An efficient eye-safe laser supply at 1500 nm determined by a novel Raman crystal BaTeMo2O9 (BTM) is shown for the first time. The laser supply was produced with a 3rd order Stokes change at…The struggle of eye-safe laser crystals, Yb:Er:glass and Tm:YAG, is not really so much a battle as It is just a complementary romantic relationship. Each cry