CN219349217U

CN219349217U - Optical cable structure for realizing ultra-high ultraviolet transmission efficiency

Info

Publication number: CN219349217U
Application number: CN202320713576.7U
Authority: CN
Inventors: 田攀; 王天华; 沃尔夫冈·诺伊博格
Original assignee: Zhejiang Sairuiou Optoelectronics Co ltd
Current assignee: Zhejiang Sairuiou Optoelectronics Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-14
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to an optical cable structure for realizing ultra-high ultraviolet transmission efficiency, which comprises an ultraviolet quartz optical fiber, wherein the ultraviolet quartz optical fiber comprises a quartz core layer, a quartz cladding layer, a black airtight carbon layer and a coating layer, the quartz cladding layer is wrapped outside the quartz core layer, the black airtight carbon layer is wrapped outside the quartz cladding layer, the coating layer is wrapped outside the black airtight carbon layer, and the structure transmits light energy and signals through the ultraviolet quartz optical fiber. The optical cable structure for realizing the ultra-high ultraviolet transmission efficiency realizes ultra-high ultraviolet transmission under the use condition of ultra-low ultraviolet wavelength, has excellent radiation resistance, ultra-low loss, ultra-high transmission efficiency, ultra-low ultraviolet aging characteristic and ultra-low quartz optical fiber containing a closed carbon layer and excellent radiation resistance.

Description

Optical cable structure for realizing ultra-high ultraviolet transmission efficiency

Technical Field

The utility model relates to the field of ultra-low ultraviolet wavelength, in particular to the field of optical fibers, and particularly relates to an optical cable structure for realizing ultra-high ultraviolet transmission efficiency.

Background

Wavelengths even lower in the range of 180nm to 325nm are referred to as the ultra-low ultraviolet band. Ultraviolet radiation is quite intense in this band, known as the sun effect. The common UV-UV quartz optical fiber can transmit under the wave band, but the initial ATT attenuation loss is larger, meanwhile, due to the very strong sun-curing effect, the attenuation of the common UV-UV optical fiber is increased on the original basis in a very short time, and the ATT attenuation loss is larger and larger along with the longer and longer time until the high-hydroxyl core layer is completely destroyed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an optical cable structure which meets the characteristics of ultra-low loss, ultra-high transmission efficiency and ultra-low ultraviolet aging and realizes the ultra-high ultraviolet transmission efficiency.

In order to achieve the above object, the optical cable for realizing the ultra-high ultraviolet transmission efficiency of the present utility model has the structure as follows:

the optical cable structure for realizing the ultra-high ultraviolet transmission efficiency is mainly characterized by comprising an ultraviolet quartz optical fiber, wherein the ultraviolet quartz optical fiber comprises a quartz core layer, a quartz cladding layer, a black airtight carbon layer and a coating layer, the quartz cladding layer is wrapped outside the quartz core layer, the black airtight carbon layer is wrapped outside the quartz cladding layer, the coating layer is wrapped outside the black airtight carbon layer, and the structure transmits light energy and signals through the ultraviolet quartz optical fiber.

Preferably, the structure also comprises an optical cable inner PVC protective layer, an optical cable inner Kevlar protective layer and an optical cable outer metal stainless steel protective armor, wherein the optical cable inner PVC protective layer is wrapped outside the ultraviolet quartz optical fiber, and the optical cable inner PVC protective layer and the optical cable inner Kevlar protective layer are wrapped inside the optical cable outer metal stainless steel protective armor.

Preferably, the structure further comprises a connector outer metal bending protective sleeve, and the connector outer metal bending protective sleeve is arranged at one end of the structure and outside the optical cable outer metal stainless steel protective armor.

Preferably, the structure further comprises an SMA905 connector, and the SMA905 connector is installed at one end of the uv quartz optical fiber.

Preferably, the structure further comprises an FC/PC connector, and the FC/PC connector is arranged at the other end of the ultraviolet quartz optical fiber.

The optical cable structure for realizing the ultra-high ultraviolet transmission efficiency realizes ultra-high ultraviolet transmission under the use condition of ultra-low ultraviolet wavelength, has excellent radiation resistance, ultra-low loss, ultra-high transmission efficiency, ultra-low ultraviolet aging characteristic and ultra-low quartz optical fiber containing a closed carbon layer and excellent radiation resistance.

Drawings

Fig. 1 is a schematic view of an optical cable structure for realizing ultra-high ultraviolet transmission efficiency according to the present utility model.

Fig. 2 is a schematic view of view a in fig. 1.

Fig. 3 is a schematic view of view B in fig. 1.

Fig. 4 is a schematic view showing initial attenuation of an ultraviolet quartz fiber and a general UV quartz fiber of an optical cable structure for realizing ultra-high ultraviolet transmission efficiency according to the present utility model in a deep ultraviolet band.

Fig. 5 is a schematic view showing ultraviolet aging rates of an ultraviolet quartz fiber and a general UV quartz fiber of an optical cable structure for realizing ultra-high ultraviolet transmission efficiency according to the present utility model.

FIG. 6 is a schematic diagram of an ultraviolet quartz fiber of the present utility model.

Reference numerals:

1 SMA905 joint

2. Metal bending protective sleeve outside joint

3 FC/PC connector

4. Optical cable external metal stainless steel protection armor

5. PVC protective layer in optical cable

6. Kevlar protective layer in optical cable

7. Product label

8. Quartz core layer

9. Quartz cladding

10. Black closed carbon layer

11. Coating layer

Detailed Description

In order to more clearly describe the technical contents of the present utility model, a further description will be made below in connection with specific embodiments.

The optical cable structure for realizing the ultra-high ultraviolet transmission efficiency comprises an ultraviolet quartz optical fiber, wherein the ultraviolet quartz optical fiber comprises a quartz core layer, a quartz cladding layer, a black airtight carbon layer and a coating layer, the quartz cladding layer is wrapped outside the quartz core layer, the black airtight carbon layer is wrapped outside the quartz cladding layer, the coating layer is wrapped outside the black airtight carbon layer, and the structure transmits light energy and signals through the ultraviolet quartz optical fiber.

As the preferred implementation mode of the utility model, the structure also comprises an optical cable inner PVC protective layer, an optical cable inner Kevlar protective layer and an optical cable outer metal stainless steel protective armor, wherein the optical cable inner PVC protective layer is wrapped outside the ultraviolet quartz optical fiber, and the optical cable inner PVC protective layer and the optical cable inner Kevlar protective layer are wrapped inside the optical cable outer metal stainless steel protective armor together.

As a preferred embodiment of the utility model, the structure further comprises a connector outer metal bending protective sleeve which is arranged at one end of the structure and is arranged outside the optical cable outer metal stainless steel protective armor.

As a preferred embodiment of the utility model, the structure further comprises an SMA905 connector, wherein the SMA905 connector is arranged at one end of the ultraviolet quartz optical fiber.

As a preferred embodiment of the utility model, the structure further comprises an FC/PC connector, and the FC/PC connector is arranged at the other end of the ultraviolet quartz optical fiber.

In the specific embodiment of the utility model, the disclosed quartz optical fiber containing the airtight carbon layer and resisting ultraviolet radiation is a perfect solution for solving the existing problems, the attenuation loss of the initial ATT is far smaller than that of the common UV optical fiber, the loss is not obviously reduced after long-time sun-curing effect under the deep ultraviolet band, and the key point is that the situation is not serious due to time lapse. All this is due to the special core and the closed carbon layer outside the cladding of the fiber. The special airtight carbon layer not only can enable the optical fiber to have ultra-high ultraviolet transmission in a deep ultraviolet band and ultra-strong sun-proof effect, but also can isolate radiation of external environment.

The working principle of the wide-spectrum optical cable is to transmit energy and signals by utilizing the theory that light can be totally reflected in an optical fiber.

The structure of the optical fiber is a quartz core layer (any size), a quartz cladding layer (any size), a black closed carbon layer and a coating layer (polyimide), and the numerical aperture (0.12-0.28 is optional), so that special scene uses of any combination mode for meeting different requirements are provided.

In specific use, the optical fiber can be matched with connectors such as SMA905, FC/PC and the like to form different optical cables, a customer can directly use the optical fiber by inserting the connector into a laser transmitter, and laser can be conducted along with an optical fiber bundle.

As shown in fig. 1, the optical cable is a component diagram of an optical cable, which is made of optical fibers as raw materials and connectors and protective tubes at both ends. Since the fiber is inside the cable, the uv quartz fiber containing the hermetic carbon layer is not shown in fig. 1.

As shown in fig. 4, the UVNSS silica fiber containing the hermetic carbon layer is clearly depicted as being several orders of magnitude smaller than the initial attenuation of a conventional UV silica fiber in the deep ultraviolet band, wherein gray lines represent the hermetic carbon layer UV silica fiber. As shown in fig. 5, the clear fit shows the ultra-low UV aging rate and much stronger stability of the product than the conventional UV fiber under the intense sun effect, wherein the blue line represents the closed carbon layer UV quartz fiber.

The SMA905 joint, the joint outer metal bending protective sleeve, the FC/PC joint, the optical cable outer metal stainless steel protective armor, the optical cable inner PVC protective layer, the optical cable inner Kevlar protective layer and the product label of the structure, wherein the SMA905 joint can be any joint, such as FC/PC, FC/APC or various nonstandard joints, and the FC/PC joint can be any joint, such as SMA905, FC/APC or various nonstandard joints.

FIG. 6 is a schematic diagram of an ultraviolet quartz fiber according to the present utility model, wherein Silica glass core represents Dan Yingxin layers, fluoro-dopes silica cladding Fluorine doped quartz cladding, hermetic carbon layer represents a hermetic carbon layer, and Jaccket polyimide represents a polyimide coating.

The specific implementation manner of this embodiment may be referred to the related description in the foregoing embodiment, which is not repeated herein.

It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.

It should be noted that in the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means at least two.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In this specification, the utility model has been described with reference to specific embodiments thereof. It will be apparent, however, that various modifications and changes may be made without departing from the spirit and scope of the utility model. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims

1. The optical cable structure is characterized by comprising an ultraviolet quartz optical fiber, wherein the ultraviolet quartz optical fiber comprises a quartz core layer, a quartz cladding layer, a black airtight carbon layer and a coating layer, the quartz cladding layer is wrapped outside the quartz core layer, the black airtight carbon layer is wrapped outside the quartz cladding layer, the coating layer is wrapped outside the black airtight carbon layer, and the structure transmits light energy and signals through the ultraviolet quartz optical fiber.

2. The optical cable structure for realizing ultra-high ultraviolet transmission efficiency according to claim 1, further comprising an optical cable inner PVC protective layer, an optical cable inner Kevlar protective layer and an optical cable outer metal stainless steel protective armor, wherein the optical cable inner PVC protective layer is wrapped outside the ultraviolet quartz optical fiber, and the optical cable inner PVC protective layer and the optical cable inner Kevlar protective layer are wrapped inside the optical cable outer metal stainless steel protective armor.

3. The fiber optic cable structure for achieving ultra-high ultraviolet transmission efficiency of claim 2, further comprising a splice outer metallic bend protection sleeve mounted at one end of the structure and mounted outside the fiber optic cable outer metallic stainless steel protective armor.

4. The fiber optic cable structure of claim 1, further comprising an SMA905 joint, said SMA905 joint being mounted at one end of an ultraviolet quartz fiber.

5. The fiber optic cable structure for achieving ultra-high ultraviolet transmission efficiency as claimed in claim 3, further comprising an FC/PC connector mounted at the other end of the ultraviolet quartz fiber.