Photoelastic stress, Photo 1 of 2. Photoelastic stress in a plastic Petri dish is observed by placing it between co-aligned (Photo 1) and crossed (Photo 2) linear polarizers. Built-in stress causes optical birefingence which is revealed as colored bands when illuminated by white light. Photo 1 of 2.
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Creative#:
TOP22295025
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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