Investigations Of Bonded, And Curved Microchannel Plate Stacks

O.H. W Siegmund

doi:10.1117/12.948707

21 December 1988 Investigations Of Bonded, And Curved Microchannel Plate Stacks

O.H. W Siegmund

Proceedings Volume 0982, X-Ray Instrumentation in Astronomy II; (1988) https://doi.org/10.1117/12.948707
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

Microchannel plate (MCP) stacks have proven very useful for imaging detectors in X-ray and UV astronomy 1,2. However, the back to back stack configuration of flat MCP's which we often use is not optimal for some applications. Firstly, there are variations in the performance (gain and pulse height distribution) of these stacks due to warpage of the individual MCP's. Secondly, for grazing incidence optics with a curved focal plane, a curved detector is often desirable. We have studied two MCP developments, bonded MCP stacks, and stacks of MCP's with curved surfaces to determine if we can achieve the MCP requirements for future astrophysical detectors. Our experiments show that both configurations studied give superior MCP performance characteristics. However, there seem to be some problems with the fabrication of bonded MCP stacks resulting in poor flat field characteristics and increased background.

Citation Download Citation

O.H. W Siegmund "Investigations Of Bonded, And Curved Microchannel Plate Stacks", Proc. SPIE 0982, X-Ray Instrumentation in Astronomy II, (21 December 1988); https://doi.org/10.1117/12.948707

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