Santa Clara, CA — National Semiconductor launches its newest laser diode driver (LDD) for use in optical pickup units (OPUs). The LMH6533 has extremely fast switching rates and very low output current ...

The demand for DVD players is rising as the products become more popular due to their declining prices. To keep up with the fast-growing market, Taiwan’s DVD optical pick-up head manufacturer Acute ...

Japan has long dominated in optical pick-up heads. However, Taiwanese companies, including Esonic, Optrodyne, United Epitaxy, and Acute Applied Technologies (Aatek), are now at the forefront of those ...

The ability to measure microgram and milligram masses with extremely high accuracy is often critical in pharmaceutical and chemical industries. This design combines a pickup head from a compact-disc ...

A device for testing next generation DVDs could help disc makers spot manufacturing flaws. TOPTICA Photonics of Germany has developed a reference drive for testing the quality of Blu-ray and HD DVD ...

Half-Ball (hemispherical) lenses have a good performance on microscopy, endoscopy, fiber communication, optical pick-up devices, and laser measurement systems, LED industry, especially for high power ...

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference ...