The present invention relates to instruments used to analyze materials with light-absorbing properties and their methods of use. More specifically, the invention relates to the use of adjustable optical filters whereby light-absorption can be measured in more detail and with greater variables than what is currently known in the art.
Kaltenbacher, Eric; Byrne, Robert H.; and Fries, David P., "Variable exposure rotary spectrometer and method of use" (2009). USF Patents. 558.
University of South Florida