Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that ...

For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...

I’m not a smoker, and I don’t carry a lighter around in case anyone needs a light. However, I could totally see myself with a miniature laser lighter. In fact, if you want to build one, feel free to ...

Chinese projector maker XGIMI reckons it's come up with a best of both worlds solution for projector light sources by combining the high color fidelity and comfortable viewing experience of LED ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...