Accession Number : AD0427033

Title :   INVESTIGATE THE PROPERTIES OF GLASSES TRANSMITTING IN THE 3 TO 5 AND 8 TO 14 MICRON WINDOWS.

Descriptive Note : Semi-annual technical summary rept., 1 Jun 63-30 Nov 63,

Corporate Author : SERVO CORP OF AMERICA HICKSVILLE NY

Personal Author(s) : Jergen, J., Jr.

Report Date : 31 DEC 1963

Pagination or Media Count : 44

Abstract : Part I includes measurement of the optical, chemical and thermo-mechanical properties of 20 glasses selected from the Servo Corporation proprietary composition field As-S-Se-Te having good transmission to 12 or 13 microns and softening points in excess of 100 C. Part II is an investigation of the long wavelength absorption characteristics of As-Se-Te glasses as affected by formulation parameters including composition, thermal history, impurity levels, melting procedures, etc. Initial work has been concentrated on the sharp absorption band centered at about 12.8 microns. (Author)

Descriptors :   (*OPTICAL GLASS, LIGHT TRANSMISSION), (*INFRARED OPTICAL MATERIALS, OPTICAL GLASS), (*INFRARED WINDOWS, OPTICAL GLASS), OPTICAL PROPERTIES, CHEMICAL PROPERTIES, PHYSICAL PROPERTIES, ARSENIC, SELENIUM, TELLURIUM, SULFUR, REFRACTOMETERS, ARSENIC COMPOUNDS, SELENIUM COMPOUNDS, TELLURIUM COMPOUNDS, OXIDES, MELTING, GLASS.

Distribution Statement : APPROVED FOR PUBLIC RELEASE