High Electrical Frequency Infrared Detector.
Abstract
A thin-film single-crystal infrared detector exhibiting an increased frequency of response. A closed transverse junction, formed by diffusing a central electrode of an impurity rich metal into a lead-salt film epitaxially grown on an insulating substrate, provides an effective optical area in excess of the junction surface. An ohmic contact is spaced apart from the central electrode. Junction capacitance, a limitation upon the electrical response, is diminished by the detector geometry while detectivity is enhanced. In an alternative embodiment the detector may be segmented to provide directional detection. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 28, 1979
- Accession Number
- ADD005852
Entities
People
- Richard Schoolar
Organizations
- United States Department of the Navy