High Resolution Multispectral Linear Focal Plane Using An Area Image Sensor

Robert A. Sprague; William D. Turner

doi:10.1117/12.959305

18 February 1981 High Resolution Multispectral Linear Focal Plane Using An Area Image Sensor

Robert A. Sprague, William D. Turner

Proceedings Volume 0244, Mosaic Focal Plane Methodologies I; (1981) https://doi.org/10.1117/12.959305
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

A technique for building a high resolution linear focal plane using a single low resolution area detector array is described. A silicon area imager is fabricated with an opaque light shield layer having small clear apertures located over the detector elements which define the picture elements. By displacing the apertures sideways from one row of detectors to the next and using the array in conjunction with a multiline data buffer, a line scan resolution equal to the total number of detector elements in the area array is achieved. The design considerations and tradeoffs involved in using such a technique will be discussed. A practical realization of such a system will be shown which uses an array built with a 4 x 1024 element configuration to achieve 4096 resolution elements per line. Multispectral capability is achieved by using 4 such arrays fabricated on the same device with spectral filtering provided by patterned interference filters on the cover slip. Array output and results of device characterization will be shown.

Citation Download Citation

Robert A. Sprague and William D. Turner "High Resolution Multispectral Linear Focal Plane Using An Area Image Sensor", Proc. SPIE 0244, Mosaic Focal Plane Methodologies I, (18 February 1981); https://doi.org/10.1117/12.959305

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