Cylindrical lens coupling three-dimensional adjusting structure
A three-dimensional adjustment and cylindrical lens technology, applied in the field of machinery, can solve problems such as difficult adjustment of cylindrical lenses, and achieve the effects of compact structure, improved work efficiency and exquisite structure
Active Publication Date: 2015-07-15
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology
[0003] It is difficult to adjust the cylindrical lens during the coupling process. The traditional adjustment method uses external tools to adjust, and then uses glue to fix the coupling to achieve coupling. It only guarantees the coupling under a single optical path. When other factors change and the optical path changes, fix it. The cylindrical lens coupling system is not easy to change
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[0021] see Figure 1-Figure 4 As shown, the present invention provides a cylindrical lens coupling three-dimensional adjustment structure, including:
[0022] An outer frame 1, which is a square frame;
[0023] A first inner frame 2, which is a frame body with an opening on one side, and is located in the outer frame 1 so as to be movable up and down;
[0024] Wherein the upper side of the outer frame 1 has an adjusting screw 7 for adjusting the position of the first inner frame 2 up and down. There are multiple springs on the lower side between the outer frame 1 and the first inner frame 2, and the number of springs on each side in this embodiment is two.
[0025] The adjusting screw 7 is in direct contact with the first inner frame 2, when the adjusting screw 7 is turned, the first inner frame 2 moves along the direction of the adjusting screw 7 on the outer frame 1;
[0026] A second inner frame 3, which is a square frame, which is located in the first inner frame 2;
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A cylindrical lens coupling three-dimensional adjustment structure, comprising: an outer frame, a first inner frame, which is located in the outer frame; a second inner frame, which is located in the first inner frame; a base body, which has an oblique recess , the base body is fixed in the second inner frame; an adjustment structure includes: a first cylindrical lens holder, a square hole for placing the lens is opened on its end surface, and a protrusion is fixed on the side wall; a second cylindrical lens holder, its There is a rectangular hole for placing the lens on the end surface, and a protrusion is fixed on the side wall; a first adjustment rod, one end of which is an I-shaped annular groove, which is inserted into the adjustment hole of the recess on the base body, and the I-shaped The ring groove is clamped on the protrusion of the first column lens holder; a second adjusting rod, one end of which is an I-shaped ring groove, which is inserted into the recessed adjustment hole on the substrate, and the I-shaped ring groove is clamped On the protrusion of the second post lens holder. The utility model is used for adjusting two cylindrical lenses during optical coupling, and realizes three-dimensional adjustment of the two cylindrical lenses through an adjusting nut, and has the advantages of improving work efficiency, compact structure, and delicate structure.
Description
technical field [0001] The invention belongs to the field of machinery, and in particular refers to a cylindrical lens coupling three-dimensional adjustment structure, which is used for optical coupling, through three-dimensional adjustment of two cylindrical lenses, so that the optical path passes through the two cylindrical lenses at the same time to realize the coupling of the optical path. Background technique [0002] Cylindrical lens coupling is widely used in optics to adjust the position of the cylindrical lens to ensure that the light path passes through the center of the cylindrical lens to achieve the minimum power loss when light passes through the cylindrical lens. [0003] It is difficult to adjust the cylindrical lens during the coupling process. The traditional adjustment method uses external tools to adjust, and then fixes it with glue to achieve coupling. It only guarantees the coupling under a single optical path. When other factors change and the optical p...
Claims
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IPC IPC(8): G02B7/02
Inventor 林学春曲研王宝华张志研牛奔南景洋
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI