you might want to take a step inside the laser with something like [Les Wright]’s open-cavity He-Ne laser. In most gas lasers, the stimulated emission action takes place within a closed optical ...

Resonant optical cavities such as Fabry–Perot resonators ... energy contained in a Fabry–Perot resonator by measuring the cavity elastic deformation under the effect of photon pressure.

This paper describes OpenOpticalFlow, an open source optical flow program in Matlab for extraction of high-resolution velocity fields from various flow visualization images. This program is a useful ...

Junsheng Zeng [Opens in a new window], †Email addresses for correspondence: mengbaoqing92@foxmail.com, yexy@lzu.edu.cn †Email addresses for correspondence: mengbaoqing92@foxmail.com, yexy@lzu.edu.cn ...

Interestingly, the two nanolaser designs reported in Nature are strikingly different. The approach of Noginov et al. is to use a spherical cavity — a composite 44-nm-diameter nanoparticle (lower ...

In a recent article published in the journal Machine Learning: Science and Technology, researchers introduced an innovative ...

"Color is crucial," as pop artist Roy Lichtenstein famously said, but the significance of color extends far beyond art. From ...

As a group, these principles form the basis of the open science agenda – an agenda that is currently being defined by stakeholders from around the world. Our goal as a learned society, professional ...

Dr Rohit Chikkaraddy has been named as this year's recipient of the Henry Moseley Medal and Prize.

The OnePlus 13 smartphone has long been rumored. Now, there are more leaks arriving that tell us a lot about the new flagship that's set to be announced soon.

Lately, I’ve been drawn to TikTok clips sharing how to reverse a cavity without visiting the dentist for a filling. Some videos say that it’s as easy as chewing a nano-hydroxyapatite ...

A recent study has unveiled a transformative nonlinear optical metasurface technology ... of nonlinear THG through electrical means, we open new avenues for applications in light modulation ...