Erbium laser with 2.69-μm wavelength for use in the odontopreparation [1984-12] Balin, V. N. ; Guk, A. S. ; Jordanishwily, A. K. ; Kropotov, S. P. ; Maday, D. Yu. ; Kuzovkova, T. A. ; Serebryakov, V. A. ; Frolov, S. V. Abstract Publication: Optical Systems Engineering II Pub Date: January 1982 Bibcode: 1982SPIE..330...74B