In recent years, with the improvement of semiconductor laser technology and the substantial improvement of semiconductor laser device performance, high power fiber laser has achieved rapid development, especially in the output power and beam quality. Brandnew introduces 878.6 wavelength-locked fiber coupled laser for solid state laser pumping.
The power of the locked wavelength fiber coupling product is 20-170W; The threshold current is within the working current range of wavelength locking (2.5-13.5 lock-wave test, as shown in Figure 3), FMWH < 0.5nm, PIB > 99% (lock-wave state diagram, as shown in Figure 2), which is a high level in the industry. After locking, the wavelength current drift coefficient is 0-0.02 nm/A, FWHM < 1nm; The core diameter of the optical fiber can be 200 or 400. The product has long life, high conversion efficiency, small size, stable performance and so on. After years of verification in the customer's use, the performance advantages are obvious, can be used as solid state laser and solid picosecond laser pump source.
The 878.6 lock wavelength product also has a wide range of operating temperatures, with a temperature width of more than 30℃. As shown in the figure below, a small side peak appeared and PIB began to decrease at constant current from room temperature to 53℃. In addition, the product can continue to be used at lower ambient temperatures.
The 878.6 wavelength lock product also has the characteristic of high uniformity of optical fiber output spot, as shown below. Brandnew wavelength-locked fiber coupling module for solid-state laser pumping can adjust the uniform output spot by optimizing the optical path and the combination of various optical components, and get good feedback in the practical application of the client.
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