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Batch-0027-020: Optical Path Length Variability and Ritual Light Refraction in Venetian Carnevale Mask Polishing

批次0027-020：光程长度变异性与威尼斯狂欢节面具抛光仪式中的光线折射

Batch-0027-020: Optical Path Length Variability and Ritual Light Refraction in Venetian Carnevale Mask Polishing

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  1. Venetian mask artisans polish papier-mâché surfaces using hand-rubbed linseed oil until optical path length variability drops below ±0.8 μm across visible spectrum wavelengths.

  2. This threshold ensures refractive index uniformity required for carnival torchlight to project consistent spectral dispersion during nighttime canal processions.

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