Optics & Photonics News

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Advanced Spatio-Temporal OCT for Better Diagnoses of Various Blinding Diseases

Worldwide, as many as 285 million people suffer from serious eye diseases or blindness. Unfortunately, most of them do not have access to modern methods of treatment, so help often comes too late.

23 Mar 2022

Study Reveals a Viable Way for Creating Diamond-Based Nonlinear Optical Temperature Sensing

Scientists from the Faculty of Pure and Applied Sciences at the University of Tsukuba have developed a method for monitoring the temperature using the naturally occurring atom-like defects in diamonds.

23 Mar 2022

UNIGE Researchers Succeed in Storing a Qubit for 20 Milliseconds

Computers, smartphones, GPS: quantum physics has enabled many technological advances. It is now opening up new fields of research in cryptography (the art of coding messages) with the aim of developing ultra-secure telecommunications networks.

23 Mar 2022

Using a Laser System to Generate Attosecond Pulses at 100 kHz Repetition Rate

Attosecond laser pulses in the extreme ultraviolet (XUV) are a unique tool enabling the observation and control of electron dynamics in atoms, molecules, and solids.

23 Mar 2022

New MicroLED Array Film to Cover the Brain and Illuminate its Specific Regions

Associate Professor Hiroto Sekiguchi of Toyohashi University of Technology’s Department of Electrical and Electronic Information Engineering, along with other collaborators developed a pliant and multipoint microLED array film.

21 Mar 2022

A Direct, Efficient Method for Generation of Complex Structured Light

Extension of laser beam structures promises new laser applications. Exploration of how beam structures change during nonlinear frequency conversion processes has drawn increasing interest in recent years.

21 Mar 2022

Metasurface Attachment can Turn Any Imaging System into Polarization Cameras

Polarization, the direction in which light vibrates, provides a lot of information about the objects with which it interacts, from aerosols in the atmosphere to the magnetic field of stars.

21 Mar 2022

Using Higgs Spectroscopy to Better Understand Superconductors

Superconductivity is a macroscopic quantum state characterized by the disappearance of electrical resistance in materials at extremely low temperatures.

21 Mar 2022

LEC Components Made Flexible for Effective Emission of Light

Scientists from Umeå University and Uppsala University have formulated a new technique to regulate the light emission of light-emitting electrochemical cells (LECs). details of the study have been published in Advanced Materials.

18 Mar 2022

Holo-Imprinting Used for Mass Production of Planar Liquid Crystal Optics

Planar liquid crystal (LC) optics has recently gained popularity as a new holographic optical element (HOE). Planar LC optics demonstrates unique properties such as polarization selectivity, dynamic modulation, and broad angular and spectral bandwidths, in addition to the capacity to record and recreate arbitrary wavefronts as in classic HOEs.

18 Mar 2022

Scientists Develop New Way to Guide Light in One Direction on a Tiny Scale

Photonic integrated circuits are essential to many technologies, including fiber-optic communications, mapping systems, and biosensors.

18 Mar 2022

Metasurface-Driven Anticounterfeit Platform Works in Visible and Ultraviolet Light

An anticounterfeiting and tampering prevention system using ultraviolet and visible light has been recently proposed by a POSTECH research team.

18 Mar 2022

Researchers Achieve the Highest Attosecond-Pulse-Train Energy Source

Attosecond pulses are essential tools for time-resolved studies of electron dynamics on their natural time scale: attoseconds (10-18 seconds). Coincidence spectroscopy and experiments with high expectations on statistics or signal-to-noise ratio, particularly in the case of solid and molecular samples in chemistry and biology, are examples of these studies, which are all gaining popularity.

17 Mar 2022

Mapping Attosecond Photoionization Time Delays to Gain Insights into Complex Molecular Potential

How can researchers use the mechanism of photoionization to gain insight into complex molecular potential- This question has now been answered by a team led by Prof. Dr. Giuseppe Sansone from the Institute of Physics at the University of Freiburg.

17 Mar 2022

Holobrick Proof-of-Concept Opens the Door for Scalable Holographic 3D Displays

Researchers have developed a new method to display highly realistic holographic images using 'holobricks' that can be stacked together to generate large-scale holograms.

16 Mar 2022