Optics - Remote Phosphor Light Source is a special light source technology that excites fluorescent powder to emit light in a non-contact manner. This type of light source typically consists of two main parts: a high-frequency electromagnetic field generator and a transparent substrate coated with fluorescent powder. The working principle is to use high-frequency electromagnetic fields to cause electrons in the fluorescent powder to transition to higher energy levels, and then release photons when the electrons return to the ground state, thereby achieving luminescence. An important feature of this light source is that there is no direct physical contact between the light source and the fluorescent powder, which allows it to achieve higher energy efficiency, longer lifespan, and lower thermal effects.

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