograph deals with the physics and technology of infrared detectors with special focus on defence applications. New material technologies like MBE, laser ablation, and MOCVD used to fabricate detector structures are also discussed. Special subsystems such as cooling devices, which are an integral part of infrared sensor, are explained. The monograph also gives an account of promising new material structure for IR detection which will be useful for higher-level students and researchers.

About the authors

AK Sreedhar

            Dr AK Sreedhar is an Emeritus Scientist and headed Solid State Physics Laboratory, Delhi in the capacity of Director. He has also worked at various institutes of international repute around the world like CSIRO, Sydney, Australia; Department of Physics, Ohio State University, USA; Academy of Sciences, USSR. He has been actively engaged in research and development of semiconductor materials and device technology for over 30 years, especially with regard to applications to infrared detectors and microwave solid state devices. After retirement from DRDO he joined Indian Institute of Science and compiled all his knowledge to bring  this monograph.

KSR Koteswara Rao

Dr KSR Koteswara Rao is Principal Research Scientist at Department of Physics, Indian Institute of Science, Bangalore. His areas of specialisation are semiconductor materials and characterisation, semiconductor material with current-voltage, semiconductor characterisation hall effect, photoconductivity, diffusion, oxidation, annealing and chemical processing, growth of Gallium Antimonide by liquid phase epitaxy, etc. He has developed two instruments 'defect mapping system for semiconductor characterisation' and a desktop 'low speed saw'. He has authored many journal articles, and reports.