Recently, a number of companies announced the Blu-ray Disc format. The format is based on a blue-laser diode 405 nm, an objective lens with a high numerical aperture (NA = 0.85), a disc with a thin ...

We present a new method for the measurement of the absolute distance of a remote target based on the laser diode self-mixing interferometry technique, which is assisted by an electronic feedback loop ...

One of those investigations involved a distinctive deep dive into studying the interior of the moon.