Control of ion-exchanged waveguide profiles with Ag thin-film sources

Ari Tervonen, Seppo Honkanen, Matti Leppihalme

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)


Fabrication of optical ion‐exchanged glass waveguides by using thin‐film silver ion sources is studied with reference to the use of salt‐melt sources. Since the amount of silver in a thin‐film source is limited, the process is source controlled, and it is shown that temperature and time as controlling parameters in the process can be replaced by source dimensions. Channel waveguide depth profiles are calculated. When contact film over patterned silver‐film‐stripe sources is used, silver can be used totally, which results in good uniformity in waveguide depth.
Original languageEnglish
Pages (from-to)759-763
JournalJournal of Applied Physics
Issue number3
Publication statusPublished - 1987
MoE publication typeA1 Journal article-refereed


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