Retraction Retraction dated 2019-08-28

Click to view Retraction: https://doi.org/10.1007/s00340-019-7252-6

RETRACTED ARTICLE: Photon–phonon anti-stokes upconversion of a photonically, electronically, and thermally isolated opal

Crossref DOI link: https://doi.org/10.1007/s00340-016-6392-1

Published Online: 2016-04-26

Published Print: 2016-05

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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