This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Confokal Resonator. Strahlengang im Resonator own original caption selbst gezeichnet br de Wdwd CommonsHelperLabs CEST br last version Herbertweidner de PDrelease Original upload log page de ConfokalResonator RedEye bytes no Andere Versionen Herbertweidner bytes no Information Strahlengang im Resonator selbst