Erbium-doped yttrium barium lithium molybdate laser crystal and preparation method and application thereof
A technology of lithium erbium molybdate and laser crystal, which is applied in the field of erbium-doped lithium molybdate barium yttrium laser crystal and its preparation and application, can solve the problems of narrow absorption spectrum line and unsuitability for LD pumping, etc., and achieve stable growth process, The effect of excellent optical properties and good thermal conductivity
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[0017] Embodiment 1: with Li 2 MoO 4 The growth doping concentration is 4at.% Er for flux growth 3+ Er 3+ : Li 3 Ba 2 Y 3 (MoO 4 ) 8 laser crystals.
[0018] The growth material is Li 3 Ba 2 Y 3 (MoO 4 ) 8 : Li 2 MoO 4 =1:5 (molar ratio), doped with 4at% Er 3+ ion. Using the molten salt top seed method, in a φ60×50mm platinum crucible, the growth temperature is between 750 and 900°C, with a cooling rate of 1°C / day and a crystal rotation speed of 10 revolutions / min, a crystal with a size of 25mm is grown. ×30×10mm 3 high quality Er 3+ : Li 3 Ba 2 Y 3 (MoO 4 ) 8 crystals. The ICP (plasma emission spectrometry) analysis shows that Er in the crystal 3+ The ion content is 3.5 at%.
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