Single-crystal Sr2Nb2O7 film optical waveguide deposited by rf sputtering
- 1 September 1976
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 29 (5) , 289-291
- https://doi.org/10.1063/1.89068
Abstract
A new optical waveguide of a single‐crystal Sr2Nb2O7filmgrown onto a b‐plate Sr2Ta2O7 substrate by rf sputtering is reported. Waveguide propagation loss was 7.6 dB/cm for the TE0 mode at 6328 Å. An increased oxygen concentration in the sputtering gas is effective in lowering the optical waveguide propagation loss.Keywords
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