Today, astronomers seek to observe the faintest and most distant objects possible. Extremely Large Telescopes (ELTs), with apertures in the order of several dozen meters, are the next generation ...

The aluminumcoated gratings are for use in spectrometers, spectrophotometers, and monochromators. Ion-beam etching creates the sawtooth design common to ruled gratings and eliminates the need for ...

When last we saw [xoreaxeax], he had built a lens-less optical microscope that deduced the structure of a sample by recording the diffraction patterns formed by shining a laser beam through it. At the ...

Coherent Corp. has launched its Ultrabroadband UV-VIS and VIS-NIR Diffraction Gratings, setting a new benchmark in optical performance for life science and medical applications. These advanced optics ...

PROF. R. W. WOOD, of Johns Hopkins University, has recently reported 1 on the successful preparation of diffraction gratings by ruling on 'aluminized' surfaces, and predicts a bright future for this ...

MOSCOW, November 2. /TASS/. A group of scientists from the Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences and the Siberian Federal University’s (SFU) Institute ...

Visual demonstration of the performance of the diffraction grating. The zeroth order transmission refers to light that goes straight through the grating without undergoing diffraction (which should be ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...