Sumith V Bandara

Title: Innovations of Sumith V Bandara in Infrared Detection Technology.

Introduction

Sumith V Bandara is an accomplished inventor based in Fairfax Station, VA (US). He has made significant contributions to the field of infrared detection technology. His work focuses on enhancing the performance and efficiency of infrared detectors, which are crucial in various applications.

Latest Patents

Sumith V Bandara holds a patent for an innovative AlSb lattice matched barrier infrared detector designed to improve quantum efficiency and process yield. This patent describes an architecture that utilizes an AlSb binary barrier layer, enabling the implementation of strain layer superlattice absorbers with higher absorption coefficients. The design presents a simplified structure for epitaxial growth and allows the use of bulk InAsSb absorber material with a 5.0 µm cutoff for both single and dual color devices. The infrared detector is formed by growing the detector material, which includes a bottom contact, an absorber layer, an AlSb barrier, an optional graded layer, a second absorber layer, and a top contact, all on top of an AlSb lattice matched buffer layer. This innovative approach facilitates the deposition of unstrained bulk InAsSb with a 5.0 µm cutoff, as well as InAs/InAsSb superlattice absorbers with a continuously tunable cutoff from mid-wavelength to long-wavelength infrared.

Career Highlights

Sumith V Bandara is currently employed by the US Government as represented by the Secretary of the Army. His work in this capacity has allowed him to contribute to advancements in military and defense technologies, particularly in the area of infrared detection.

Collaborations

One of his notable collaborators is Neil F Baril, with whom he has worked on various projects related to infrared detection technology.

Conclusion

Sumith V Bandara's innovative contributions to infrared detection technology demonstrate his expertise and commitment to advancing this critical field. His patent for the AlSb lattice matched barrier infrared detector highlights his ability to improve quantum efficiency and process yield, making significant strides in the industry.