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Metal clad optical fiber and method for preparing same

A technology of metal cladding and optical fiber, applied in the direction of cladding optical fiber, glass manufacturing equipment, manufacturing tools, etc., to achieve the effect of easy processing, simple structure, and convenient production and processing

Active Publication Date: 2012-07-25
佛山市顺德区恒昌通信器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Difficult to use in autoclave or vacuum

Method used

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  • Metal clad optical fiber and method for preparing same
  • Metal clad optical fiber and method for preparing same

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preparation example Construction

[0026] The first preparation method of metal-clad optical fiber in the present invention comprises the following steps:

[0027] A. Fix the fiber core in the casting mold or workpiece window;

[0028] B. Pour the molten metal or alloy into the casting mold or workpiece window in step A, and solidify.

[0029] The second preparation method of metal-clad optical fiber in the present invention comprises the following steps:

[0030] A. Process a through hole with a diameter of 8 μm to 50 μm in metal or alloy;

[0031] B. Pour molten glass into one end of the through hole, connect negative pressure equipment to the other end of the through hole, let the molten glass tank enter the through hole, cool and solidify.

Embodiment 1

[0033] The metal-clad optical fiber of the present invention includes a core 1, and a metal or alloy layer 2 is coated on the outside of the core 1.

[0034] Preparation:

[0035] A. Fix the glass fiber core with a melting point above 1100°C and a refractive index of 1.5-1.9 in the casting mold or workpiece window;

[0036] B. Pour the molten aluminum into the casting mold or workpiece window in step A, and solidify.

Embodiment 2

[0038] The metal-clad optical fiber of the present invention includes a core 1, and a metal or alloy layer 2 is coated on the outside of the core 1.

[0039] Preparation:

[0040] A. Fix the glass fiber core with a melting point above 1100°C and a refractive index of 1.5-1.9 in the casting mold or workpiece window;

[0041] B. Pour molten copper into the casting mold or workpiece window in step A, and then solidify.

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Abstract

The invention discloses a metal clad optical fiber and a method for preparing the same. The metal clad optical fiber is characterized by comprising a fiber core with a metal or alloy layer coated outside. The method for preparing the metal clad optical fiber includes the steps: A, fixing the fiber core into a casting mould or a workpiece window; and B, pouring molten metal or molten alloy into the casting mould or the workpiece window in the step A to obtain the metal clad optical fiber after solidification. The metal clad optical fiber and the method aim at overcoming the shortcomings of the prior art, and the metal clad optical fiber is simple in structure and applicable to a high-pressure tank or vacuum.

Description

【Technical field】 [0001] The invention relates to a metal-clad optical fiber, and the invention also relates to a method for preparing the metal-clad optical fiber. 【Background technique】 [0002] A common optical cable is an optical fiber covered by several layers of protective structures. The protective structure of the outer layer of the optical fiber can prevent the surrounding environment from harming the optical fiber, such as water, fire, electric shock, etc. Optical cables are divided into: optical fiber, buffer layer and cladding. Fiber optic cables are similar to coaxial cables, but without the mesh shield. In the center is the glass core for light propagation. [0003] In multimode fiber, the diameter of the core is 15 μm to 50 μm, while the diameter of the core of single mode fiber is 8 μm to 10 μm. The core is surrounded by a glass envelope with a lower refractive index than the core, forming a double-layer concentric cylinder with a small cross-sectional ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/02C03C25/46C03B37/01
Inventor 袁芳革
Owner 佛山市顺德区恒昌通信器材有限公司