| 摘要 |
A method of adjusting the operational characteristics of integrated optical devices, so as to permit out-of-tolerance devices to be salvaged by depositing on the surface in which the optical guides are manufactured, after the normal fabrication process is completed, a further layer of transparent material of an extent and refractive index such as to adjust the propagation characteristics of at least one of the guides to bring the properties of the device within tolerance.
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