We report for the first time a fibre laser operating beyond the 1.55μm communications window. Using a holmium doped fluoro-zirconate fibre, laser emission occurs from the threelevel 2.08μm transition, and also at 1.38μm via a cascading transition.
No takes yet. Share an insight, caveat, or question.
Brierley et al. (1988) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: