CN106908915A - Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor - Google Patents

Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor Download PDF

Info

Publication number
CN106908915A
CN106908915A CN201710084501.6A CN201710084501A CN106908915A CN 106908915 A CN106908915 A CN 106908915A CN 201710084501 A CN201710084501 A CN 201710084501A CN 106908915 A CN106908915 A CN 106908915A
Authority
CN
China
Prior art keywords
substrate
optical fiber
array
optical
condenser
Prior art date
Application number
CN201710084501.6A
Other languages
Chinese (zh)
Inventor
钱福琦
刘鹤
周听飞
Original Assignee
深圳市鹏大光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市鹏大光电技术有限公司 filed Critical 深圳市鹏大光电技术有限公司
Priority to CN201710084501.6A priority Critical patent/CN106908915A/en
Publication of CN106908915A publication Critical patent/CN106908915A/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206Optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4296Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources

Abstract

The invention discloses a hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and a manufacture method therefor. The hemisphere self-focusing lens optical fiber array comprising a substrate, a cover plate and a plurality of optical fibers is made via substrate processing, light condensing body welding, optical fiber assembling, light condensing body grinding and the like; the substrate comprises a front segment of the substrate and a rear segment of the substrate, an upper surface of the front segment of the substrate is higher than an upper surface of the rear segment of the substrate, the upper surface of the front segment of the substrate is provided with a plurality of V-shaped grooves corresponding to the plurality of optical fibers in a one-to-one manner, each optical fiber is arranged in a corresponding V-shaped groove, a section of light condensing body is welded on an end face of each optical fiber after each optical fiber extends outward in a forward direction from the front segment of the substrate, the cover plate is arranged on the front segment of the substrate, the cover plate and each V-shaped groove form an accommodating space for fixing the optical fibers through enclosure, the light condensing body comprises an optical plane and an arc spherical surface, the optical plane forms an included angle ranging from 30 degrees to 60 degrees with a bottom face of the substrate, and the arc spherical surface is used for connecting the optical plane and a bottom face of the light condensing body. Compared with conventional technologies, the array and the manufacture method therefor are advantaged by high optical coupling efficiency, low cost and the like.

Description

用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列及其制造方法 VSCEL hemisphere or PIN for self-focusing lens array coupled to the optical fiber arrays and manufacturing method thereof

技术领域 FIELD

[0001] 本发明涉及光通信技术领域,尤其涉及一种用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列及其制造方法。 [0001] Technical Field The present invention relates to optical communications, and particularly relates to a method for the hemisphere or PIN VSCEL selfoc lens array coupled to an optical fiber array manufacturing method thereof.

背景技术 Background technique

[0002] 随着经济时代的发展,通信领域在人们的生活中占据着越来越重要的地位,而且人们已经不再满足于传输速率低、传输能力弱的通信传输,而开始不断改进光纤传输这种传输方式,在这种不断的改进当中,通信领域的光纤技术越来越成熟。 [0002] With the development of economy, communications occupy in people's lives more and more important role, but people are no longer satisfied with low transmission speed, weak communication transmission, optical fiber transmission began to improve this method of transmission, which in this continuous improvement, optical fiber communications and more mature art.

[0003] VCSEL和PIN的出射光垂直于安装的电路板表面,这对于器件的封装和应用都不大方便。 [0003] surface of the board VCSEL and PIN outgoing light perpendicular to the mounting, which is not convenient for large packaging and application of the device. 最简单的光接口是将光纤与VCSEL和PIN对接,激光器的出射光直接进入光纤,不经过其他中间元件,这样的耦合方式称为垂直耦合。 The simplest optical interface with an optical fiber is butt VCSEL and PIN, the laser light emitted directly into the fiber, without passing through other intermediate element, such a coupling is called vertical coupling. 垂直耦合由于光的反射导致速率不能太高, 另外,由于是垂直耦合,光纤与PCB成垂直形状,导致光模块的体积增大。 Vertical coupling due to the reflection of the light causes the rate is not too high, Further, since the vertical coupling, the fiber shape perpendicular to the PCB, resulting in an increase in the volume of the optical module. 现在一般的耦合方式是将光纤阵列研磨成45°反射面实现光信号的90°转角,确保耦合封装的效率和产品的整体结构较小,虽然45°反射面能够实现光信号的全反射,但是光纤阵列与VCSEL和PIN的光信号耦合效率不是很高;现有技术中还有在45°反射面的光路两侧各设置一片透镜,VCSEL和PIN的出射光通过一面透镜聚光后照射到45°反射面,经过45°反射面反射的光线再经过一面透镜聚光后进入光纤内,这样的设置能够大大提高光信号的耦合效率,但是这样的设置成本太高,不利于大批量地生产和使用。 Now the general coupling an optical fiber array is polished reflecting surface to achieve a 45 ° angle 90 ° of the optical signal, to ensure that a small overall configuration of the coupling efficiency and product package, although 45 ° totally reflecting surface of the optical signal can be achieved, but an optical fiber array with VCSEL and PIN signal coupling efficiency is not very high; the prior art also on both sides of the optical path of the irradiation after 45 ° of each reflecting surface is provided a lens, VCSEL and PIN outgoing light condensed by the lens 45 on one side ° reflective surface, through 45 ° into the light reflection surface side and then after converging lens within the optical fiber, such an arrangement can greatly improve the coupling efficiency of the light signal, but such an arrangement too expensive and not conducive to mass-production use.

发明内容 SUMMARY

[0004] 针对上述技术中存在的不足之处,本发明设计一种成本低、光信号耦合效率高,能够解决上述问题的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列及其制造方法。 [0004] For the above-described deficiencies present in the art, the present invention is designed for low-cost, high optical coupling efficiency, capable of solving the above problems hemisphere VSCEL or PIN for self-focusing lens array coupled to the optical fiber arrays and manufacturing method thereof .

[0005] 为实现上述目的,本发明提供的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,包括基板、盖板和多根光纤,所述基板包括基板前段和基板后段,所述基板前段上表面高于所述基板后段上表面,所述基板前段上表面上设有多个与多根光纤一一对应的V形槽,每根光纤均设置在与其对应的V形槽内,且每根光纤均从基板前段向前伸出后其端面上熔接有一段带有自聚焦效果的聚光体,所述盖板设置在基板前段上,且盖板与每个V形槽均围合成固定光纤的容置空间;所述聚光体包括与基板底面呈30°至60°夹角的光学平面和衔接光学平面与聚光体底面的弧形球面;所述弧形球面的曲率半径为75-125um,外部光信号通过聚光体自聚焦、弧形球面聚光和光学平面反射后进入所述光纤内部。 [0005] To achieve the above object, the present invention provides a hemispherical or PIN VSCEL for self-focusing lens array coupled to the optical fiber array, comprising a substrate, a plurality of optical fibers and the cover plate, the substrate after the substrate comprises a substrate and anterior segment, the anterior surface of the substrate above an upper surface of the rear section of the substrate, and the plurality of optical fibers provided with a plurality of V-shaped grooves correspond to the upper surface of the upper front section of the substrate, each optical fiber are disposed in the V-shaped groove corresponding thereto and each optical fiber extending forwardly from the rear substrate are fused with a pre-stage condenser section with self-focusing effect of the end face thereof, said cover plate disposed on the substrate front section, and the cover plate are each V-shaped groove enclose a fixed optical fiber accommodating space; said optical condenser comprises a plane 30 ° to 60 ° angle between the substrate and the bottom-section of the optical convergence plane and the bottom surface of the arcuate spherical condenser; arcuate curvature of said spherical surface radius of 75-125um, the signal from the external light focused by a condenser, enters the interior arcuate spherical converging optical fiber back plane reflector.

[0006] 其中,所述盖板与基板后段之间的光纤上覆盖有用于固定和保护光纤的尾胶,且所述尾胶的高度小于或等于盖板的高度。 [0006] wherein, for fixing the height and covered with a protective plastic optical fiber tail, the tail and a height less than or equal to the glue on the fiber between the cover plate and the rear substrate segment.

[0007] 其中,所述聚光体的长度为0.15mm至0.25mm。 [0007] wherein a length of the condenser body is 0.15mm to 0.25mm.

[0008] 其中,所述基板前段和基板后段的交界处设有过度斜面。 [0008] wherein, at the junction of the front and rear substrate is a substrate provided over the inclined surface section.

[0009] 其中,每个V形槽的底面均与基板后段的上表面高度一致。 [0009] wherein the bottom surface of each V-shaped grooves are highly consistent with the upper surface of the rear section of the substrate.

[0010]为了实现上述目的,本发明还提供了一种用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,该制造方法包括以下步骤: 步骤1、基板加工:在基板上加工出一个斜坡,斜坡将基板分为基板前段和基板后段,再在基板前段的上表面开设多个与光纤形状大小相适配的V形槽; 步骤2、聚光体熔接:在每根光纤的一端均熔接一段聚光体,每段聚光体的长度和大小保持一致; 步骤3、聚光体熔烧:在每根聚光体的一端均熔烧形成球面,且该球面的直径与聚光体的直径相同; 步骤4、光纤组装:将每根熔接好聚光体的光纤置于基板上与其对应的v形槽中,并将熔接有聚光体球面的一端从基板前段向前伸出,并保持每根光纤伸出的长度一致,最后将盖板固定在基板前段的上表面以固定光纤,组成光纤阵列; 步骤5、聚光体研磨:对每根组装好的聚光体加工有 [0010] To achieve the above object, the present invention also provides for a method of manufacturing a hemispherical or PIN VSCEL selfoc lens array coupled to the optical fiber array, the method comprising the following steps: Step 1, the substrate processing: processing the substrate a ramp, slope of the substrate into the substrate fore and aft sections of the substrate, and then defines a plurality of optical fibers adapted to the shape and size of V-shaped grooves on the front section of the surface of the substrate; step 2, condenser welding: in each fiber are welded to one end section of the condenser, the condenser length and size of each segment are consistent; step 3, the condenser fusing: fusing are formed at one end of each converging spherical body and the spherical converging diameter same diameter body; step 4, the optical fiber assembly: each optical fiber splice concentrating member is placed on the substrate corresponding to the v-shaped groove, and one end of the condenser fused spherical projecting forwardly from the front section of the substrate and in keeping the length of each fiber extending, finally secure the cover on the anterior surface of the substrate to fix the optical fiber to form an optical fiber array; step 5, condenser milling: for each assembled with a condenser processing 球面的一端进行研磨,将球面的上半球面研磨成可以反射光信号的光学平面。 One end of the spherical surface is polished, the spherical surface of the hemispherical plane may be ground to reflected light of the optical signal.

[0011]其中,在步骤1中每个V形槽的底面均与基板后段的上表面高度一致。 [0011] wherein the bottom surface of each V-shaped grooves are highly consistent with the upper surface of the rear section of the substrate in step a.

[0012] 其中,步骤2中熔烧出来的球面的直径为〇. 15mm至0.25mm。 Diameter [0012] wherein, in step 2 the spherical melt is burned out square. 15mm to 0.25mm.

[0013] 其中,步骤3还包括尾胶涂覆:盖板与基板后段之间的每根光纤上覆盖有用于固定和保护光纤的尾胶,且所述尾胶的高度小于或等于盖板的高度。 [0013] wherein step 3 further comprises a tail collagen coated: covered with a glue for fixing the end of the optical fiber and the protection fiber on each segment between the cover and the rear substrate, and the height of the end cover rubber is less than or equal the height of.

[00M] 其中,步骤4中光学平面与基板底面呈30°至60°的夹角。 [00M] wherein, in the optical plane and an angle of 30 ° to 60 ° appear before the end of step 4 of the substrate.

[0015] 本发明的优势在于: 1、 本发明提供的光纤阵列,通过在每根光纤的一端熔接有一段带有自聚焦功能的聚光体,再在聚光体的端面上加工出光学平面和弧形球面,光学平面和弧形球面的配合能够同时实现透镜聚光和光学平面反射光的优点,同时聚光体本身的自聚焦效果也能加强光信号的接收和聚集能力,相比于现有的利用独立透镜和光学平面组合工作其成本大大降低,另外其还大幅增加了光纤阵列的容差,在对光纤进行耦合调整的时候其范围更大,从而降低了耦合的难度和增加了耦合的效率; 2、 本发明每根光线的一端均加工出聚光体,其中聚光体光学平面与基板底面的夹角为30°至60°能够很好地实现光信号照射到光学平面上后的全反射,使光学平面在没有镀膜的情况下,依靠角度的反射即可很好的实现光信号的全反射。 [0015] The advantage of the present invention is that: 1, the present invention provides an optical fiber array, with a condenser section by welding with a self-focusing function at one end of each optical fiber, an optical plane reworking the end surface of the condenser and with arcuate spherical surface, and the arcuate spherical surface of the optical flat is possible to achieve the advantages of the condensing lens and the optical plane of the reflected light, while the condenser itself self-focusing effect can enhance the ability to receive and collect the optical signal, as compared to using a conventional separate optical lenses and compositions work plane which greatly reduce the cost, while it also significantly increases the tolerance of an optical fiber array, a greater range when the optical fiber coupling adjustment, thereby reducing the difficulty and increased coupling coupling efficiency; 2, one end of each of the present invention, the light condenser are processed, wherein the angle between the plane of the optical condenser with the bottom surface of the substrate is 30 ° to 60 ° can be well optical signals irradiated onto the optical plane after total reflection, the optical plane in the absence of the coating, the angle of reflection can rely on a good total reflection of the optical signal.

[0016] 3、本发明中的聚光体和光纤为一体式结构,其聚光角度等无需进行额外调整,可靠性高,直接安装光纤并加工出聚光体即可实现高精度的光路耦合,提高耦合效率。 [0016] 3, the condenser of the present invention an optical fiber and an integrated structure, which converging angle, etc. without additional adjustment, high reliability, and the optical fiber mounted directly machined coupling condenser light path to achieve high-precision to improve the coupling efficiency.

附图说明 BRIEF DESCRIPTION

[0017]图1为本发明用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的俯视图; 图2为本发明用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的正视图; 图3为图2中A处的局部放大图; 图4为本发明用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法的流程图。 [0017] FIG 1 VSCEL hemispherical or PIN for the present invention coupled to an array of self-focusing lens plan view of an optical fiber array; FIG. 2 is a front view of the invention for coupling an array of PIN VSCEL or hemispherical rod lens array of the optical fiber; FIG. 3 It is a partial enlarged view at a 2; flowchart of a method of manufacturing an optical fiber array hemispherical lens 4 of the present invention coupled to an array of PIN VSCEL or self-focusing.

[0018] 主要元件符号说明如下: 1、基板2、盖板3、光纤4、尾胶11、基板前段12、基板后段13、过度斜面31、聚光体311、光学平面312、弧形球面。 [0018] Main reference numerals as follows: 1, substrate 2, cover plate 3, the optical fiber 4, the end of plastic 11, the substrate 12 anterior, posterior segment of the substrate 13, over the inclined surface 31, a condenser 311, an optical flat 312, the arcuate spherical .

具体实施方式 Detailed ways

[0019] 为了更清楚地表述本发明,下面结合附图对本发明作进一步地描述。 [0019] For a more clear representation of the present invention, the accompanying drawings The present invention will be further described in conjunction.

[0020] 请参阅图1-3,本发明提供的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列及其制造方法,包括基板1、盖板2和多根光纤3,基板1包括基板前段11和基板后段12,基板前段11上表面高于基板后段12上表面,基板前段11上表面上设有多个与多根光纤3—一对应的V形槽,每根光纤3均设置在与其对应的V形槽内,且每根光纤3均从基板前段11向前伸出后其端面上熔接有一段带有自聚焦效果的聚光体31,盖板2设置在基板前段11上,且盖板2与每个V形槽均围合成固定光纤的容置空间;聚光体31包括与基板1底面呈30°至60°夹角的光学平面311和衔接光学平面311与聚光体31底面的弧形球面312;弧形球面312的曲率半径为75-125um,外部光信号聚光体31自聚焦、弧形球面312聚光和光学平面311反射后进入光纤3内部。 [0020] Referring to FIG 1-3, the present invention provides a hemispherical or PIN VSCEL for self-focusing lens array coupled to an optical fiber array and a manufacturing method includes a substrate 1, and a plurality of optical fibers 2 the cover plate 3, the substrate 1 comprises a substrate 12, front section 11 after the substrate surface is higher than the substrate section 11 and the anterior surface of the posterior segment of the substrate 12, the substrate 11 provided with a plurality of pre-stage and a plurality of optical fibers 3- corresponding V-shaped grooves on the surface, each optical fiber 3 are provided V-shaped groove corresponding thereto, and each optical fiber 3 projects forwardly from the rear substrate are the front segment 11 has its end face welded with a condenser section 31 of the self-focusing effect, the cover plate 2 is provided on the substrate 11 pre-stage on, and the cover 2 are each enclose a V-shaped groove of the fixed optical fiber accommodating space; condenser 31 includes an optical flat 311 and 30 ° to 60 ° angle between the substrate 1 and the bottom-section plane of the optical adapter 311 with a poly light arcuate bottom surface 312 of the spherical surface 31; radius of curvature of the arcuate spherical surface 312 is 75-125um, external light signal from the focusing condenser 31, the condenser 312 and the arcuate spherical optical reflection plane 311 enters the interior of the optical fiber 3.

[0021] 在本实施例中,盖板2与基板后段12之间的光纤3上覆盖有用于固定和保护光纤3 的尾胶4,且尾胶4的高度小于或等于盖板2的高度。 [0021] In the present embodiment, the cover 3 between the optical fiber 2 and the rear cover section 12 for fixing the substrate and to protect the fiber tail collagen 3 4, 4-tail collagen and height less than or equal to the height of the cover 2 . 尾胶4的设置能够对光纤3起到一个固定作用,在光纤3进行后续研磨和使用的时候,能够与盖板2—起组合保证光纤3位置不变;尾胶4的高度小于或等于盖板2的高度在于保证尾胶4的稳定性,如果尾胶4的高度高于盖板2 的高度,极易因为使用和加工中的剐蹭导致尾胶4脱落,从而大大缩短尾胶4的使用寿命。 End glue 4 set can play a role in fixing the optical fiber 3, when the optical fiber 3 and used for subsequent polishing, to ensure that the cover plate in combination with the optical fiber 3 from 2- position unchanged; tail collagen height less than or equal lid 4 height of the plate 2 is to ensure the stability of the end glue 4, if the height of the end cover rubber 4 is higher than the height 2, and easy to use since the processing rub 4 tail collagen leads off, thus greatly reducing the use of plastic tail 4 life. 在本发明中,此处并不局限于使用尾胶4来辅助固定光纤3,还可以使用其他固定结构,只要能够实现光纤3的良好固定即可。 In the present invention, herein not limited to use auxiliary fixing tail collagen fiber 3 to 4, another fixing structure may also be used, as long as the optical fiber 3 can be realized to a good fixing.

[0022] 在本实施例中,聚光体31的长度为0.15mm至0.25mm。 [0022] In the present embodiment, the length of the condenser 31 is 0.15mm to 0.25mm. 在本发明中,聚光体31即为聚光体31—端加工出来的光学平面311和弧形球面312的组合体,其长度为0.15mm至0.25mm有利于加工机械对光纤3的熔烧加工和研磨加工,同时便于实际使用。 In the present invention, the condenser 31 is the condenser 31- machined end plane 311 and the arcuate spherical optics assembly 312, a length of 0.15mm to 0.25mm facilitate processing machine in molten fiber 3 burn and polished, while allowing the actual use.

[0023] 在本实施例中,基板前段11和基板后段12的交界处设有过度斜面13。 [0023] In the present embodiment, the substrate 11 and the junction of the anterior segment of the substrate 12 is provided over the inclined surface 13. 过度斜面13 的设置能够确保过度斜面13处光纤3受到的应力较小,提高了产品的可靠性和制成的合格率,另外,在实际使用过程中,过度斜面13的设置还能够便于容纳尾胶4或其他固定装置,使光纤3在使用和加工过程中更加稳定。 Provided over the inclined surface 13 can be secured to less stress over the bevel 13 of the optical fiber 3 is subjected to improve the reliability and yield of products made, in addition, in actual use, disposed over the inclined surface 13 also can facilitate receiving the end of glue or other fixing means 4, the optical fiber 3 is more stable in use and processing.

[0024] 在本实施例中,每个V形槽的底面均与基板后段12的上表面高度一致。 [0024] In the present embodiment, the bottom surface of each V-shaped grooves are highly consistent with the upper surface of the rear section 12 of the substrate. 这样的设置能够保证光纤3安装在V形槽上后,其高度与基板后段12基本保持一致,这样一方面能防止坡度的存在使光纤受力损坏,另一方面可以减少光纤3光路弯曲的角度,更利于光信号的传输。 After such an arrangement to ensure that the optical fiber 3 is mounted on the V-shaped grooves, the height of the rear section of the substrate 12 remained the same, so that one can prevent the presence of gradient force optical fiber is damaged, an optical fiber 3 on the other hand can reduce the optical path bending angle, more conducive to transmitting optical signals. 在本发明中,V形槽的底面高度也可以略高于基板后段12的高度或者略低于基板后段12 的高度。 In the present invention, the height of the bottom surface of the V-groove may be slightly higher than the height of the rear section of the substrate 12 or slightly lower than the height of the rear section 12 of the substrate.

[0025] 请参阅图4,为了实现上述目的,本发明还提供了一种用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,该制造方法包括以下步骤: 步骤S1、基板加工:在基板上加工出一个斜坡,斜坡将基板分为基板前段和基板后段, 再在基板前段的上表面开设多个与光纤形状大小相适配的V形槽; 步骤S2、聚光体熔接:在每根光纤的一端均熔接一段聚光体,每段聚光体的长度和大小保持一致; 步骤S3、聚光体熔烧:在每根聚光体的一端均熔烧形成球面,且该球面的直径与聚光体的直径相同; 步骤S4、光纤组装:将每根熔接好聚光体的光纤置于基板上与其对应的V形槽中,并将熔接有聚光体球面的一端从基板前段向前伸出,并保持每根光纤伸出的长度一致,最后将盖板固定在基板前段的上表面以固定光纤,组成光纤阵列; 步骤S5、聚光体研磨:对每根组装好 [0025] Referring to FIG 4, in order to achieve the above object, the present invention also provides for a method of manufacturing a hemispherical or PIN VSCEL selfoc lens array coupled to the optical fiber array, the method comprising the steps of: step S1, the processing of the substrate : processing a ramp on a substrate, the substrate into the substrate ramp fore and aft sections of the substrate, and then defines a plurality of optical fibers adapted to the shape and size of V-shaped grooves on the front section of the surface of the substrate; step S2, the welding condenser : one end of each optical fiber are fused condenser section, length and size of each segment condenser consistent; step S3, the condenser fusing: fusing are formed at one end of each converging spherical body and the spherical the same diameter as the diameter of the condenser; step S4, the fiber assembly: each optical fiber splice concentrating member is placed on the substrate corresponding to the V-shaped groove, and spherical fused with a condenser from the end of the substrate forwardly projecting front section, and the length of each fiber extending consistency, and finally the cover is fixed to the front section of the surface of the substrate to the fixed optical fiber, an optical fiber array consisting of; step S5, the condenser grinding: fine for each assembly 的聚光体加工有球面的一端进行研磨,将球面的上半球面研磨成可以反射光信号的光学平面。 One end of the condenser processed polished spherical, the spherical surface of the hemispherical plane may be ground to reflected light of the optical signal.

[0026] 在本实施例中,在步骤S1中每个V形槽的底面均与基板后段的上表面高度一致。 [0026] In the present embodiment, the bottom surface of each V-shaped grooves are highly consistent with the upper surface of the rear section of the substrate in step S1. [0027] 在本实施例中,步骤S2中熔烧出来的球面的直径为0.15mm至0.25mm。 Diameter [0027] In the present embodiment, step S2 of the spherical melt burned out of 0.15mm to 0.25mm.

[0028] 在本实施例中,步骤S3还包括尾胶涂覆:盖板与基板后段之间的每根光纤上覆盖有用于固定和保护光纤的尾胶,且尾胶的高度小于或等于盖板的高度。 [0028] In the present embodiment, further comprising the step S3 tail collagen coated: covered with a glue for fixing the end of the optical fiber and the protection fiber on each segment between the cover and the rear substrate, and a height less than or equal tail collagen the height of the cover.

[0029] 在本实施例中,步骤S4中光学平面与基板底面呈30°至60°的夹角。 [0029] In the present embodiment, an optical plane and an angle 30 ° to 60 ° appear before the end of the substrate in step S4.

[0030] 本发明的优势在于: 1、 本发明提供的光纤阵列,通过在每根光纤的一端熔接有一段带有自聚焦功能的聚光体,再在聚光体的端面上加工出光学平面和弧形球面,光学平面和弧形球面的配合能够同时实现透镜聚光和光学平面反射光的优点,同时聚光体本身的自聚焦效果也能加强光信号的接收和聚集能力,相比于现有的利用独立透镜和光学平面组合工作其成本大大降低,另外其还大幅增加了光纤阵列的容差,在对光纤进行耦合调整的时候其范围更大,从而降低了耦合的难度和增加了耦合的效率; 2、 本发明每根光线的一端均加工出聚光体,其中聚光体光学平面与基板底面的夹角为30°至60°能够很好地实现光信号照射到光学平面上后的全反射,使光学平面在没有镀膜的情况下,依靠角度的反射即可很好的实现光信号的全反射。 [0030] The advantage of the present invention is that: 1, the present invention provides an optical fiber array, with a condenser section by welding with a self-focusing function at one end of each optical fiber, an optical plane reworking the end surface of the condenser and with arcuate spherical surface, and the arcuate spherical surface of the optical flat is possible to achieve the advantages of the condensing lens and the optical plane of the reflected light, while the condenser itself self-focusing effect can enhance the ability to receive and collect the optical signal, as compared to using a conventional separate optical lenses and compositions work plane which greatly reduce the cost, while it also significantly increases the tolerance of an optical fiber array, a greater range when the optical fiber coupling adjustment, thereby reducing the difficulty and increased coupling coupling efficiency; 2, one end of each of the present invention, the light condenser are processed, wherein the angle between the plane of the optical condenser with the bottom surface of the substrate is 30 ° to 60 ° can be well optical signals irradiated onto the optical plane after total reflection, the optical plane in the absence of the coating, the angle of reflection can rely on a good total reflection of the optical signal.

[0031] 3、本发明中的聚光体和光纤为一体式结构,其聚光角度等无需进行额外调整,可靠性高,直接安装光纤并加工出聚光体即可实现高精度的光路耦合,提高耦合效率。 [0031] 3, the condenser of the present invention an optical fiber and an integrated structure, which converging angle, etc. without additional adjustment, high reliability, and the optical fiber mounted directly machined coupling condenser light path to achieve high-precision to improve the coupling efficiency.

[0032] 以上公开的仅为本发明的几个具体实施例,但是本发明并非局限于此,任何本领域的技术人员能思之的变化都应落入本发明的保护范围。 Only a few [0032] The above disclosed embodiment of the present invention are described, but the present invention is not limited thereto, anyone skilled in the art can think of variations shall fall within the scope of the present invention.

Claims (9)

1.一种用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,其特征在于,包括基板、 盖板和复数根光纤,所述基板包括基板前段和基板后段,所述基板前段上表面高于所述基板后段上表面,所述基板前段上表面上设有与光纤——对应的V形槽,每根光纤均设置在与其对应的V形槽内,且每根光纤均从基板前段向前伸出后其端面上熔接有一段带有自聚焦效果的聚光体,所述盖板设置在基板前段上,且盖板与每个V形槽均围合成固定光纤的容置空间;所述聚光体包括与基板底面呈30-60°夹角的光学平面和衔接光学平面与聚光体底面的弧形球面;所述弧形球面的曲率半径为75-125um,外部光信号通过聚光体自聚焦、弧形球面聚光和光学平面反射后进入所述光纤内部。 1. A method for the hemisphere or PIN VSCEL selfoc lens array coupled to the optical fiber array comprising a substrate, a plurality of optical fibers and the cover plate, the substrate comprises a substrate fore and aft sections of the substrate, the substrate surface of the pre-stage higher than the upper surface of the rear substrate, the front section of the upper surface of the substrate provided with the optical fiber - corresponding V-shaped grooves, each of the optical fibers are disposed in a V-shaped groove corresponding thereto, and the substrate from each fiber are after the end thereof projecting forwardly preceding weld surfaces with some self-focusing effect of the condenser, the pre-stage cover plate disposed on the substrate, and the cover plate are each enclose a V-shaped groove of the fixed optical fiber accommodating space ; the condensing plane of the optical body comprises a bottom substrate-section 30-60 ° angle of convergence and the arcuate spherical surface of the optical condenser with the bottom surface plane; the radius of curvature of the arcuate spherical surface of 75-125um, external light signal by self-focusing converging member, and the spherical converging optical reflection plane enters said arcuate inner fibers.
2. 根据权利要求1所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,其特征在于,所述盖板与基板后段之间的光纤上覆盖有用于固定和保护光纤的尾胶,且所述尾胶的高度小于或等于盖板的高度。 The PIN array or hemispherical VSCEL coupled to the self-focusing lens of the optical fiber array 1, characterized in that the covering for securing and protecting the tailed optical fiber segment between the cover plate and the rear substrate as claimed in claim glue, and glue the tail height of less than or equal to the height of the cover.
3. 根据权利要求1所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,其特征在于,所述聚光体的长度为0.15mm至0.25mm。 The PIN array or hemispherical VSCEL coupled to the self-focusing lens of the optical fiber array 1, characterized in that the length of the condenser body is 0.15mm to 0.25mm claims.
4. 根据权利要求1所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,其特征在于,所述基板前段和基板后段的交界处设有过度斜面。 The PIN array or hemispherical VSCEL coupled to the self-focusing lens of the optical fiber array 1, characterized in that the base plate front and rear section of the substrate at the junction of the inclined surface is provided over claims.
5.根据权利要求1所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列,其特征在于,每个V形槽的底面均与基板后段的上表面高度一致。 The PIN array or hemispherical VSCEL coupled to the self-focusing lens of the optical fiber array 1, characterized in that the bottom surface of each V-shaped grooves are highly consistent with the upper surface of the rear section of the substrate as claimed in claim.
6.用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,其特征在于,包括以下步骤: 步骤1、基板加工:在基板上加工出一个斜坡,斜坡将基板分为基板前段和基板后段,再在基板前段的上表面开设多个与光纤形状大小相适配的V形槽; 步骤2、聚光体熔接:在每根光纤的一端均熔接一段聚光体,每段聚光体的长度和大小保持一致; 步骤3、聚光体溶烧:在每根聚光体的一端均溶烧形成球面,且该球面的直径与聚光体的直径相同; 步骤4、光纤组装:将每根熔接好聚光体的光纤置于基板上与其对应的v形槽中,并将恪接有聚光体球面的一端从基板前段向前伸出,并保持每根光纤伸出的长度一致,最后将盖板固定在基板前段的上表面以固定光纤,组成光纤阵列; 步骤5、聚光体研磨:对每根组装好的聚光体加工有球面的一端进行研磨,将球面的上半球 6. A VSCEL hemisphere array coupled PIN or self-focusing lens manufacturing method of an optical fiber array, characterized by comprising the following steps: Step 1, the substrate processing: processing a substrate in a ramp, the ramp front and the substrate into the substrate after the substrate section, and then defines a plurality of optical fibers adapted to the shape and size of V-shaped grooves on the front section of the surface of the substrate; step 2, condenser welding: one end of each optical fiber are fused condenser section, each condenser the length and consistent in size; step 3, was dissolved condenser burned: the end of each solvent condenser were burned spherical form, and the same diameter as the spherical surface of the condenser; step 4, the optical fiber assembly of: each fiber splice concentrating member disposed on the substrate of v-shaped groove corresponding thereto, and having one end connected to the condenser Verified spherical surface projecting forwardly from the front section of the substrate, and keeping the length of each fiber extending Finally, the cover is fixed on the anterior surface of the substrate to fix the optical fiber to form an optical fiber array; step 5, condenser polishing: polishing a spherical one end of each of the assembled condenser machining, the upper hemisphere of the spherical 研磨成可以反射光信号的光学平面。 It can be ground to a planar light reflecting optical signals.
7.根据权利要求6所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,其特征在于,在步骤1中每个V形槽的底面均与基板后段的上表面高度一致。 According to claim VSCEL hemispherical or PIN for coupling an array of self-focusing method of claim 6 for manufacturing an optical fiber lens array, wherein the bottom surface of each V-shaped grooves are on the surface of the rear section of the substrate in step 1 highly consistent.
5. 根据权利要求6所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,其特征在于,步骤2中熔烧出来的球面的直径为0.15mm至0.25mm。 The PIN array or hemispherical VSCEL for coupling the lens 6 self-focusing method of manufacturing an optical fiber array as claimed in claim, wherein the diameter of Step 2 was calcined spherical out of 0.15mm to 0.25mm.
9. 根据权利要求6所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,其特征在于,步骤3还包括尾胶涂覆:盖板与基板后段之间的每根光纤上覆盖有用于固定和保护光纤的尾胶,且所述尾胶的高度小于或等于盖板的高度。 9. The dome VSCEL or PIN for coupling said array of self-focusing method of manufacturing a lens 6 an optical fiber array as claimed in claim, wherein step 3 further comprises a tail collagen coated: for each section between the cover plate and the rear substrate covered optical fibers for fixing and protecting the optical fiber tail collagen, and the height of the tail height of less than or equal gum cover.
10. 根据权利要求6所述的用于VSCEL或PIN阵列耦合的半球自聚焦透镜光纤阵列的制造方法,其特征在于,步骤4中光学平面与基板底面呈30°至60°的夹角。 10. A PIN array or hemispherical VSCEL for coupling the lens 6 self-focusing method of manufacturing an optical fiber array, wherein the optically flat substrate and the bottom-section angle 30 ° to 60 ° according to claim 4 step.
CN201710084501.6A 2017-02-16 2017-02-16 Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor CN106908915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710084501.6A CN106908915A (en) 2017-02-16 2017-02-16 Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710084501.6A CN106908915A (en) 2017-02-16 2017-02-16 Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor
PCT/CN2017/089071 WO2018149069A1 (en) 2017-02-16 2017-06-19 Hemispherical self-focusing lens optical fibre array for vcsel or pin array coupling, and manufacturing method therefor

Publications (1)

Publication Number Publication Date
CN106908915A true CN106908915A (en) 2017-06-30

Family

ID=59208457

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710084501.6A CN106908915A (en) 2017-02-16 2017-02-16 Hemisphere self-focusing lens optical fiber array for coupling VSCEL or PIN arrays and manufacture method therefor

Country Status (2)

Country Link
CN (1) CN106908915A (en)
WO (1) WO2018149069A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060067620A1 (en) * 2004-09-29 2006-03-30 The General Hospital Corporation System and method for optical coherence imaging
CN205404901U (en) * 2016-03-07 2016-07-27 深圳市鹏大光电技术有限公司 A fiber array that be used for with VSCEL or coupling of PIN array

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100906287B1 (en) * 2007-08-22 2009-07-06 광주과학기술원 Optical Fiber Probe for Side Imaging and Method of Manufacturing the same
CN101520530B (en) * 2009-03-26 2012-07-18 武汉电信器件有限公司 Novel sideward coupling optical fiber component and processing method thereof
US9435959B2 (en) * 2012-04-26 2016-09-06 Acacia Communications, Inc. Coupling of fiber optics to planar grating couplers
CN204028413U (en) * 2014-09-05 2014-12-17 曾振林 Novel fiber side coupling fiber array
CN105372770A (en) * 2015-12-14 2016-03-02 华中科技大学 Optical fiber coupling module

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060067620A1 (en) * 2004-09-29 2006-03-30 The General Hospital Corporation System and method for optical coherence imaging
CN205404901U (en) * 2016-03-07 2016-07-27 深圳市鹏大光电技术有限公司 A fiber array that be used for with VSCEL or coupling of PIN array

Also Published As

Publication number Publication date
WO2018149069A1 (en) 2018-08-23

Similar Documents

Publication Publication Date Title
EP1962013A1 (en) Focusing lens for LED
US7072543B2 (en) Extended source transmitter for free space optical communication systems
CN1237359C (en) Optical system including coupler for transmitting light between a single fiber light guide and multiple single fiber light guides
KR970004848B1 (en) Transfer molding type manufacturing method of pigtail-type
US4191446A (en) Directional coupling-device for multi-mode optical fibres
JP2593430B2 (en) Endoscope illumination optical system
JPH08505963A (en) High-power semiconductor laser device
IL107604A (en) Pupil-tuned multifocal ophthalmic lens
JP6134934B2 (en) Optical receptacle and an optical module having the same
JP5777355B2 (en) The system and method
JP3726640B2 (en) The light-emitting device
US7254296B2 (en) Apparatus for improved fiber optic coupling efficiency
US4753508A (en) Optical coupling device
JPH085865A (en) Optical fiber microlens
CN101520530A (en) Novel sideward coupling optical fiber component and processing method thereof
CN1540382A (en) Fiber-coupled laser diode having high coupling-efficiency and low feedbck noise
CN1711487A (en) Optical lenses
JP3067968B2 (en) Source coupling optical fiber interface and a method of manufacturing the same
US20040247242A1 (en) Pluggable optical optic system having a lens fiber stop
US8503838B2 (en) Two-part optical coupling system having an air gap therein for reflecting light to provide optical feedback for monitoring optical output power levels in an optical transmitter (TX)
JPH02248905A (en) Optical fiber coupler
JP3385238B2 (en) Optical transceiver module
JPH068922B2 (en) Singlemode - coupling devices for mode optical fiber
CN104364690B (en) Total internal reflection optical interface modules and components having a high coupling efficiency to allow misalignment
GB2354839A (en) Hyperbolic transfer lens for fibre optics

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination