<?xml version="1.0" encoding="UTF-8"?>
<term>
  <id>08807</id>
  <title>electro-optic effect</title>
  <longtitle>IUPAC Gold Book - electro-optic effect</longtitle>
  <doi>10.1351/goldbook.08807</doi>
  <code>08807</code>
  <status>current</status>
  <definitions>
    <item>
      <id>1</id>
      <text>Change in the optical properties of a material in response to a change in an external electric field strength.</text>
      <notes>
        <item>Changes in the absorption coefficient, color, refractive index, permittivity or optical activity of a material are typical examples of electro-optic effects.</item>
        <item>Electro-optic is not a synonym for optoelectronic.</item>
      </notes>
      <links>
        <item>
          <term>optoelectronic</term>
          <url>https://goldbook.iupac.org//terms/view/08846</url>
        </item>
      </links>
      <sources>
        <item>PAC, 2022, 94, 15. 'Glossary of terms relating to electronic, photonic and magnetic properties of polymers (IUPAC Recommendations 2021)' on page 29 (https://doi.org/10.1515/pac-2020-0501)</item>
      </sources>
    </item>
  </definitions>
  <altoutputs>
    <html>https://goldbook.iupac.org/terms/view/08807/html</html>
    <json>https://goldbook.iupac.org/terms/view/08807/json</json>
    <plain>https://goldbook.iupac.org/terms/view/08807/plain</plain>
  </altoutputs>
  <citation>Citation: 'electro-optic effect' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08807</citation>
  <license>The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.</license>
  <collection>If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .</collection>
  <disclaimer>The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.</disclaimer>
  <accessed>2026-04-18T08:35:57+00:00</accessed>
</term>
