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Updated: Jul 29, 2026
Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications
Published on: June 2, 2017
Directional and angle-resolved optical scattering of high-performance translucent polymer sheets for energy-efficient
Jacob C Jonsson1, Geoffrey B Smith, Christine Deller
1Department of Engineering Sciences, Uppsala University, P.O. Box 534, SE-751 21 Uppsala, Sweden. jacob.jonsson@angstrom.uu.se
Transparent refractive-index matched micro (TRIMM) particles effectively scatter light in translucent sheets. Angle-dependent measurements and simulations confirm their utility for daylighting and validating optical models.
Area of Science:
- Materials Science
- Optics
- Building Science
Background:
- Transparent refractive-index matched micro (TRIMM) particles are effective scattering components for translucent sheets.
- Understanding light interaction with these sheets is crucial for applications like daylighting.
Purpose of the Study:
- To measure hemispheric transmittance and reflectance versus angle of incidence.
- To conduct angle-resolved studies of translucent sheets.
- To validate optical modeling tools for scattering phenomena.
Main Methods:
- Hemispheric transmittance and reflectance measurements at varying angles of incidence.
- Angle-resolved scattering measurements.
- Ray-tracing simulations utilizing Mie scattering theory for TRIMM particles.
Main Results:
- Hemispheric optical properties were measured as a function of incidence angle.
- Angle-resolved scattering data were obtained for validation.
- Ray-tracing simulations closely matched experimental angle-resolved measurements.
Conclusions:
- The simulation method based on Mie scattering is reliable for TRIMM particles.
- This validated method can be used to design new scattering profiles by adjusting particle concentration or refractive index.
- TRIMM particles are suitable for advanced daylighting and building simulation applications.
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