didymium (a mixture of praseodymium and neodymium). The wavelengths of absorption maxima in holmium and didymium glasses can vary between batches; nominal values are listed in Table 2.
didymium (a mixture of praseodymium and neodymium).The wavelengths of absorption maxima in holmiumand didymium glasses can vary between batches;nominal values are listed in Table 2.