The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio waves, microwaves, visible light, ...

WSPV systems are designed to transmit light at the wavelengths most beneficial for ... methods can effectively share sunlight between energy generation and crop production, though full-scale ...

“Bulk crystal techniques confine infrared light to around 97% of its wavelength ... to MIT), but can also be thought of as sound energy. Both photons and phonons deal in the realm of excitations ...

This work reports the design of an efficient multiband UC system based on Ln3+/Yb3+-doped core-shell upconversion ...