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birefringence Definition

bi·re·frin·gence (bī′ri frinjəns)

noun

the splitting of a light ray, generally by a crystal, into two components that travel at different velocities and are polarized at right angles to each other

Etymology: bi- + refringent

birefringence Related Forms
bi′·re·frin·gent adjective
birefringence Usage Examples

Converse of object

  • induce: In this experiment we investigate photoelasticity, the phenomenon of inducing birefringence in a substance through the application of a stress system.
  • exhibit: Bone in packing and floor materials derived from natural sediments is often uncharred and exhibits pale birefringence and signs of weathering.
  • show: Figure 4. Synovial fluid CPPD crystals ( compensated polarized light microscopy x400 ); scant numbers of rhomboid crystals showing weak positive birefringence.
  • include: Techniques For Plastics Current methods for detecting residual stress in plastic moldings include birefringence, layer removal, hole drilling and chemical probe techniques.

Adjective modifier

  • optical: The self-alignment of crystallites manifests itself as patterns of optical birefringence when the liquids are viewed between crossed polars.
  • positive: Figure 2. Evolution of positive birefringence in the maturing Drosophila larva.
  • corneal: However, it is anticipated that improved compensation for corneal birefringence will result in an improved discriminating ability.
  • weak: Figure 4. Synovial fluid CPPD crystals ( compensated polarized light microscopy x400 ); scant numbers of rhomboid crystals showing weak positive birefringence.

Modifies a noun

  • pattern: The image shows quantified total stress contours superimposed on stress birefringence pattern developed during the coextrusion flow of LDPE melts.
  • fringe: The cylindrical lenses were tested by measuring the birefringence fringes of the liquid crystal.

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