I GREATLY regret that in a note of mine on a “new mode of using the concave diffraction grating,” in the “Astronomical Column” of March 22 (p. 501), I wrongly interpreted a sentence of Prof Rizzo's ...

Researchers present a novel ion-trap chip integrating photonics for efficient fluorescence photon collection, enhancing ...

Key applications include space research, EUV lithography for semiconductor manufacturing, and nuclear fusion research in the energy sector. CHAMPAIGN, IL, UNITED ...

Without contrast, any inherent spatial resolution of a microscope is useless. It is thus the contrast mechanism that often imparts unique capabilities to a microscopy technique. Such uniqueness can be ...