High-resolution image intensifier development: preliminary results

James Castracane; Lawrence P. Clow Jr.; Lieuwe B. Boskma

doi:10.1117/12.204833

14 March 1995 High-resolution image intensifier development: preliminary results

James Castracane, Lawrence P. Clow Jr., Lieuwe B. Boskma

Proceedings Volume 2416, Cameras and Systems for Electronic Photography and Scientific Imaging; (1995) https://doi.org/10.1117/12.204833
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

Abstract

The steady development of megapixel detector arrays with decreasing pixel size has improved the performance of present imaging systems. These high spatial resolution detectors have been incorporated into a variety of scientific experiments. The sensitivity of the diode arrays has allowed significant progress in instrumentation development and application. However, full application of these detectors to low light level measurements has been hampered by the lack of image intensifiers which can fully exploit the available spatial resolution of the diode arrays. Current architecture of image intensifiers allows significant room for improvement. We involved in a project to design, develop and characterize an 18 mm GEN II image intensifier with improved spatial resolution. Recent advances in microchannel plate production and fiber optic architecture have been exploited to produce a series of image intensifiers. A production run of a series of tubes with reduced cathode to MCP spacing, reduced microchannel diameter and pitch, reduced MCP to phosphor screen spacing and an integral fiber optic taper has been carried out. This intensifier output will be visually examined and coupled to a megapixel array for digital characterization. The goal is to produce a significantly higher limiting spatial resolution to allow for improved measurements in scientific, commercial and military applications. First results from this production run will be discussed and compared to physical performance models.

Citation Download Citation

James Castracane, Lawrence P. Clow Jr., and Lieuwe B. Boskma "High-resolution image intensifier development: preliminary results", Proc. SPIE 2416, Cameras and Systems for Electronic Photography and Scientific Imaging, (14 March 1995); https://doi.org/10.1117/12.204833

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