研究目的
Investigating the accuracy of a measurement method for the chromaticity and photometric quantity of laser displays using centroid wavelengths compared to the method using peak wavelengths.
研究成果
Centroid wavelength provides more accurate measurements of chromaticity and photometric quantity for laser displays compared to peak wavelength, especially when laser spectra are distorted.
研究不足
The study focuses on RGB lasers and may not cover all types of laser displays. The distortion of laser spectra is a key factor in the accuracy of measurements, which may vary with different laser technologies.
1：Experimental Design and Method Selection:
The study compared the accuracy of chromaticity and photometric quantity measurements using centroid wavelengths versus peak wavelengths through numerical analysis and actual experiments.
2：Sample Selection and Data Sources:
RGB lasers with varying wavelengths and spectrum widths were used.
3：List of Experimental Equipment and Materials:
High-accuracy optical spectrum analyzer AQ-6315A was used for measurements.
4：Experimental Procedures and Operational Workflow:
The chromaticity and photometric quantity were calculated using both centroid and peak wavelengths, and their differences from reference values were analyzed.
5：Data Analysis Methods:
The differences in chromaticity and photometric quantity measurements using the two methods were compared to determine accuracy.
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