Use of undoped crystals of the yttrium aluminum borate family for nonlinear optical properties.

摘要

The present invention relates to a process for the production of a blue or uv - light. In order to blue or uv - light with the described crystal to produce family, it is proposed according to the invention that a crystal of the family a_xM_{1 - x}X₃(Bo₃)₄, both a and m represents an element selected from the group y, la, ce, pr, nd, pm, sm, eu, gd, tb, dy, ho, er, tm, yb, lu, a ≠ m and x = al, ga, sc and 0 ≦ x ≦ 1 is, as a nonlinear optical element is used, in order to light with a wavelength of less than 0,450 μm are to be produced.