How is a Thin Film filter fabricated? ()

A .  The glass core is doped with an Erbium in periodic segments of the fiber. B .  Layers of high index ?and low index ?material are deposited on a glass substrate. C .  Thin layers of silica glass are placed onto wafers to produce a prism-like effect. D .  Fiber is etched with an ultraviolet laser that is precisely spaced for specific wavelength filtering.

时间:2022-10-21 01:15:23 所属题库:CCNP(642-321)题库

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