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| stream birefringence | |||
| stress-induced birefringence; birefringence by mechanical stress; mechanical birefringence (optical anisotropy induced by mechanical stresses superposed on a material) | |||
| strain birefringence | |||
| stress birefringence | |||
| Spannungsdoppelbrechung: 2 phrases in 1 subject |
| Optics branch of physics | 2 |