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思科认证考试

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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.
正确答案:B
答案解析:
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