European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs ...

This paper evaluates the performance of concave diffraction grating fabricated using two-dimensional curving techniques. This concave diffraction grating was fabricated by assembling flat diffraction ...

Compared with ordinary volume holographic gratings, holographic polymer dispersed liquid crystal(H-PDLC) grating has the advantage of adjustable electronically controlled diffraction efficiency. In ...