CERAMIC VACUUM ULTRAVIOLET ION CHAMBERS
Abstract
A NEW CERAMIC ION CHAMBER FOR MAKING VACUUM ULTRAVIOLET RADIATION MEASUREMENTS IN THE LABORATORY AND OUTSIDE THE EARTH'S ATMOSPH RE HAS BEEN VELOPED. This detector has excellent electrical insulating properties and a hig work function. It is practically imperviable to the toxic effect of gases. n improved windowsealing technique aids in prolonging its life span. A ETAIL E CRIPTION OF THE FABRICATION, GAS FILLING, AND SEALING TECHNIQUE IS PRES NTED. The ion chamber calibration procedure is briefly outlined. The usefulne s of the chamber in the 1050-1500A spectral region is noteworthy because the detector can be made to operate over a relatively narrow bandpass with a sharp cutoff (rejection of photons) on either side of the selected wavelength region. Other useful properties include the high quantum yield, the extremely low noise level, nd the capability to serve as a gas-gain multiplier. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1962
- Accession Number
- AD0273256
Entities
People
- Alfred K. Stober
Organizations
- National Aeronautics and Space Administration