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Researchers at the Physical Research Laboratory at Gujarat University have developed a compact and ultrafast high-power yellow laser. The tunable laser shows excellent beam quality, helping fill a need for a practical yellow light source emitting ultrafast light pulses.
While studies have shown lasers in the yellow spectral range are useful for certain medical treatments, their wavelengths are typically created using bulky and inefficient copper vapor lasers, dye lasers, and optical parametric oscillators. These sources have been successful in their use for various applications but suffer from drawbacks that can include low average power, the lack of an optimal spatial beam profile, limited or no wavelength tunability, and broad…READ MORE