Supercontinuum is a phenomenon where a broadband spectrum of light is generated by an intense laser pulse passing through a nonlinear medium.
The experiment involved using a special type of laser called an all-fiber self-Q-switched Er/Yb laser to generate an ultra-flat supercontinuum. The laser was designed to produce short bursts of light called pulses.
Researchers have achieved a groundbreaking advancement in the field of ultraefficient on-chip supercontinuum generation, paving the way for the development of portable and mechanically stable medical imaging devices, chemical sensors, and light detection and ranging (LiDAR) systems.
A supercontinuum laser is a type of laser that generates a broadband spectrum of light. This spectrum extends over a wide range of wavelengths, from the ultraviolet to the infrared region. The term “supercontinuum” is derived from the fact that the laser’s spectrum is continuous, unlike that of a typical laser, which is typically limited to a narrow range of wavelengths.
This breakthrough method demonstrates the remote generation of a white light supercontinuum from an Earth-orbiting satellite, providing an atmospheric in-situ light source for monitoring greenhouse gases and pollutants on a global scale.
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