Since the invention of the laser, the variety of lasers and their uses have grown at a phenomenal rate. Scientists and engineers have at their disposal an enormous array of sophisticated laser ...

Helium-neon lasers at 633 nm are still widely used in interferometers and, stabilized to iodine, serve as secondary frequency standards for the practical realisation of the meter [1]. However, the ...

We demonstrated the compensation of thermal lens effect regardless of pumping condition by inserting a solid-state CE, compensating element, having negative dn/dT property between two rods. This ...

Netflix added a full slate of Alfred Hitchcock movies to its library in June, including “Vertigo,” “Rear Window,” and “The ...

There are so many exciting things to do in July in Doha — and we've rounded up 18 fab ideas of things you can't miss out on ...