Birefringence means double refraction. It is the optical property of a material having a refractive index that depends on the polarization and propagation...

In biochemistry, flow birefringence is a hydrodynamic technique for measuring the rotational diffusion constants (or, equivalently, the rotational drag...

affect the polarization of light, but some materials—those that exhibit birefringence, dichroism, or optical activity—affect light differently depending on...

Retinal birefringence scanning (RBS) is a method for detecting the central fixation of the eye. The method can be used in pediatric ophthalmology for...

property is termed giant birefringence which more generically is called giant optical anisotropy. Values for giant birefringence exceed 0.3. Much bigger...

Optical rotation, also known as polarization rotation or circular birefringence, is the rotation of the orientation of the plane of polarization about...

physicist David Brewster, who immediately recognized it as stress-induced birefringence. That diagnosis was confirmed in a direct refraction experiment by Augustin-Jean...

the Very Large Telescope reported observational indications of vacuum birefringence from RX J1856.5−3754. A degree of polarization of about 16% was measured...

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...

Retrieved 2022-11-18. Cotton, Aimé; Mouton, Henri (1905-08-07). "Sur la biréfringence magnétique. Nouveaux liquides actifs". Comptes rendus hebdomadaires...

first study of IXPE has hinted the possibility of vacuum birefringence on 4U 0142+61. Birefringence Circular dichroism Chiral magnetic effect Schwinger limit...

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...

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...

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...

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);...

crystal is a direction in which a ray of transmitted light suffers no birefringence (double refraction). An optic axis is a direction rather than a single...

Adamantine Optical properties Isotropic Refractive index 2.418 (at 500 nm) Birefringence None Pleochroism None Dispersion 0.044 Melting point Pressure dependent...

The Kramers–Kronig relations, sometimes abbreviated as KK relations, are bidirectional mathematical relations, connecting the real and imaginary parts...

direction of the light. This is called birefringence or optical anisotropy. In the simplest form, uniaxial birefringence, there is only one special direction...

birefringent crystals varying in length from 2 to 20 μm. With negative birefringence, the crystals appear yellow in parallel light and blue with perpendicular...

properties Uniaxial (+) Refractive index nω = 1.543–1.545 nε = 1.552–1.554 Birefringence +0.009 (B-G interval) Pleochroism weak, from red-brown to green-brown...

microscopy, they have a needle-like morphology and strong negative birefringence. This test is difficult to perform and requires a trained observer....

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...

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...

rocks with abundant sericite. Sericite in thin section (fine, high birefringence flakes covering other larger minerals) Granite in thin section under...

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...

properties in plane-polarized and cross-polarized light, including their birefringence, pleochroism, twinning, and interference properties with a conoscopic...

birefringence, as is optical activity, but involves a material only having this property in the presence of a magnetic field. Circular birefringence,...

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...

peridot lacks nickel. Orthorhombic minerals, like peridot, have biaxial birefringence defined by three principal axes: α, β, and γ. Refractive index readings...