Abstract
Complex tungstate and molybdate crystals are known as excellent host materials for doping with trivalent rare-earth ions RE3+, e.g. Yb3+ or Tm3+, [1] and they are Raman-active. Due to the structure features, they offer high RE3+ doping levels, low non-radiative relaxation rates, weak concentration quenching, and broad and intense spectral bands of the RE3+ ions in polarized light. Lithium metal molybdate crystals with the lyonsite structure, Li2M2(MoO4)3 where M2+ = Mg, Zn, Mn, Ni, etc. (shortly LiMMo) [2] have been poorly studied as laser host matrices. In the present paper, we report on the growth, structure, vibronic, thermal and spectroscopic properties of Yb:LiMgMo and Yb:LiZnMo single-crystals showing high potential for broadly tunable and sub-100 fs mode-locked lasers at ~1 μm.
© 2017 IEEE
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