Robuta

https://www.horiba.com/esp/scientific/applications/biotechnology-biomedical/pages/characterization-of-dna-sensor-pads-using-uvisel-spectroscopic-phase-modulated-ellipsometer/
phase modulatedcharacterizationdnasensorpads
https://www.nist.gov/publications/neutron-interferometry-using-single-modulated-phase-grating
Neutron grating interferometry provides information on phase and small-angle scatter in addition to attenuation.
neutron interferometryusingsinglemodulatedphase