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发明申请
US20050244101A1 End face structure of optical fiber, optical fiber laser, and laser processing apparatus 有权
光纤端面结构，光纤激光器和激光加工设备

End face structure of optical fiber, optical fiber laser, and laser processing apparatus
摘要：
An end face structure of an optical fiber includes a coreless fiber fused to an emitting end face of the fiber optical fiber and a coating material disposed around at least the coreless fiber, a refractive index of the coating material being higher than a refractive index of the coreless fiber.
摘要（中）：

光纤的端面结构包括与光纤的发射端面熔合的无芯光纤和至少设置在无芯光纤上的涂层材料，涂层材料的折射率高于 无芯纤维。

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