A mother and daughter's realization of the different reflection produced by a mirror, despite a visible item not being in front of the mirror, has left the internet confused. In a viral video, the ...

Researchers have developed an optical coating system that combines antifogging and antireflective properties. The new technology could help boost the performance of lidar systems and cameras. “Walking ...

Optical illusions are a thrilling and entertaining method to challenge your sense of reality and put your brain to the test. With the rise of social media, optical illusions have become more and more ...

Researchers combine a polymer coating with silicon dioxide nanostructures to create a coating to prevent fogging and unwanted reflections. The technique solves a common problem for sensors such as ...

Thin-film coatings can be essential to obtaining the desired performance from an optical component. Stuart Allan describes the types available and provides purchasing advice. Optical thin-film ...

Marko Lončar’s group at SEAS builds isolator in a lithium niobate-based optical chip. Micrograph of electro-optic isolator chip on thin-film lithium niobate. An optical isolator created at the Harvard ...

Exploiting a novel technique called phase discontinuity, researchers have induced light rays to behave in a way that defies the centuries-old laws of reflection and refraction. The discovery has led ...