TWI668477B - Flexible board optical line device - Google Patents

Abstract

A flexible optical fiber line device comprising: a substrate made of a material having bending elasticity, at least one light passive component disposed on the substrate, and a plurality of wires disposed on the same surface as the at least one light passive component optical fiber. The fibers are interlaced with each other and form an optical path system with the at least one optical passive component. A portion of the optical fibers are coupled to the at least one optical passive component to provide a corresponding passive processing effect to the passed optical signals, and the integrated operation of the at least one optical passive component is modularly integrated on the substrate.

Description

Flexible board optical line device

The present invention relates to an optical fiber line device, and more particularly to a flexible board fiber line device.

Referring to FIG. 1 , a conventional flexible optical fiber line device 1 includes a substrate 11 made of a material having a bending elasticity, and a plurality of optical fibers 12 pre-arranged on the substrate 11 to form a complete optical path. And a plurality of joints 13 connected to the optical fibers 12 according to the optical paths completed by the configuration. Through the flexible optical fiber line device 1, complicated optical path configuration can be completed in advance by using an automatic device, and the configuration of the optical fiber network can be efficiently performed by using the connector 13 to be connected to the corresponding communication device at the construction site.

The optical passive component has various functions, and can generate functions of coupling optical signals, forming branch lines, blocking protection light sources, etc. In addition to simplifying the configuration of the optical path, the degree of freedom of the optical path can be further improved, and the functionality of the entire optical path system can be improved. . However, the optical passive component is usually a module body that is directly inserted into the optical fiber line. Therefore, how to integrate the optical splitting mechanism on the flexible optical fiber line device 1 becomes a breakthrough in the configuration technology of the flexible optical fiber line. The essential.

Accordingly, it is an object of the present invention to provide a soft-board optical fiber line device in which a passive passive element is disposed and which has a passive processing function corresponding to the optical signal.

Therefore, the flexible optical fiber line device of the present invention comprises a substrate made of a material having bending elasticity and having two surfaces respectively on opposite sides, and at least one light passive element disposed on one surface of the substrate. And a plurality of optical fibers disposed on the same surface as the at least one optical passive component and interleaved to form an optical path system.

A portion of the fibers are coupled to the at least one optical passive component.

The effect of the present invention is that the optical signals transmitted in the optical path system formed by the optical fibers can transmit the passive effect of the light through the at least one optical passive component through the connection relationship between the optical fibers and the at least one optical passive component. The process also modularly integrates the effect of the at least one light passive component on the substrate.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 2 and FIG. 3, a first embodiment of the flexible optical fiber line device of the present invention comprises a substrate 2 made of a material having bending elasticity and having two surfaces 21 on opposite sides, respectively. The light passive elements 3 on one of the surfaces 21 of the substrate 2, and a plurality of optical passive elements 3 disposed on the same surface 21 as the optical passive elements 3 are interleaved to form an optical fiber 4 of an optical path system.

Referring to FIG. 2 to FIG. 4 , the optical passive component 3 includes a housing 30 defined by an inner chamber 300 and made of a metal material, and an active component 31 disposed in the inner chamber 300. The connecting optical fiber line 32 of the active component 31 for transmitting the optical signal, and the heat shrink sleeve 33 and the second defining a protective area 330 for receiving the active component 31 are respectively fixed at opposite ends of the active component 31 and The encapsulant 34 for positioning the protective member 330 to position the active component 31, and a filling silicone 35 filled in the inner chamber 300 for fixing the heat shrink sleeve 33. The active member 31 is a glass substrate, and the connecting optical fiber 32 is fixed.

It should be particularly noted that since the outer casing 30 mainly has a protective effect on the acting member 31, in addition to the metal material, other materials such as a glass material, a heat shrinkable sleeve, or the like can be used, as long as it is easy to assemble and manufacture. And a certain protective effect can be achieved, and is not limited to the above materials.

A part of the optical fibers 4 is connected to opposite ends of the connecting optical fiber line 32. Since the connecting optical fiber line 32 has two sub-wire portions 321, the optical passive component 3 of the first embodiment, that is, a coupler is generated. Passive light processing.

Referring to FIG. 5 and FIG. 6 , a second embodiment of the flexible optical fiber line device of the present invention is different from the first embodiment in that the active component 31 of the optical passive component 3 is capable of A multiplexer that couples multiple signal wavelengths to one fiber 4, or a demultiplexer (CWDM/DWDM) that can decompose a coupled signal wavelength into multiple signals. Therefore, through the active component 31, the plurality of optical fibers 4 are transmitted to the signal coupling of the connecting optical fiber 32 as shown in FIG. 5, and are output from the other end of the connecting optical fiber 32 by a single optical fiber 4; As shown in Fig. 6, the signal input to the connecting optical fiber line 32 through a single optical fiber 4 is demultiplexed, and the plurality of optical fibers 4 connected via the other end of the connecting optical fiber line 32 are outputted. By the multiplexing and multiplexing effect exerted by the second embodiment, the configuration of the optical path system can be more liberalized, and the effect of splitting or coupling can be transmitted, and part of the unnecessary configuration can be saved under the same transmission configuration. optical fiber.

Referring to FIG. 7, a third embodiment of a flexible optical fiber line device according to the present invention is different from the first embodiment in that the active component 31 is an optical isolator capable of preventing reflection of light passing therethrough. (Isolator). The optical isolator prevents the transmitted optical signal from being reflected, and even returns to the light source that emits the optical signal to cause the light source to be damaged. Through the third embodiment, it is possible to arrange at a desired position to achieve the effect of protecting the light source.

Referring to FIG. 8, a fourth embodiment of a flexible optical fiber line device according to the present invention is different from the first embodiment in that the active component 31 has three circulator portions 311 and three separate portions. Immediately adjacent to the fiber grating portion 312 disposed downstream of the circulator portions 311. Through the circulators 311, the optical signals coupled by the plurality of wavelengths can be respectively matched with the fiber grating portions 312 having different wavelengths to separate the optical signals of different wavelengths, so that the light output from the other end of the optical fiber 32 is connected. The signal is only a single wavelength optical signal.

Referring to FIG. 9, a fifth embodiment of a flexible optical fiber line device according to the present invention is different from the first embodiment in that the active component 31 of the optical passive component 3 has an erbium doped fiber portion. 313. Two pumping lasers 314 connected to opposite ends of the erbium-doped fiber portion 313, and two isolators connected to opposite ends of the erbium-doped fiber portion 313 and connected in parallel with the pumping laser portions 314. Part 315. That is, the optical passive component 3 of the fifth embodiment is an erbium doped fiber amplifier (EDFA), and after absorbing the energy of the pumping laser portions 314, the absorbed energy is converted into an optical signal. Output the effect of the amplified light signal.

It should be particularly noted that the first embodiment to the fifth embodiment of the present invention can be selectively arranged on the same substrate 2 according to the requirements of the optical path configuration, and connected in series or in parallel to form a modular soft. Board fiber line device. The selection of each embodiment is not limited to a single one, and an appropriate number may be selected according to the requirements of the optical path configuration, and the optical fibers 4 are disposed in an appropriate position.

In summary, the flexible optical fiber line device of the present invention can generate a plurality of passive effects of light transmission through the at least one light passive component 3 by integrating the at least one light passive component 3 on the substrate 2, and can Since the modular optical path system having the optical passive processing effect is disposed on the substrate 2 in advance, the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

2‧‧‧Substrate

21‧‧‧ surface

3‧‧‧Light passive components

30‧‧‧Shell

300‧‧‧ inner chamber

31‧‧‧Action parts

311‧‧ Circulators

312‧‧‧ Fiber grating

313‧‧‧Doped Fiber Division

314‧‧‧Pump Laser Department

315‧‧‧Isolator Department

32‧‧‧Connected fiber optic cable

321‧‧‧Subline Department

33‧‧‧Heat shrink sleeve

330‧‧‧Protected areas

34‧‧‧Package

35‧‧‧filled silicone

4‧‧‧Fiber

Other features and advantages of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a plan view showing a conventional soft-board fiber-optic line device; FIG. 2 is a perspective view showing the softness of the present invention. FIG. 3 is a cross-sectional view showing a light passive component of the first embodiment; FIG. 4 is a cross-sectional view different from the angle of FIG. 3, illustrating the optical passive component and the first FIG. 5 is a schematic view showing a second embodiment of the flexible optical fiber line device of the present invention, and the function of the second embodiment; FIG. 6 is a schematic diagram illustrating the first FIG. 7 is a schematic view showing a third embodiment of the flexible optical fiber line device of the present invention and the function of the third embodiment; FIG. 8 is a schematic view showing the softness of the present invention; A fourth embodiment of the optical fiber line device, and a functional component of the optical passive component; and FIG. 9 is a schematic view showing a fifth embodiment of the flexible optical fiber line device of the present invention, and the optical passive The active component of the component.

Claims (7)

A flexible optical fiber line device comprising: a substrate made of a material having a bending elasticity and having two surfaces respectively on opposite sides; at least one light passive element disposed on one of the surfaces of the substrate, And including a housing defining an inner chamber, an active component disposed in the inner chamber, a connecting optical fiber disposed in the active component for transmitting optical signals, and defining a functional component a heat shrink sleeve of the accommodating protection area, two sealants respectively fixed at opposite ends of the active component and configured to close the protective area to position the active component, and a filling in the inner cavity and fixing the same a filler of the heat shrink sleeve; and a plurality of optical fibers disposed on the same surface as the at least one light passive component and interleaved with each other to form an optical path system, a portion of the optical fibers being coupled to the at least one optical passive component. The flexible optical fiber line device of claim 1, wherein the active component of the at least one optical passive component is a glass substrate, and the connecting optical fiber of the at least one optical passive component is embedded in the glass substrate, and There are two sub-line portions side by side. The soft-board optical fiber line device of claim 1, wherein the active component of the at least one optical passive component is a multiplexer capable of coupling a plurality of signal wavelengths to one optical fiber, or capable of decomposing a coupled signal wavelength For a plurality of signal demultiplexers, one end of the connecting fiber line is connected to a plurality of fibers. The soft-board optical fiber line device of claim 1, wherein the at least one light The active component of the passive component is an optical isolator that prevents reflection of light passing therethrough. The soft-board optical fiber line device of claim 1, wherein the active component of the at least one optical passive component has three circulator portions, and three fiber grating portions disposed immediately downstream of the circulator portions. The soft-board optical fiber line device of claim 1, wherein the active component of the at least one optical passive component has an erbium-doped fiber portion, and a pumping laser portion connected to opposite ends of the erbium-doped fiber portion, and And an isolator portion connected to opposite ends of the erbium-doped fiber portion and connected in parallel with the pumping laser portions. The flexible optical fiber line device of claim 1, wherein the outer casing of the at least one light passive component is made of a metal material, a glass material, or a heat shrinkable sleeve.