Talbot–Lau grating interferometer (GI) can provide valuable tricontrast [absorption, differential phase contrast (DPC), and dark field (DF)] information about the samples to be imaged. However, the ...

A robust, ultra-broadband high-speed wavelength-swept DFB laser array with 60 nm range and 82.7 kHz speed enables high-precision FBG sensor interrogation, stable even in challenging environments, with ...