Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light. These...
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Polarization (waves) (section Birefringence)
affect the polarization of light, but some materials—those that exhibit birefringence, dichroism, or optical activity—affect light differently depending on...
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In biochemistry, flow birefringence is a hydrodynamic technique for measuring the rotational diffusion constants (or, equivalently, the rotational drag...
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Optical rotation (redirect from Circular birefringence)
Optical rotation, also known as polarization rotation or circular birefringence, is the rotation of the orientation of the plane of polarization about...
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Photoelasticity (redirect from Stress induced birefringence)
physicist David Brewster, who immediately recognized it as stress-induced birefringence. That diagnosis was confirmed in a direct refraction experiment by Augustin-Jean...
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Retinal birefringence scanning (RBS) is a method for detecting the central fixation of the eye. The method can be used in pediatric ophthalmology for...
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property is termed giant birefringence which more generically is called giant optical anisotropy. Values for giant birefringence exceed 0.3. Much bigger...
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Retrieved 2022-11-18. Cotton, Aimé; Mouton, Henri (1905-08-07). "Sur la biréfringence magnétique. Nouveaux liquides actifs". Comptes rendus hebdomadaires...
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RX J1856.5−3754 (section Vacuum birefringence)
the Very Large Telescope reported observational indications of vacuum birefringence from RX J1856.5−3754. A degree of polarization of about 16% was measured...
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Euler–Heisenberg Lagrangian (redirect from Vacuum birefringence)
first study of IXPE has hinted the possibility of vacuum birefringence on 4U 0142+61. Birefringence Circular dichroism Chiral magnetic effect Schwinger limit...
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be done carefully to make the disc as flat as possible to avoid both birefringence and "disc tilt", which is when the disc is not perfectly flat, preventing...
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in a change in the birefringence, and not simply the refractive index of the medium. In a Kerr cell, the change in birefringence is proportional to the...
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Sri Lanka display only weak or no birefringence at all, and some other Sri Lanka stones may show clear birefringence in one place and little or none in...
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The Kramers–Kronig relations, sometimes abbreviated as KK relations, are bidirectional mathematical relations, connecting the real and imaginary parts...
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Adamantine Optical properties Isotropic Refractive index 2.418 (at 500 nm) Birefringence None Pleochroism None Dispersion 0.044 Melting point Pressure dependent...
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X‑ray birefringence imaging (XBI) can be considered the X‑ray analogue of the polarizing optical microscope. XBI uses linearly polarized X-rays with an...
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properties Uniaxial (+) Refractive index nω = 1.543–1.545 nε = 1.552–1.554 Birefringence +0.009 (B-G interval) Pleochroism None Melting point 1670 °C (β tridymite);...
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Refractive index (section Birefringence)
direction of the light. This is called birefringence or optical anisotropy. In the simplest form, uniaxial birefringence, there is only one special direction...
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30 W·m−1·K−1 Refractive index (nD) nω = 1.768–1.772 nε = 1.760–1.763 Birefringence 0.008 Structure Crystal structure Trigonal, hR30 Space group R3c (No...
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microscopy, they have a needle-like morphology and strong negative birefringence. This test is difficult to perform and requires a trained observer....
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properties Uniaxial (−) Refractive index nω = 1.564–1.595, nε = 1.568–1.602 Birefringence δ = 0.0040–0.0070 Ultraviolet fluorescence None (some fracture-filling...
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properties Uniaxial/− Refractive index nω=1.768–1.772 nε=1.760–1.763 Birefringence 0.008 to 0.010 Pleochroism Strong: purplish-red – orangy-red Dispersion...
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rocks with abundant sericite. Sericite in thin section (fine, high birefringence flakes covering other larger minerals) Granite in thin section under...
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Zero-point energy (section Vacuum birefringence)
coming from distant galaxies. The first concrete evidence for vacuum birefringence was published in 2017 when a team of astronomers looked at the light...
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Cleavage Indiscernible Mohs scale hardness 6.5–7 Luster Vitreous Diaphaneity Opaque Specific gravity 2.5–2.9 Refractive index 1.54–2.65 Birefringence 0.009...
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properties in plane-polarized and cross-polarized light, including their birefringence, pleochroism, twinning, and interference properties with a conoscopic...
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The effects of metamictisation are extensive: other than negating any birefringence previously present, the process also lowers a mineral's refractive index...
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birefringence, as is optical activity, but involves a material only having this property in the presence of a magnetic field. Circular birefringence,...
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birefringent crystals varying in length from 2 to 20 μm. With negative birefringence, the crystals appear yellow in parallel light and blue with perpendicular...
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silicate ring channels causes increases to the refractive indices and birefringence. Beryl is a beryllium compound that is a known carcinogen with acute...
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