Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging from hospital-grade pulse oximeters to consumer wearables that track heart ...

A device produces green light while a researcher in lab gear stands in the background. This OLED device, which is held by a mechanical support, is producing circularly polarized light. Credit: ...

Who doesn’t know the problem of glare when trying to ogle a PCB underneath a microscope of some description? Even with a ring light, you find yourself struggling to make out fine detail such as ...

ABSTRACT: The quantity and quality of oocytes obtained after egg harvesting or retrieval have been regarded as a variable that influences fertilization and the development of viable embryos, ...

In the continuous evolution of optical technology, stress-free objective lenses have emerged as a prominent solution, notably for advanced polarized light microscopy. These lenses are designed to ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

It's a beautiful summer day, and you're outside enjoying the weather. You are wearing your favorite sunglasses for protection from the bright sun. However, you still find yourself squinting when the ...

A Murdoch University researcher in Australia has determined that large-scale solar farms affect migratory routes of wildlife due to polarized light pollution, but this could be improved with ...