%0 Journal Article
%T Portable and wide-range solid-state transmission densitometer for quality control in film radiography
%A Aramburo Javier
%A Gonzalez Sigifredo
%A Toledo Jorge
%J Journal of Medical Physics
%D 2010
%I Medknow Publications
%X In biology, materials science, radiography quality control or film dosimetry in radiotherapy, a transmission densitometer is useful for measurements of optical density. The design proposed here is oriented to quality control in radiographic films. The instrument described here utilizes low-cost solid-state devices and is easy to construct. The use of 1-watt white light-emitting diode in this densitometer enables low power consumption and a cold light source. Moreover, the instrument does not need a reference light, which results in decreasing the number of parts and reducing the overall size of the apparatus.
%K Densitometer
%K junction temperature
%K light-emitting diode
%K optical density
%U http://www.jmp.org.in/article.asp?issn=0971-6203;year=2010;volume=35;issue=3;spage=151;epage=153;aulast=Aramburo