<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-06-27T12:22:01Z</responseDate><request verb="GetRecord" identifier="oai:docta.ucm.es:20.500.14352/51178" metadataPrefix="marc">https://docta.ucm.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:docta.ucm.es:20.500.14352/51178</identifier><datestamp>2023-07-18T03:58:59Z</datestamp><setSpec>com_20.500.14352_14</setSpec><setSpec>col_20.500.14352_15</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
   <leader>00925njm 22002777a 4500</leader>
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      <subfield code="a">dc</subfield>
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   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Espinosa Luna, Rafael</subfield>
      <subfield code="e">author</subfield>
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      <subfield code="a">Bernabeu Martínez, Eusebio</subfield>
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      <subfield code="c">2007-09-15</subfield>
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      <subfield code="a">In this work, we have derived a depolarization metric, named Q(M) here, from the nine bilinear constraints between the 16 Mueller-Jones matrix elements, reported previously by several authors following different approaches. This metric Q(M) is sensitive to the internal nature of the depolarization Mueller matrix and does not depend on the incident Stokes vector. Q(M) provides explicit information about the inner 3 x 3 internal matrix. Four bounds are associated to Q(All) for a totally depolarizing, partially depolarizing, non-depolarizing diattenuating or partially depolarizing, and non-depolarizing non-diattenuating optical system, respectively. To our best knowledge, Q(All) is the unique depolarization metric that provides such information in one single number.</subfield>
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   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">0030-4018</subfield>
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      <subfield code="a">10.1016/j.optcom.2007.05.051</subfield>
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      <subfield code="a">https://hdl.handle.net/20.500.14352/51178</subfield>
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      <subfield code="a">http://dx.doi.org/10.1016/j.optcom.2007.05.051</subfield>
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      <subfield code="a">http://www.sciencedirect.com</subfield>
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   <datafield ind2="0" ind1="0" tag="245">
      <subfield code="a">On the Q(M) depolarization metric</subfield>
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