Improving Communications by Blending Materials The advances in communication technologies that we enjoy today and treat as granted in our everyday lives are a result of a formidable thrust in the ...

Quantum dots, sometimes referred to as semiconductor nanocrystals, are an exciting emerging technology that we have covered previously on our blog. Quantum dots are artificial nanoparticles (on the order ...

Optical fibers are a convenient instrument for robust light transfer. Their low losses have enabled their wide use in long distance telecommunication systems while service providers like AT&T, Verizon ...

In 1842, Johann Doppler delivered his paper on Doppler effect to Royal Bohemian Society. In his paper “On the Colored Light of Double Stars and Some Other Heavenly Bodies”, he arrived at the ...

Introduction to the Photoacoustic Effect Alexander Graham Bell, a prolific inventor most celebrated for inventing the telephone, first observed the photoacoustic effect in 1880. Bell was experimenting with ...

Fourier-transform infrared spectroscopy (or FTIR, for short) is a method of exploring the physical properties of solids, liquids, and gases. More specifically, it allows the study of the absorptive and ...

Semiconductor lasers apart from silicon itself have dominated the LED industry because of their better efficiency in light emission. However, at first, most of such devices emitted light in the red to ...

New Changes in the Hands of the Everyday Individual: Photonics in Wearable Technology With rapid advancements in common devices like phones and watches, technology has become more prominent in everyday ...

Beam profiling systems are an essential technology to ensure the quality and uniformity of lasers. Beam profilers measure the optical spatial intensity of an input laser beam,  providing information about ...

Non-linear techniques in photonics have opened up new avenues for sensing and manipulating materials. In the 1960s, non-linear techniques were used to discover multiphoton absorption processes in ...