Two-piece type shell structure of optical submodule and assembling method
An optical sub-module and housing structure technology, applied in the coupling of optical waveguides, etc., can solve problems such as increasing production management, material preparation and assembly process complexity and difficulty, increasing production costs, and dragging down production efficiency.
Active Publication Date: 2011-05-11
TRUE LIGHT
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Problems solved by technology
This assembly method not only increases the complexity and difficulty of production management, material preparation, and assembly process, but also drags down production efficiency and indirectly increases production costs, and needs further improvement
Method used
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[0021] In order to more clearly describe the two-piece housing structure of the optical sub-module proposed by the present invention and its assembly method, the following will be described in detail with reference to the drawings.
[0022] see figure 2 Shown is a cross-sectional schematic view of an embodiment of the optical sub-module with a two-piece housing of the present invention. The optical sub-module 20 includes a two-piece housing 30 and a laser functional element 40, which can be combined with an external optical fiber or optical fiber connector 50 to transmit optical signals. In this embodiment, the laser functional element 40 can be an existing laser light source, light receiver, or a two-way (duplex) functional element with a laser light source and a light receiver at the same time, which includes: A base 41 and a cover 42 are combined on a first surface 411 (upper surface) of the base 41, at least one functional chip 43 is arranged on the first surface 411 of ...
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The invention discloses a two-piece type shell structure of an optical submodule and an assembling method. The two-piece type shell structure can be used for combining a laser functional element and an optical fiber and comprises an optical fiber fixing seat and a functional element fixing seat. The optical fiber fixing seat is provided with an axial central perforated hole; one end of the central perforated hole is provided with an optical fiber insertion hole, and the other end is provided with a first sleeve ring. The functional element fixing seat is provided with a second sleeve ring, and one end of the second sleeve ring is sleeved with the first sleeve ring in a mutual moving mode and can move linearly along an axial direction. The other end of the second sleeve ring comes into contact with the surface of a base of the laser functional element and can move in a direction vertical to the two-dimensional direction of the axial direction. Accordingly, when the optical submodule is assembled, the focusing operation in a three-dimensional direction can be carried out so as to simplify the production management, material preparation and assembly process, improve the production efficiency and lower the production cost.
Description
technical field [0001] The invention relates to a two-piece housing structure of an optical sub-module and an assembly method thereof, in particular to a two-piece housing structure of an optical sub-module capable of adjusting the optical focal length of a laser functional element in a three-dimensional direction and its assembly method. Background technique [0002] The optical sub-module (OSA, Transceiver Optical Sub-Assembly) in the field of optoelectronic communication can be roughly divided into the transmitter optical sub-module TOSA (Transmitter Optical Sub-Assembly) and the receiver optical sub-module according to the different functional components. There are two kinds of ROSA (Receiver Optical Sub-Assembly). Among them, TOSA is to provide the optical path from the functional element to the optical fiber, such as from the semiconductor laser element to the optical fiber, or from the light emitting diode element to the optical fiber, so that the electrical signal (...
Claims
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IPC IPC(8): G02B6/42
Inventor 林大琮何宗佑游允正
Owner TRUE LIGHT