A single frequency laser emits light at a specific and stable frequency, producing a narrow linewidth that is useful for precision measurements and high-resolution imaging.
Researchers at the University of Shanghai for Science and Technology have developed a neural network assisted laser frequency locking system that uses predicted values to reduce nonlinearity.
External cavity diode lasers (ECDLs) are a type of laser that use a diode as the light-emitting element. These lasers are characterized by their high efficiency and low cost, making them popular for many applications including telecommunications, spectroscopy, and laser printing.
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