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Short-Message Communication Ranging Enhances GEO Satellite Accuracy

A Beijing Satellite Navigation Center research group, led by Professor Yijun Tian, has developed a new concept for computing time delay parameters of radio determination service system (RDSS) equipment.

16 Sep 2022

New Insight Into Demodulation of OAM in Optical Underwater Communication

A research group has investigated a novel method for underwater optical communications with OAM demodulation. The results were published in the latest edition of the Journal of Marine Science and Engineering.

14 Sep 2022

Study Develops Novel Technique for the Demodulation of OAM in Optical Underwater Communication

Researchers used the topological charge value of the orbital angular momentum (OAM) for classification labels' identification. They analyzed the ocean turbulence caused by different temperatures and salinity.

13 Sep 2022

Paving the Way for EOT Filtering Devices for Optical Communications

In a study published in the journal Electronics, researchers explored the effects on the transmission properties of large but finite chains of slots due to different families of disorder: lateral and vertical displacements as well as scatterer manipulation by expanding on previously developed highly efficient method of moment (MoM) implementations.

9 Sep 2022

Angle-of-Arrival Tracking System Improves Receiver Sensitivity and Tracking Precision

In a pre-proof article posted in Optics Communications, researchers proposed a novel angle-of-arrival (AoA) tracking device that eliminates the need for beacon lights and beam splitters by employing an integrated beam alignment positioning sensor with a data photo-detector (PD).

9 Sep 2022

Device Paves Way for New Possibilities in Optical Communications

On-chip laser frequency combs, which concurrently emit different light frequencies or colors and separate them like the teeth on a comb, are a revolutionary technique for a variety of uses in astronomy, metrology, optical computing, and the environment.

8 Sep 2022

How Coherent Oscillations Affect the Development of Turbulent Flame Brush

Coherent structures can dramatically affect the flame structure and flame release. Hydrodynamic instabilities are stimulated by thermoacoustic oscillations. Studying how coherent oscillations of various amplitudes can af...

2 Sep 2022

MVstereo – The Laser for 3D Stereo Machine Vision

The FLEXPOINT® MVstereo laser module’s primary use is for machine vision applications such as gesture recognition, depth sensing and volume measurement. It delivers an output power up to 100 mW for 660 nm and 130 mW for 830 nm while at the same time being a class 1 laser. It also offers an adjustable focus without removing any of the optics.

From Laser Components (UK) Ltd. 2 Sep 2022

Harnessing Self-Chaotic Microcavity Lasers for Fast Number Generation

The development of cryptographic keys for traditional and quantum cryptography systems, the dependability of today’s modern networked society, stochastic simulation, etc. depend on random numbers.

29 Aug 2022