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15 maj 2021 · In order to obtain high brightness blue light output, 48 single tube semiconductor lasers with wavelength of 450 nm and output power of 3.5 W are focused and coupled into 105 μm/0.22 NA fiber by fast slow axis collimation and spatial beam combination.
25 lis 2023 · The fiber-coupled blue laser diode is used as the pump source. With an incident pump power of 15.3 W, the deep-red Pr :YLF laser reaches the 5.02 W output power at 720.8 nm, corresponding to a slope efficiency of 40.2%.
1 wrz 2020 · In this work, we study a TFB 19 × 1 fiber combiner with high transmission efficiency and minimal thermal load for direct beam combining of fiber-coupled laser diodes. The combiner terminated with a quartz block head (QBH), which can be easily integrated to laser welding or cladding system.
The fiber-coupled blue laser diode is used as the pump source. With an incident pump power of 15.3 W, the deep-red Pr : YLF laser reaches the 5.02 W output power at 720.8 nm, corresponding to a slope efficiency of 40.2%. In addition, we estimate the beam quality factor to be about 2.0.
1 lut 2021 · In this paper, we demonstrate the experimental design and results of a high-power fiber-coupled green laser diode module. A total of 40 TO-Can-packaged 1-W continuous-wave green LDs with the dominant wavelength at 520 nm are coupled into a 200-μm optical-fiber with NA of 0.22 by using a series of technologies including the beam collimation ...
27 cze 2021 · This paper shows a high beam quality fiber-coupled module by combining three 1-W CW TO-can packaged green LDs and coupling them into a 50 μm core-diameter/0.22NA optical-fiber. The implementation process of the module is demonstrated through both the simulation of ZEMAX and the experiment.
The demand for high-power and high-brightness fiber coupled diode laser devices is mainly driven by applications for solid-state laser pumping and materials processing. The ongoing power scaling of fiber lasers requires scalable fibercoupled diode laser devices with increased power and brightness. For applications in materials processing multi-kW output power with beam quality of about 30 mm x ...
