TOKYO — Trying to bridge the gap between next-generation optical disk formats, Ricoh said it has developed an optical component that reads and writes all disk formats—Blu-ray Disc and HD-DVD, as well ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Ricoh has developed an optical component that reads and writes all disk formats — Blu-ray and ...

Recent scientific advancements have opened new opportunities for the close observation of physical phenomena. Researchers at University of Cambridge and University of Newcastle recently introduced a ...

Schematic of the planar device for producing dark- field speckle patterns. (Image from USTC). Credit: Douguo Zhang et al. Researchers from the University of Science and Technology of China (USTC) have ...

Historically, metasurface research has concentrated on the full manipulation of light's characteristics, resulting in a diverse array of optical devices such as metalenses, metaholograms, and beam ...

As companies such as Toshiba, Samsung and LG allude to dual-format Blu-ray and HD DVD players, Ricoh jumps in with a tiny optical device that makes a goes-both-ways player easier to execute. The ...

Figure 1: Light-induced three-dimensional control over the helical axis of a CLC. Figure 2: Light-controllable two-dimensional beam steering for spectrum scanning. Figure 4: Helical arrangements of ...

In the semiconductor industry, more sophisticated control of the planarization steps is a key process requirement for higher density chip technology. The use of colloidal dispersion of metal oxide ...

What is Particle Size Analysis? Particle size analysis is a technique for determining the particle size distribution in a material. Solid materials, emulsions, suspensions, and even aerosols may all ...

Plans for shielding and shielding calculations shall be reviewed and approved by the RSO. Whenever shielding is required it shall be designed to resist mechanical damage. (Shielding shall be ...