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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 21 — Jul. 20, 2014
  • pp: 4795–4803

Camera-based angular resolved spectroscopy system for spatial measurements of scattered light

Marko Jošt, Janez Krč, and Marko Topič  »View Author Affiliations


Applied Optics, Vol. 53, Issue 21, pp. 4795-4803 (2014)
http://dx.doi.org/10.1364/AO.53.004795


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Abstract

We present a system for the measurement of the three-dimensional (3D) angular distribution function (ADF) of scattered or emitted light using a digital camera. The 3D ADF can be determined from the digital image captured from a reflective flat screen. With the developed camera-based system we can quantify the transmitted light scattered by textured samples or the light emitted from light sources in a few second’s time. In the paper, the setup of the camera-based system is presented, the main transformations of the acquired digital image to obtain the 3D ADF are explained, and sensitivity issues are discussed. The system is applied to and validated on randomly nanotextured transparent samples and a calibrated light emitting device. Good matching is obtained with the measurements carried out with a conventional goniometric angular resolved scattering system.

© 2014 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(290.5820) Scattering : Scattering measurements

ToC Category:
Scattering

History
Original Manuscript: February 27, 2014
Revised Manuscript: June 9, 2014
Manuscript Accepted: June 21, 2014
Published: July 18, 2014

Virtual Issues
Vol. 9, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Marko Jošt, Janez Krč, and Marko Topič, "Camera-based angular resolved spectroscopy system for spatial measurements of scattered light," Appl. Opt. 53, 4795-4803 (2014)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-21-4795

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