Instrumentation for Spatially Resolved Measurements of Optical Emission from Fluorescent Materials

Open Access
Author:
Miller, Amy E
Area of Honors:
Engineering Science
Degree:
Bachelor of Science
Document Type:
Thesis
Thesis Supervisors:
  • Akhlesh Lakhtakia, Thesis Supervisor
  • Clifford Jesse Lissenden Iii, Honors Advisor
  • Judith A Todd, Faculty Reader
Keywords:
  • alq3
  • fluorescence
  • angular emission
  • non-planar substrates
Abstract:
In an effort to better understand how materials absorb light (information which is extremely useful for applications such as photovoltaic substrate design), this thesis project focuses on designing and building an instrument to measure how substrates coated with certain materials emit light. The substrates studied are to be coated with a fluorescent thin film of Alq3 to provide light emission from the material surface. One non-planar substrate of particular interest is the cornea of a blow-fly, which is expected to have emission over a wide angular range. The components of the optical instrument consist of a femtowatt photodetector, two conjoined rotating stages to allow for light measurements as a function of solid angle, optical filters, and a UV LED to excite the fluorescent material.