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Accession Number:
AD0641674
Title:
ULTRAVIOLET GENERATOR STUDY.
Corporate Author:
ITT INDUSTRIAL LABS FORT WAYNE IND
Report Date:
1966-09-01
Abstract:
UV emitting cathodoluminescent phosphors were prepared and evaluated for emission wavelength, output power at high input power levels, aging characteristics, and decay time. Host materials studied were the zinc magnesium sulfide and several oxygen-dominated systems. A commercial P-16 phosphor was used as a standard against which the experimental samples were compated. Several lead-activated silicates were found to be superior to P-16 with respect to output power capability and aging characteristics. Ca3Si2O7Pb with peak emission at 380 nm has output power at high input power equal to that of P-16 and equivalent or better aging characteristics. BaSi2O5Pb with peak emission at 355 nm and BaZnSi4O10Pb with peak emission at 305 nm have exhibited output power 25-50 higher than P-16 with superior aging characteristics. All of these materials have decay times to the 1e level of 0.2-0.3 microsec which is about four times that of P-16. Author
Descriptive Note:
Final rept. 1 Jul 65-30 Jun 66,
Pages:
0071
Contract Number:
AF 30(602)-3879
File Size:
0.00MB
