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.
F Correlator. en July diagram showing the correlator from Fourier Optics CraigNGC talk Uploads CraigNGC talk Uploads Correlator svg CraigNGC Original upload log en Sfan CommonsHelper en FCorrelator CraigNGC bytes no Unidentified scientific mechanical diagrams schematics etc
Page 2023 Free-images.com. All images are Public Domain