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Determination of polarization in optical instruments and its metrological implications
Applied Optics
|February 6, 2010
Summary
This study summarizes work on polarization issues impacting photometric and radiometric measurements. Instrumental polarization causes unpredictable variations in light, affecting material characterization.
Area of Science:
- Optics and Photonics
- Materials Science
- Metrology
Background:
- The International Commission on Illumination (CIE) Technical Committee on Photometric and Radiometric Characteristics of Materials (TC-2.3) addresses polarization.
- Instrumental polarization is a significant factor affecting accurate light measurements.
Purpose of the Study:
- To summarize recent work on polarization phenomena relevant to material characterization.
- To highlight the impact of instrumental polarization on photometric and radiometric measurements.
Main Methods:
- Summary of findings presented at the CIE TC-2.3 meeting in London, July 1973.
- Focus on instrumental polarization effects.
Main Results:
- Instrumental polarization introduces unpredictable variations in transmitted, reflected, absorbed, and emitted light.
- These variations are dependent on sample properties and measurement setups.
Conclusions:
- Understanding and mitigating instrumental polarization is crucial for accurate material characterization.
- Further research within CIE TC-2.3 is needed to address these polarization challenges.
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