By combining two fundamentally different microscopy techniques, researchers can now measure the optical properties of a ...

Abstract: This study presents a novel fiber Bragg grating (FBG) refractive index (RI) sensor featuring a circular refractive index modulation (RIM) region, fabricated by integrating femtosecond laser ...

Samsung’s redesigned BioActive sensor delivered highly accurate results when we tested the 2024 crop of Galaxy Watch products, but it also unlocks an exclusive health insight: the AGEs index.

It is wise for investors “to be fearful when others are greedy and to be greedy only when others are fearful,” according to one of Warren Buffett’s classic aphorisms. But it’s not easy to pinpoint the ...

Please provide your email address to receive an email when new articles are posted on . Patients with hyperopia tend to be the happiest with refractive lens exchange. Trial monovision in patients with ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

Please provide your email address to receive an email when new articles are posted on . BARCELONA, Spain — ESCRS guidelines for refractive surgery are a work in progress, expected to be released in ...

(Nanowerk Spotlight) Manipulating light is crucial for modern technologies, from the optical fibers transmitting internet data to the lasers in our smartphones. Despite significant advancements, our ...

If you studied advanced physics at high school, there's a good chance that you remember Snell's law, which states how a ray of light bends when it crosses a boundary between two media. According to ...