Ultraviolet Sensing Technology Developments at ITT

C. B. Johnson; D. H. Ceckowski; R. F. Floryan

doi:10.1117/12.936554

10 December 1986 Ultraviolet Sensing Technology Developments at ITT

C. B. Johnson, D. H. Ceckowski, R. F. Floryan

Proceedings Volume 0687, Ultraviolet Technology; (1986) https://doi.org/10.1117/12.936554
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

A photon-counting microchannel plate (MCP) photomultiplier tube (PMT) has been developed having a 28 mm active optical input diameter and ultraviolet solar-blind sensitivity. Its quantum yield is high in the uv, eg 10% at 250 nm, while the unwanted long wavelength response is greatly reduced, eg only 1.7E-6% at 600 nm. By using MCPs, this new PMT is one of the smallest to be developed to date for uv solar-blind applications. A potted assembly containing this tube and a high-voltage power supply is only 16 mm long, it has an outside diameter of 52 mm, and its mass is only 50 g. Prototype units have passed MIL-E-5400 environmental tests for class-1B equipment. Several other types of uv optical detectors are discussed which allow sub-nanosecond events to be recorded, which detect the arrival rates and locations of single photons within a 25 mm active diameter, and which have increased quantum efficiency in the far uv.

Citation Download Citation

C. B. Johnson, D. H. Ceckowski, and R. F. Floryan "Ultraviolet Sensing Technology Developments at ITT", Proc. SPIE 0687, Ultraviolet Technology, (10 December 1986); https://doi.org/10.1117/12.936554

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