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The 99 pages that link to Refractive index, each with the reason it gives.

• Achromatic lensRelated: Its wavelength dependence determines how strongly each glass element bends each color.

• Brewster angleNarrower topic: The two media's indices determine the Brewster angle.

• Laser diodeRelated: Index differences help guide the optical mode through the diode.

• Abbe diffraction limitRelated: Numerical aperture includes the surrounding medium’s refractive index, affecting attainable resolution.

• Calcium fluorideRelated: CaF₂'s low refractive index helps make it useful in precision optics.

• Convex lensRelated: The lens material's index relative to its surroundings helps set its converging strength.

• Electro-optic effectRelated: Electric fields alter this optical property in the most familiar electro-optic response.

• Optical coatingRelated: Index differences at interfaces set the strength and phase of coating reflections.

• Relative permittivityRelated: For transparent, nonmagnetic materials at optical frequencies, refractive index is approximately the square root of relative permittivity.

• Halo (optical phenomenon)Related: Ice’s refractive index sets the bending angles that determine halo size.

• Joseph von FraunhoferRelated: Precise refractive-index measurements were central to selecting glass and designing achromatic lenses.

• Newton's ringsRelated: The film's refractive index changes the optical path difference and fringe conditions.

• Cherenkov detectorRelated: The radiator’s refractive index sets both the emission threshold and Cherenkov angle.

• Lithium fluorideRelated: LiF’s refractive index varies with wavelength and helps determine its optical performance.

• Magneto-optic effectRelated: Magnetization can make the index depend on polarization and propagation direction.

• RutileRelated: Rutile has exceptionally high refractive indices among naturally occurring minerals.

• Igor TammRelated: The refractive index determines the reduced light speed that a charged particle can exceed.

• Optical microscopeRelated: It affects lens focusing and the performance of immersion objectives.

• Optical windowRelated: It governs refraction at the window surfaces and influences reflection losses.

• OpticksRelated: Different refractive indices for different colors account for their unequal bending.

• Ilya FrankRelated: It determines the light-speed threshold a particle must exceed to emit Cherenkov radiation.

• Abbe numberRelated: Its wavelength-dependent values supply the measurements used to calculate an Abbe number.

• Anti-reflective coatingRelated: The coating’s index controls the amplitudes of reflections at both interfaces.

• Arne TiseliusRelated: Optical detection of refractive-index changes revealed boundaries in the Tiselius apparatus.

• BrookiteRelated: Brookite’s high refractive indices help distinguish it optically from other minerals.

• Clausius–Mossotti relationRelated: At optical frequencies, the relation connects molecular polarizability to refractive index through εᵣ ≈ n².

• Lorentz–Lorenz equationBroader topic: The equation predicts this optical property from molecular polarizability and density.

• Magnesium fluorideRelated: MgF₂’s refractive index determines its behavior in optical designs and coatings.

• Pavel CherenkovRelated: The refractive index determines the medium’s light-speed threshold for producing the radiation.

• Silicon photonicsRelated: Index contrasts among silicon, oxide, and surrounding materials govern optical confinement.

• UlexiteRelated: Differences at fiber boundaries help determine how light is guided through ulexite.

• CupriteRelated: Cuprite’s high refractive index contributes to its strong internal reflections.

• Ibn SahlBroader topic: It quantifies the optical property underlying the bending described in Ibn Sahl's construction.

• Negative-index metamaterialNarrower topic: A negative effective value defines this material's distinctive wave behavior.

• BromoformRelated: Bromoform's high refractive index supported specialized laboratory and mineral-separation uses.

• Caesium iodideRelated: CsI’s refractive index affects light collection in scintillators and optical component design.

• Crystal opticsRelated: Its directional variation is the basic quantity behind birefringence.

• Gladstone–Dale relationRelated: The relation expresses its excess over one as proportional to density.

• Iceland sparRelated: The large difference between calcite's principal indices produces strong ray separation.

• Impedance of free spaceCompared with: It changes propagation in matter, where wave impedance generally differs from its vacuum value.

• LoupeRelated: It influences how strongly the loupe's lens surfaces bend light.

• Thin lensRelated: The index contrast between lens and surroundings controls how strongly the lens bends light.

• Optical fiber coreRelated: The core’s index relative to the cladding controls light confinement.

• PainiteRelated: Its refractive properties contribute to how a cut painite gemstone handles light.

• Photonic metamaterialNarrower topic: Metamaterials extend the possible effective values and signs of this familiar optical quantity.

• Rayleigh lengthRelated: In a medium, the wavelength relevant to propagation differs from its vacuum value.

• TanzaniteRelated: Tanzanite’s refractive properties help determine its brilliance and facet design.

• TitaniteRelated: Titanite’s high refractive index contributes to its bright appearance when cut.

• Transparency and translucencyRelated: Refractive-index variations can redirect light and degrade image clarity.