Today, scientists have made a major breakthrough in the field of lasers. Researchers have developed a visible-wavelength femtosecond fiber laser that can emit ultra-short pulses of light. This new technology could have a wide range of applications in fields such as medical diagnostics, optical communications, and microscopy. The femtosecond laser is capable of producing extremely short pulses of light, on the order of a few trillionths of a second. This ability to produce extremely short pulses of light means that the laser can be used to measure extremely small changes in optical properties with extreme accuracy. This could be used to detect minute changes in the structure of materials or to measure the optical properties of a sample with unprecedented precision. This could have a huge impact in medical diagnostics, where a higher level of precision is required.

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source: Phys.org