Designing dysprosium-doped fibre lasers for 600-700 nm wavelengths

In recent years, dysprosium-doped fibre lasers have attracted much attention in the field of laser technology. At present, dysprosium-doped lasers have been intensively studied only in yellow and blue light in the visible light band, but there is still a gap in the red light band. In this paper, the parameters of dysprosium-doped TZPPN glass in generating red lasers are investigated by collecting data from some previous literature. It is found that dysprosium-doped lasers can produce high-quality red laser light by appropriately increasing the pump power. In addition, the ion doping concentration has little effect on the pump power threshold. It is concluded that dysprosium-doped fibre lasers exhibit excellent performance and application potential in both red and yellow light output. The power level and performance characteristics of dysprosium-doped fibre lasers can be further improved by optimising the design parameters and exploring new materials, thereby advancing the development of laser technology.