Optical and lasing properties of fluorophosphate glass

S.E. Stokowski, William Eugene Martin, S.M. Yarema

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58 Citations (Scopus)


Neodymium-doped fluorophosphate glass is a laser material newly-developed for use in high power laser fusion systems. The low refractive index (n ∼ 1.45) and low dispersion (Abbe number ∼90) of fluorophosphate glasses give them the properties of low nonlinear refractive indices and long Nd fluorescence lifetimes, which are desirable for the high power laser applications. We have measured the intensity gain of 1.052 and 1.064 nm laser light produced by flashlamp-pumped fluorophosphate glass amplifiers, varying in size from 4-34 clear aperture. The measured gains are compared with those measured in other laser glass types and with those predicted from the spectroscopic properties of Nd. We estimate that the peak cross section for the F → I transition in commercial fluorophosphate laser glasses is ∼2.2 × 10 cm
Original languageEnglish
Pages (from-to)481-487
Number of pages7
JournalJournal of Non-Crystalline Solids
Issue number1-3
Publication statusPublished - Jul 1980


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