A process for making a mini optical assembly

Abstract

The application discloses a kind of mini optical assembly manufacturing processes, including raw material, optical substrate installation, tube seat group installation, optical spot method light path, photoelectric light emitting unit installation, axial emission coupling, lateral receiving coupling, according to the light transmission performance of optical filter, packaging and the like steps, two sets of transceiver diodes are collected together and assisted with specific light path design, two emission and two reception can be realized simultaneously, the product collection degree is high, the overall size is small, simple and convenient to install, easy to use, low in use cost, good stability, low failure rate, effectively meet the use requirement.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of communication, and particularly relates to a mini optical assembly manufacturing process with small structure size and convenient installation and use. BACKGROUND

[0002] The optical assembly is widely used in the field of communication. Through a collimator fiber, an optical source enters a light-electricity device. According to the current manufacturing process, the product manufactured can only be used for one light-electricity receiving device and one light-electricity emitting device, that is, one transmitting and one receiving device. The product manufactured by the manufacturing process can meet certain use requirements, but has great defects. In some occasions, more light-electricity devices are needed, and two transmitting and two receiving devices need to be used at the same time. Therefore, two sets of one transmitting and one receiving optical assemblies are needed. The overall size is large, the installation is troublesome, the use is inconvenient, the use cost is high, the stability is poor, the failure rate is high, and the use requirements cannot be effectively met. If a process can meet the use requirements of two transmitting and two receiving devices, the above problems can be effectively solved.

[0003] The technical problem to be solved by the present application is to provide a mini optical assembly manufacturing process which can realize two transmitting and two receiving, has small overall size, is easy to install and use, is convenient to use, has low use cost, has good stability, has low failure rate, and effectively meets use requirements. SUMMARY

[0004] In order to solve the problems in the prior art that the product manufactured needs two sets of one transmitting and one receiving optical assemblies for combined use, has large overall size, is troublesome to install and inconvenient to use, has high use cost, has poor stability, has high failure rate, and cannot effectively meet use requirements, the present application adopts the following technical scheme:

[0005] The application provides a mini optical assembly manufacturing process, comprising the following steps: S1, preparing materials, preparing a first optical device group comprising a collimator optical fiber, two 13° beam splitters, a 13° total reflection piece, an optical substrate, and internally arranging an N-shaped placement area, and a second optical device group comprising two 45° beam splitters, two negative lenses, two 0° filter pieces, a pipe seat group composed of two metal pipe seats, two photoelectric light-emitting units comprising photoelectric light-emitting diodes, pipe bodies, isolators, adjusting rings, two photoelectric receiving diodes, and a metal shielding box; S2, optical substrate installation, placing the collimator optical fiber and the 13° total reflection piece on the upper part of the N-shaped placement area, and placing the two 13° beam splitters on the lower part of the N-shaped placement area; S3, pipe seat group installation, placing the 45° beam splitter in the middle of the internal placement area of the metal pipe seat, placing the negative lens directly below the 45° beam splitter, and placing the 0° filter piece outside the 45° beam splitter; S4, spot method light path light transmission, inputting a light source from the collimator optical fiber, adjusting the relative positions of the optical substrate and the pipe seat group to make the light path run along the predetermined direction, and fixing the pipe seat group at the bottom of the optical substrate; S5, photoelectric light-emitting unit installation, welding the photoelectric light-emitting diode on the pipe body, coupling the isolator through photoelectric conversion, determining the direction of the isolator, and bonding the isolator and the photoelectric light-emitting diode together; S6, axial emission coupling, coupling the photoelectric light-emitting unit capable of emitting corresponding light wavelengths with the pipe seat group according to the light transmission performance requirements of the beam splitter, adjusting the focal length through the adjusting ring, and welding the photoelectric light-emitting unit and the metal pipe seat together; S7, lateral receiving coupling, inputting corresponding wavelength light sources from the collimator optical fiber according to the light transmission performance of the filter piece, respectively photoelectrically coupling the photoelectric receiving diodes at two receiving positions and welding and fixing them; and S8, packaging, packaging the whole device into the metal shielding box after the coupling is completed, and only exposing the pins of several diodes and the connector of the collimator optical fiber.

[0006] The application has the advantages that two sets of receiving and transmitting diodes are combined together and assisted by specific light path design to realize simultaneous use of two transmitting and two receiving, the manufactured product has high combination degree, small overall size, simple and convenient installation, convenient use, low use cost, good stability, low failure rate, and effectively meets the use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is a schematic diagram of step S2 in the application.

[0008] Figure 2 It is a schematic diagram of step S3 in the application.

[0009] Figure 3 It is a schematic diagram of step S4 in the application.

[0010] Figure 4 It is a schematic diagram of step S5 in the application.

[0011] Figure 5 is a schematic diagram of step S6 in the present application.

[0012] Figure 6 is a schematic diagram of step S7 in the present application.

[0013] Figure 7 is a schematic diagram of step S8 in the present application. DETAILED DESCRIPTION

[0014] The preferred embodiment of the present application is described in detail below with reference to the accompanying drawings.

[0015] A mini optical assembly manufacturing process comprises the following steps: S1, preparing materials, preparing a first optical device group comprising a collimator optical fiber, two 13° beam splitters, a 13° total reflection piece, an optical substrate, and internally arranging an N-shaped placement area, a second optical device group comprising two 45° beam splitters, two negative lenses, two 0° filter pieces, a pipe seat group composed of two metal pipe seats, and two photoelectric light-emitting units comprising photoelectric light-emitting diodes, pipe bodies, isolators, adjusting rings, two photoelectric receiving diodes, and a metal shielding box; S2, installing the optical substrate, as shown in Figure 1 , placing the collimator optical fiber and the 13° total reflection piece in the upper part of the N-shaped placement area, and placing the two 13° beam splitters in the lower part of the N-shaped placement area; S3, installing the pipe seat group, as shown in Figure 2 , placing the 45° beam splitter in the middle of the internal placement area of the metal pipe seat, placing the negative lens directly below the 45° beam splitter, and placing the 0° filter piece outside the 45° beam splitter; S4, passing light in the optical path by the spot method, as shown in Figure 3 , inputting the light source from the collimator optical fiber, adjusting the relative positions of the optical substrate and the pipe seat group to make the light path run along the predetermined direction, and then fixing the pipe seat group at the bottom of the optical substrate; S5, installing the photoelectric light-emitting unit, as shown in Figure 4 , welding the photoelectric light-emitting diode on the pipe body, optically coupling the isolator through photoelectric conversion, determining the direction of the isolator, and bonding the isolator and the photoelectric light-emitting diode together; S6, axial emission coupling, as shown in Figure 5 , coupling the photoelectric light-emitting unit capable of emitting light of a corresponding wavelength with the pipe seat group according to the light transmission performance requirements of the beam splitter, adjusting the focal length through the adjusting ring, and welding the photoelectric light-emitting unit and the metal pipe seat together; S7, lateral receiving coupling, as shown in Figure 6 , inputting the light source of a corresponding wavelength from the collimator optical fiber according to the light transmission performance of the filter, and respectively optically coupling and welding the photoelectric receiving diode at two receiving positions; S8, packaging, as shown in Figure 7 , after the coupling is completed, the entire device is installed in the metal shielding box, and only the pins of several diodes and the connector of the collimator optical fiber are exposed.

[0016] The application has the advantages that two sets of receiving and transmitting diodes are assembled together and a specific light path design is used, so that two transmitting and two receiving can be used simultaneously, the product has high assembly degree, small overall size, simple installation, convenient use, low use cost, good stability, low failure rate and effectively meets the use requirements.

[0017] The above examples are not limited to the product form and style of the application, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the scope of the patent of the application.

Claims

1. A manufacturing process for a miniature optical component, characterized in that, Includes the following steps: S1. Material preparation: Prepare the first optical component group, including a collimator fiber, two 13° beam splitters, a 13° total reflector, an optical substrate with an N-shaped placement area inside; the second optical component group, including two 45° beam splitters, two negative lenses, two 0° filters, a tube socket assembly consisting of two metal tube sockets, two photoelectric light-emitting units including photodiodes, tube bodies, isolators, adjustment rings, two photodiodes, and a metal shielding box; S2. Optical substrate installation: Place the collimator fiber and 13° total reflector on the upper part of the N-shaped placement area, and place the two 13° beam splitters on the lower part of the N-shaped placement area; S3. Tube socket assembly installation: Place the 45° beam splitter in the center of the placement area inside the metal tube socket, place the negative lens directly below the 45° beam splitter, and place the 0° filter outside the 45° beam splitter; S4. Light path illumination: Input the light source from the collimator fiber and illuminate the light path. S5. Adjust the relative position of the optical substrate and the tube socket assembly so that the light path passes through in the predetermined direction, and then fix the tube socket assembly to the bottom of the optical substrate; S6. Install the photoelectric light-emitting unit, weld the photoelectric light-emitting diode to the tube body, and then determine the direction of the isolator by photoelectric conversion coupling, and then bond the isolator and the photoelectric light-emitting diode together; S7. Axial emission coupling, according to the light transmission performance requirements of the beam splitter, couple the photoelectric light-emitting unit that can emit the corresponding light wavelength to the tube socket assembly, adjust the focal length by adjusting the adjustment ring, and weld the photoelectric light-emitting unit to the metal tube socket; S8. Lateral receiving coupling, according to the light transmission performance of the filter, input the corresponding wavelength light source from the collimator fiber, and photoelectric receiving diodes are photoelectrically coupled at two receiving positions and welded and fixed; S9. Packaging, after coupling, put the whole device into the metal shielding box, with only a few diode pins and collimator fiber connectors exposed.

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