Accession Number:

ADD012619

Title:

Method for Measuring Haze in Transparencies.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s):

Report Date:

1986-11-18

Pagination or Media Count:

10.0

Abstract:

A method of measuring haze in a transparency includes the steps of illuminating a transparency to be measured from one side using a semi-collimated light source disposed in a predetermined angular relationship to the transparency measuring the illumination E falling on a surface of the transparency from the one side thereof, then along a predetermined line of measurement through the transparency using a photometer to measure the veiling luminance L within the transparency from another side of the transparency opposite to the one side thereof, and finally, calculating the haze index of the transparency by solving H sub i LE.

Subject Categories:

  • Optical Detection and Detectors
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE