Transition-metal-doped zinc sulfide or zinc selenide planar waveguide material and preparation method
A planar waveguide and transition metal ion technology, applied in chemical instruments and methods, ceramic layered products, layered products, etc., can solve problems affecting output laser energy and repetition frequency, bursting of laser dielectric materials, and beam quality damage. Achieve good economic benefits and value, improve slope efficiency, and solve thermal effects
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Embodiment 1
[0022] Firstly, high optical quality (mid-infrared transmittance up to 72% or more, transition metal ion doping concentration up to ~10 18 / cm 2 ) Cr 2+ : ZnS ceramics, the thickness is 2 mm, YAG is clamped on both sides, put into a vacuum hot-press furnace, keep the temperature at 850 ° C, and the pressure at 3 tons / cm 2 Under the conditions of hot pressing and compounding, heat preservation and pressure for 30 minutes, high-quality YAG+Cr 2+ : Planar waveguide laser materials with ZnS+YAG sandwich composite structure.
Embodiment 2
[0024] Firstly, high optical quality (mid-infrared transmittance up to 72% or more, transition metal ion doping concentration up to ~10 18 / cm 2 ) of Fe 2+ : ZnSe ceramics, thickness 5 mm, sandwiched Al on both sides 2 o 3 , put in N 2 In a hot press furnace under gas protection, at a high temperature of 900 ° C and 4 tons / cm 2 Hot-compression compounding under certain pressure conditions, heat preservation and pressure for 40 minutes, to obtain high-quality Al 2 o 3 +F e 2+ :ZnS e +Al 2 o 3 Planar waveguide laser materials with sandwich composite structure.
Embodiment 3
[0026]Firstly, high optical quality (mid-infrared transmittance up to 72% or more, transition metal ion doping concentration up to ~10 18 / cm 2 ) Co 2+ : ZnS ceramic, thickness 3 mm, sandwiched Al on both sides 2 o 3 , put in H 2 In a hot press furnace under gas protection, at a temperature of 950°C and a pressure of 3.5 tons / cm 2 Under the conditions of high temperature hot pressing and compounding, heat preservation and pressure holding for 50 minutes, high quality Al 2 o 3 +Co 2+ :ZnS+Al 2 o 3 Planar waveguide laser materials with sandwich composite structure.
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