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  2. Thin-film interference - Wikipedia

    en.wikipedia.org/wiki/Thin-film_interference

    The effects of thin-film interference can also be seen in oil slicks and soap bubbles. The reflectance spectrum of a thin-film features distinct oscillations and the extrema of the spectrum can be used to calculate the thickness of the thin-film. [1] Ellipsometry is a technique that is often used to measure properties of thin films. In a ...

  3. Thin-film optics - Wikipedia

    en.wikipedia.org/wiki/Thin-film_optics

    Thin-film optics is the branch of optics that deals with very thin structured layers of different materials. [1] In order to exhibit thin-film optics, the thickness of the layers of material must be similar to the coherence length ; for visible light it is most often observed between 200 and 1000 nm of thickness.

  4. 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.

  5. Thin film - Wikipedia

    en.wikipedia.org/wiki/Thin_film

    A thin film is a layer of materials ranging from fractions of a nanometer to several micrometers in thickness. [1] The controlled synthesis of materials as thin films (a process referred to as deposition) is a fundamental step in many applications.

  6. o-Phenylenediamine - Wikipedia

    en.wikipedia.org/wiki/O-Phenylenediamine

    o-Phenylenediamine (OPD) is an organic compound with the formula C 6 H 4 (NH 2) 2. This aromatic diamine is an important precursor to many heterocyclic compounds . OPD is a white compound although samples appear darker owing to oxidation by air.

  7. Interference filter - Wikipedia

    en.wikipedia.org/wiki/Interference_filter

    Dichroic filters use the principle of thin-film interference, and produce colors in the same way as oil films on water.When light strikes an oil film at an angle, some of the light is reflected from the top surface of the oil, and some is reflected from the bottom surface where it is in contact with the water.

  8. Thin-film equation - Wikipedia

    en.wikipedia.org/wiki/Thin-film_equation

    The basic form of a 2-dimensional thin film equation is [3] [4] [5] = where the fluid flux is = [(+ ^) + ^] +, and μ is the viscosity (or dynamic viscosity) of the liquid, h(x,y,t) is film thickness, γ is the interfacial tension between the liquid and the gas phase above it, is the liquid density and the surface shear.

  9. Thin-film solar cell - Wikipedia

    en.wikipedia.org/wiki/Thin-film_solar_cell

    Thin-film solar cells, a second generation of photovoltaic (PV) solar cells: Top: thin-film silicon laminates being installed onto a roof. Middle: CIGS solar cell on a flexible plastic backing and rigid CdTe panels mounted on a supporting structure Bottom: thin-film laminates on rooftops Thin-film solar cells are a type of solar cell made by depositing one or more thin layers (thin films or ...

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