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  2. Zinc selenide - Wikipedia

    en.wikipedia.org/wiki/Zinc_selenide

    The refractive index is about 2.67 at 550 nm (green), and about 2.40 at 10.6 μm . Similar to zinc sulfide, ZnSe is produced as microcrystalline sheets by synthesis from hydrogen selenide gas and zinc vapour. Another method of producing is a growth from melt under excessive pressure of inert gas (Ar usually). [5]

  3. List of refractive indices - Wikipedia

    en.wikipedia.org/wiki/List_of_refractive_indices

    Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength (λ) of 589 nanometers. There are also weaker dependencies on temperature , pressure / stress , etc., as well on precise material compositions (presence of dopants , etc.); for many materials and typical conditions, however, these ...

  4. Refractive index - Wikipedia

    en.wikipedia.org/wiki/Refractive_index

    Since the refractive index is a fundamental physical property of a substance, it is often used to identify a particular substance, confirm its purity, or measure its concentration. The refractive index is used to measure solids, liquids, and gases. Most commonly it is used to measure the concentration of a solute in an aqueous solution.

  5. File:Complex permittivity and refractive index for Au.pdf

    en.wikipedia.org/wiki/File:Complex_permittivity...

    It is recommended to name the SVG file “Complex permittivity and refractive index for Au.svg”—then the template Vector version available (or Vva) does not need the new image name parameter. Description Complex permittivity and refractive index for Au.pdf

  6. Refractive index and extinction coefficient of thin film ...

    en.wikipedia.org/wiki/Refractive_index_and...

    A. R. Forouhi and I. Bloomer deduced dispersion equations for the refractive index, n, and extinction coefficient, k, which were published in 1986 [1] and 1988. [2] The 1986 publication relates to amorphous materials, while the 1988 publication relates to crystalline.

  7. Abbe number - Wikipedia

    en.wikipedia.org/wiki/Abbe_number

    In optics and lens design, the Abbe number, also known as the Vd-number or constringence of a transparent material, is an approximate measure of the material's dispersion (change of refractive index versus wavelength), with high values of Vd indicating low dispersion.

  8. Attenuated total reflectance - Wikipedia

    en.wikipedia.org/wiki/Attenuated_total_reflectance

    Typical materials for ATR crystals include germanium, KRS-5 and zinc selenide, while silicon is ideal for use in the Far-IR region of the electromagnetic spectrum. The excellent mechanical properties of diamond make it an ideal material for ATR, particularly when studying very hard solids, although the broad diamond phonon band between 2600 and ...

  9. File:Oculo-refractive cyclopedia and dictionary (IA ...

    en.wikipedia.org/wiki/File:Oculo-refractive...

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