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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CA_3_4

In-band diode pumped high power Ho:YLF laser

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Solid state lasers operating in the eye-safe wavelength region around 2 μm can address applications in many different fields like medicine, remote sensing or plastic processing. By now mostly 2 μm thulium lasers are used, due to the possibility of diode pumping around 800 nm, but Ho-lasers offer several advantages. They have longer upper laser level lifetimes, higher emission cross sections and can operate at slightly longer wavelengths. Using in-band pumping also the thermal load inside the crystal is very low. For in-band pumping around 1900 nm typically Tm-doped fiber or solid state lasers are used [1]. Recently efficient in-band pumping of Ho:YAG with laser diodes was demonstrated [2].

© 2013 IEEE

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