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Related Experiment Video

Updated: Jun 16, 2026

Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition
06:30

Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition

Published on: August 29, 2017

Absorptance of thin films.

R G Buckley, D Beaglehole

    Applied Optics
    |February 20, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study explores thin film absorptance to define when it directly relates to the absorption coefficient. Calculations cover various substrates and polarization effects for optical properties.

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    Area of Science:

    • Materials Science
    • Optics
    • Solid State Physics

    Background:

    • Optical properties of thin films are crucial for device applications.
    • Understanding the relationship between absorptance and absorption coefficient is key for material characterization.

    Purpose of the Study:

    • To determine the conditions under which absorptance is directly proportional to the absorption coefficient in thin films.
    • To investigate the influence of substrate type (unsupported, transparent, metallic) on this relationship.
    • To analyze the effect of polarization on thin film absorptance.

    Main Methods:

    • Theoretical calculations of thin film absorptance.
    • Analysis of optical properties considering different substrate configurations.
    • Examination of absorptance as a function of light polarization.

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    Last Updated: Jun 16, 2026

    Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition
    06:30

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    Published on: August 29, 2017

    Recombination Dynamics in Thin-film Photovoltaic Materials via Time-resolved Microwave Conductivity
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    Main Results:

    • Established the range of validity for the direct relationship between absorptance and absorption coefficient.
    • Quantified the impact of substrate materials on absorptance.
    • Demonstrated the dependence of absorptance on the polarization state of incident light.

    Conclusions:

    • The direct relationship between absorptance and absorption coefficient is limited and depends on film and substrate properties.
    • Substrate choice significantly affects the optical response of thin films.
    • Polarization must be considered for accurate thin film optical analysis.