WO2018014209A1 - Optical fibre tunable filter - Google Patents

Optical fibre tunable filter Download PDF

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Publication number
WO2018014209A1
WO2018014209A1 PCT/CN2016/090493 CN2016090493W WO2018014209A1 WO 2018014209 A1 WO2018014209 A1 WO 2018014209A1 CN 2016090493 W CN2016090493 W CN 2016090493W WO 2018014209 A1 WO2018014209 A1 WO 2018014209A1
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Prior art keywords
filter
ceramic ferrule
optical
fiber
optical fibre
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PCT/CN2016/090493
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French (fr)
Chinese (zh)
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乐矣天
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乐矣天
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Priority to PCT/CN2016/090493 priority Critical patent/WO2018014209A1/en
Publication of WO2018014209A1 publication Critical patent/WO2018014209A1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a fiber tunable filter.
  • optical filter products have been applied on a large scale, and their product structure and performance have been diversified, especially the development of fiber access network FTTH and PON networks, miniaturization, low cost, online plug-in
  • FTTH and PON networks fiber access network
  • miniaturization low cost
  • optical filters especially some optical devices used in FTTB and CATV, for example, based on the application of FTTH single-fiber solution ONU, which can shield VIDEO signals, FTTH line monitoring Used as a reflection terminal for OTDR signals, PON network monitoring and network system upgrade applications, etc., because of the large amount of such products, the cost of the product, the ease of installation and operation of the product, and the miniaturization of the product are higher.
  • the conventional dielectric film optical filter widely used on the market adopts the fiber collimator structure, resulting in high raw material cost, and the conventional optical filter can only be made into a tailed fiber type structure, because the disk fiber and the minute are required.
  • Fiber operation the engineering staff is troublesome, even if the product has an adapter structure, since the adapter and the filter itself are separated, the assembly needs to pass the light. Stitching together the two, so that a large volume of the product would not suitable for miniaturization applications connected network device.
  • the technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a fiber tunable filter, which is convenient for use in life and increases the safety of use.
  • a fiber tunable filter comprising: an optical fiber, a ceramic ferrule, a self-focusing lens, a Filter filter, an external optical coating film layer, and a collimation connection.
  • a sleeve, a PIN connector, the light soldering penetrating through the center of the ceramic ferrule, and a self-focusing lens is disposed at each end of the filter to realize focus coupling of the optical signal
  • the cross section of the ceramic ferrule is installed with Filter filtering Grinding and polishing the ceramic ferrule and the fiber end face, the external optical coating film layer is adsorbed on the ceramic ferrule and the fiber end face by optical coating, and the collimating connecting sleeve is sleeved on the ceramic ferrule, the PIN
  • the connectors are mounted on both sides of the filter.
  • the filter is a pluggable structure.
  • the ceramic ferrule is a non-standard high-precision ceramic ferrule, and replaces the conventional optical solder collimator type fiber ferrule.
  • a sliding slot is disposed above the PIN connector, and a pushing block is disposed in the sliding slot, and the pushing block is fixedly connected to the PIN connector.
  • the filter is a special tunable filter based on all-fiber FP etalon technology.
  • the invention has the beneficial effects that the invention has the advantages of simple manufacture, low cost, reliable quality, convenient installation and operation by engineering personnel, and meets the requirements of mass production and low-cost products of customers, and the invention is a fiber tunable filter.
  • Figure 1 is a structural view of the present invention
  • FIG. 2 is a schematic structural view of an external optical coating film layer of the present invention.
  • the optical fiber tunable filter of the present invention comprises: an optical fiber 1, a ceramic ferrule 2, a self-focusing lens 3, a Filter filter 4, an external optical coating film layer 5, and collimation. a connecting sleeve 6, a PIN connector 7, the optical solder 1 is inserted through the center of the ceramic ferrule 2, and a self-focusing lens 3 is disposed at each end of the filter to realize focus coupling of the optical signal, and the ceramic ferrule is claimed.
  • the collimating connecting sleeve 6 is sleeved on the ceramic ferrule 2, and the PIN joint 7 is mounted on both sides of the filter.
  • the filter is a pluggable structure, and the structure of the yin-yang type optical fixed attenuator is borrowed for easy disassembly and maintenance.
  • the ceramic ferrule 2 is a non-standard high-precision ceramic ferrule, and replaces the traditional optical brazed collimator type fiber ferrule, thereby being effective
  • a sliding slot is disposed above the PIN connector 7, and a push block 8 is disposed in the sliding slot.
  • the push block 8 is fixedly connected with the PIN connector 7 to push the push block 8 to push the PIN connector 7 out.
  • the PIN connector 7 is retracted to effectively prevent dust contamination.
  • the filter is a special tunable filter based on all-fiber FP etalon technology that allows light having a wavelength that has a multiple relationship with the length of the FP cavity to pass, while light of other wavelengths is attenuated by the Airy function.
  • the invention is characterized in that: the ceramic ferrule 2 is provided with a filter filter 4 in cross section, the ceramic ferrule 2 and the end face of the optical fiber 1 are polished and polished, and the external optical coating film layer 5 is adsorbed on the ceramic ferrule 2 and the optical fiber 1 by optical coating.
  • the end face, the collimating connecting sleeve 6 is sleeved on the ceramic ferrule 2
  • the PIN joint 7 is mounted on both sides of the filter
  • the filter is borrowed from the structure of the yin-yang type optical fixed attenuator, and is a pluggable structure
  • the ceramic ferrule 2 It is a non-standard high-precision ceramic ferrule and replaces the traditional optical brazed collimator type fiber head.
  • the filter is a special tunable filter based on all-fiber FP etalon technology.
  • the invention is simple in manufacture, low in cost and reliable in quality. The engineers are easy to install and operate, and meet the needs of mass production and low-

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

An optical fibre tunable filter, comprising: an optical fibre (1), a ceramic ferrule (2), auto-focus lenses (3), a light filter plate (4), an external optical film coating layer (5), a collimation connecting sleeve (6), and pin connectors (7), the optical fibre (1) penetrating the centre of the ceramic ferrule (2), two ends of the filter respectively being provided with an auto-focus lens (3) to implement focusing and coupling of an optical signal, the light filter plate (4) being arranged in the cross section of the ceramic ferrule (2), the ceramic ferrule (2) and optical fibre (1) end face implementing grinding and polishing, the external optical film coating layer (5) being attached to the ceramic ferrule (2) and optical fibre (1) end face by means of optical film coating, the collimation connecting sleeve (6) being sleeved over the ceramic ferrule (2), and the pin connectors (7) being mounted on both sides of the filter. Manufacturing the present optical fibre tunable filter is simple, costs are low, quality is reliable, and assembly and operation by engineering personnel is convenient, thus meeting the requirements for mass production and customer demand for low cost products.

Description

一种光纤可调滤波器Optical fiber tunable filter 技术领域Technical field
本发明涉及通信技术领域，具体涉及一种光纤可调滤波器。The present invention relates to the field of communications technologies, and in particular, to a fiber tunable filter.
背景技术Background technique
随着光纤通信技术的发展，光滤波器产品得到大规模的应用，其产品结构和性能已经出现多样化，尤其是光纤接入网FTTH和PON网络的发展，小型化、低成本、在线即插即用为光滤波器的发展方向之一，特别是一些应用于FTTB，CATV的光器件，例如：基于在FTTH单纤解决方案ONU中的应用，由此可以屏蔽VIDEO的信号，FTTH线路监控时用作OTDR信号的反射端子，PON网络监控及网络***升级等应用，由于此类产品用量很大，所以对产品的成本，产品的安装操作方便性，及产品小型化等方面就有了更高的要求，目前市场上广泛使用的常规介质膜光滤波器，采用光纤准直器结构，造成原材料成本较高，常规光滤波器只能做成带尾光纤型的结构，由于需要盘光纤和分纤操作，工程人员操作麻烦，即使产品带适配器结构，由于适配器和滤波器本身是分离的，装配需要通过光纤将两者拼接在一起，这样产品体积又会很大，不适合接入网器件小型化的应用需求。With the development of optical fiber communication technology, optical filter products have been applied on a large scale, and their product structure and performance have been diversified, especially the development of fiber access network FTTH and PON networks, miniaturization, low cost, online plug-in It is one of the development directions of optical filters, especially some optical devices used in FTTB and CATV, for example, based on the application of FTTH single-fiber solution ONU, which can shield VIDEO signals, FTTH line monitoring Used as a reflection terminal for OTDR signals, PON network monitoring and network system upgrade applications, etc., because of the large amount of such products, the cost of the product, the ease of installation and operation of the product, and the miniaturization of the product are higher. Requirements, the conventional dielectric film optical filter widely used on the market, adopts the fiber collimator structure, resulting in high raw material cost, and the conventional optical filter can only be made into a tailed fiber type structure, because the disk fiber and the minute are required. Fiber operation, the engineering staff is troublesome, even if the product has an adapter structure, since the adapter and the filter itself are separated, the assembly needs to pass the light. Stitching together the two, so that a large volume of the product would not suitable for miniaturization applications connected network device.
发明内容Summary of the invention
本发明要解决的技术问题是克服现有技术的缺陷，提供一种光纤可调滤波器，方便生活中的使用，增加使用的安全性。 The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a fiber tunable filter, which is convenient for use in life and increases the safety of use.
为了解决上述技术问题，本发明提供了如下的技术方案：一种光纤可调滤波器，包括：光纤、陶瓷插芯、自聚焦透镜、Filter滤光片、外置光学镀膜膜层、准直连接套、PIN接头，所述光钎贯穿所述陶瓷插芯中心，所述滤波器两端分别设置有一个自聚焦透镜来实现对光信号的聚焦耦合，所诉陶瓷插芯横截面安装有Filter过滤器，所述陶瓷插芯和光纤端面进行研磨抛光，所述外置光学镀膜膜层通过光学镀膜吸附在陶瓷插芯和光纤端面，所述准直连接套套接在陶瓷插芯上，所述PIN接头安装在所述滤波器两侧。In order to solve the above technical problem, the present invention provides the following technical solution: a fiber tunable filter, comprising: an optical fiber, a ceramic ferrule, a self-focusing lens, a Filter filter, an external optical coating film layer, and a collimation connection. a sleeve, a PIN connector, the light soldering penetrating through the center of the ceramic ferrule, and a self-focusing lens is disposed at each end of the filter to realize focus coupling of the optical signal, and the cross section of the ceramic ferrule is installed with Filter filtering Grinding and polishing the ceramic ferrule and the fiber end face, the external optical coating film layer is adsorbed on the ceramic ferrule and the fiber end face by optical coating, and the collimating connecting sleeve is sleeved on the ceramic ferrule, the PIN The connectors are mounted on both sides of the filter.
优选的，所述滤波器为可插拔式结构。Preferably, the filter is a pluggable structure.
优选的，所述陶瓷插芯为非标高精度陶瓷插芯，且替代了传统的光钎准直器类型光纤头。Preferably, the ceramic ferrule is a non-standard high-precision ceramic ferrule, and replaces the conventional optical solder collimator type fiber ferrule.
优选的，所述PIN接头上方设有滑槽，所述滑槽内设有推块，所述推块与PIN接头固定连接。Preferably, a sliding slot is disposed above the PIN connector, and a pushing block is disposed in the sliding slot, and the pushing block is fixedly connected to the PIN connector.
优选的，所述滤波器为基于全光纤FP标准具技术的特殊的可调谐滤波器。Preferably, the filter is a special tunable filter based on all-fiber FP etalon technology.
本发明所达到的有益效果是：本发明制作简单、成本低廉、质量可靠，工程人员安装操作方便，满足批量生产及客户的低成本产品需求，且本发明为光纤可调滤波器。The invention has the beneficial effects that the invention has the advantages of simple manufacture, low cost, reliable quality, convenient installation and operation by engineering personnel, and meets the requirements of mass production and low-cost products of customers, and the invention is a fiber tunable filter.
附图说明DRAWINGS
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制，在附图中：The accompanying drawings are included to provide a further understanding of the
图1是本发明的结构图； Figure 1 is a structural view of the present invention;
图2是本发明的外置光学镀膜膜层结构示意图；2 is a schematic structural view of an external optical coating film layer of the present invention;
图中：1-光纤、2-陶瓷插芯、3-自聚焦透镜、4-Filter滤光片、5-外置光学镀膜膜层、6-准直连接套、7-PIN接头、8-推块。In the figure: 1-fiber, 2-ceramic ferrule, 3-self-focusing lens, 4-Filter filter, 5-external optical coating film, 6-collimating sleeve, 7-PIN connector, 8-push Piece.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的设计方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。实施例1The design of the embodiments of the present invention will be clearly and completely described in the following description of the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. Example 1
如图1、图2所示，本发明一种光纤可调滤波器，包括：光纤1、陶瓷插芯2、自聚焦透镜3、Filter滤光片4、外置光学镀膜膜层5、准直连接套6、PIN接头7，所述光钎1贯穿所述陶瓷插芯2中心，所述滤波器两端分别设置有一个自聚焦透镜3来实现对光信号的聚焦耦合，所诉陶瓷插芯2横截面安装有Filter滤光片4，所述陶瓷插芯2和光纤1端面进行研磨抛光处理，所述外置光学镀膜膜层5通过光学镀膜吸附在陶瓷插芯2和光纤1端面，所述准直连接套6套接在陶瓷插芯2上，所述PIN接头7安装在所述滤波器两侧。As shown in FIG. 1 and FIG. 2, the optical fiber tunable filter of the present invention comprises: an optical fiber 1, a ceramic ferrule 2, a self-focusing lens 3, a Filter filter 4, an external optical coating film layer 5, and collimation. a connecting sleeve 6, a PIN connector 7, the optical solder 1 is inserted through the center of the ceramic ferrule 2, and a self-focusing lens 3 is disposed at each end of the filter to realize focus coupling of the optical signal, and the ceramic ferrule is claimed. 2 is a cross-section of a filter filter 4, the ceramic ferrule 2 and the end face of the optical fiber 1 are subjected to a grinding and polishing process, and the external optical coating film layer 5 is adsorbed on the ceramic ferrule 2 and the end face of the optical fiber 1 by optical coating. The collimating connecting sleeve 6 is sleeved on the ceramic ferrule 2, and the PIN joint 7 is mounted on both sides of the filter.
进一步地，所述滤波器为可插拔式结构，借鉴了阴阳式光固定衰减器结构，便于拆卸维修。Further, the filter is a pluggable structure, and the structure of the yin-yang type optical fixed attenuator is borrowed for easy disassembly and maintenance.
进一步地，所述陶瓷插芯2为非标高精度陶瓷插芯，且替代了传统的光钎准直器类型光纤头，从而有效 Further, the ceramic ferrule 2 is a non-standard high-precision ceramic ferrule, and replaces the traditional optical brazed collimator type fiber ferrule, thereby being effective
进一步地，所述PIN接头7上方设有滑槽，滑槽内设有推块8，所述推块8与PIN接头7固定连接，推动推块8将PIN接头7推出，不使用时再将PIN接头7缩进，有效防止了灰尘的污染。Further, a sliding slot is disposed above the PIN connector 7, and a push block 8 is disposed in the sliding slot. The push block 8 is fixedly connected with the PIN connector 7 to push the push block 8 to push the PIN connector 7 out. The PIN connector 7 is retracted to effectively prevent dust contamination.
进一步地，所述滤波器为基于全光纤FP标准具技术的特殊的可调谐滤波器，它允许波长跟FP腔长度有倍数关系的光通过，而其他波长的光按爱里函数衰减。Further, the filter is a special tunable filter based on all-fiber FP etalon technology that allows light having a wavelength that has a multiple relationship with the length of the FP cavity to pass, while light of other wavelengths is attenuated by the Airy function.
本发明在于：陶瓷插芯2横截面安装有Filter滤光片4，陶瓷插芯2和光纤1端面进行研磨抛光处理，外置光学镀膜膜层5通过光学镀膜吸附在陶瓷插芯2和光纤1端面，准直连接套6套在陶瓷插芯2上，PIN接头7安装在所述滤波器两侧，滤波器借鉴了阴阳式光固定衰减器结构，为可插拔式结构，陶瓷插芯2为非标高精度陶瓷插芯，且替代了传统的光钎准直器类型光纤头，滤波器为基于全光纤FP标准具技术的特殊的可调谐滤波器，本发明制作简单、成本低廉、质量可靠，工程人员安装操作方便，满足批量生产及客户的低成本产品需求。The invention is characterized in that: the ceramic ferrule 2 is provided with a filter filter 4 in cross section, the ceramic ferrule 2 and the end face of the optical fiber 1 are polished and polished, and the external optical coating film layer 5 is adsorbed on the ceramic ferrule 2 and the optical fiber 1 by optical coating. The end face, the collimating connecting sleeve 6 is sleeved on the ceramic ferrule 2, the PIN joint 7 is mounted on both sides of the filter, and the filter is borrowed from the structure of the yin-yang type optical fixed attenuator, and is a pluggable structure, the ceramic ferrule 2 It is a non-standard high-precision ceramic ferrule and replaces the traditional optical brazed collimator type fiber head. The filter is a special tunable filter based on all-fiber FP etalon technology. The invention is simple in manufacture, low in cost and reliable in quality. The engineers are easy to install and operate, and meet the needs of mass production and low-cost products of customers.
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。 It should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, although the present invention has been described in detail with reference to the foregoing embodiments, Modifications may be made to the technical solutions described in the foregoing embodiments, or some of the technical features may be equivalently replaced. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (5)

  1. 一种光纤可调滤波器，包括：光纤(1)、陶瓷插芯(2)、自聚焦透镜(3)、Filter滤光片(4)、外置光学镀膜膜层(5)、准直连接套(6)、PIN接头(7)，其特征在于：所述光钎(1)贯穿所述陶瓷插芯(2)中心，所述滤波器两端分别设置有一个自聚焦透镜(3)来实现对光信号的聚焦耦合，所述陶瓷插芯(2)横截面安装有Filter滤光片(4)，所述陶瓷插芯(2)和光纤(1)端面进行研磨抛光处理，所述外置光学镀膜膜层(5)通过光学镀膜吸附在陶瓷插芯(2)和光纤(1)端面，所述准直连接套(6)套接在陶瓷插芯(2)上，所述PIN接头(7)安装在所述滤波器两侧。A fiber tunable filter comprising: an optical fiber (1), a ceramic ferrule (2), a self-focusing lens (3), a Filter filter (4), an external optical coating film layer (5), and a collimation connection a sleeve (6), a PIN connector (7), characterized in that: the light solder (1) runs through the center of the ceramic ferrule (2), and a filter (3) is disposed at each end of the filter. A focus coupling of the optical signal is achieved, the ceramic ferrule (2) is mounted with a filter filter (4) in cross section, and the ceramic ferrule (2) and the end face of the optical fiber (1) are subjected to grinding and polishing treatment, the outer The optical coating film layer (5) is adsorbed on the ceramic ferrule (2) and the end face of the optical fiber (1) by optical coating, and the collimating connection sleeve (6) is sleeved on the ceramic ferrule (2), the PIN connector (7) Installed on both sides of the filter.
  2. 根据权利要求1所述的一种光纤可调滤波器，其特征在于：所述滤波器为可插拔式结构。A fiber tunable filter according to claim 1, wherein said filter is a pluggable structure.
  3. 根据权利要求1所述的一种光纤可调滤波器，其特征在于：所述陶瓷插芯(2)为非标高精度陶瓷插芯，且替代了传统的光钎准直器类型光纤头。The optical fiber tunable filter according to claim 1, wherein the ceramic ferrule (2) is a non-standard high-precision ceramic ferrule, and replaces the conventional optical solder collimator type fiber ferrule.
  4. 根据权利要求1所述的一种光纤可调滤波器，其特征在于：所述PIN接头(7)上方设有滑槽，滑槽内设有推块(8)，所述推块(8)与PIN接头(7)固定连接。The optical fiber tunable filter according to claim 1, wherein the PIN connector (7) is provided with a sliding slot, and the sliding slot is provided with a pushing block (8), and the pushing block (8) Fixed connection to PIN connector (7).
  5. 根据权利要求1所述的一种光纤可调滤波器，所述滤波器为基于全光纤FP标准具技术的特殊的可调谐滤波器。 A fiber tunable filter according to claim 1 which is a special tunable filter based on all-fiber FP etalon technology.
PCT/CN2016/090493 2016-07-19 2016-07-19 Optical fibre tunable filter WO2018014209A1 (en)

Priority Applications (1)

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PCT/CN2016/090493 WO2018014209A1 (en) 2016-07-19 2016-07-19 Optical fibre tunable filter

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CN112099145A (en) * 2020-03-31 2020-12-18 山东量子科学技术研究院有限公司 Optical fiber filter
CN113219595A (en) * 2021-03-29 2021-08-06 杭州航天电子技术有限公司 Detachable beam expanding type optical fiber contact element

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CN201984180U (en) * 2011-03-09 2011-09-21 北京东方谱光科技有限公司 Fiber Fabry-Perot tunable filter
CN202563121U (en) * 2012-05-08 2012-11-28 王辉文 Optical filter device for assisting FTTH network link on-line monitoring
CN203745679U (en) * 2013-12-20 2014-07-30 北极光电(深圳)有限公司 Miniaturized low loss wavelength division multiplexer

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JP2008151825A (en) * 2006-12-14 2008-07-03 Matsushita Electric Works Ltd Optical multiplexer/demultiplexer
CN201654292U (en) * 2010-03-05 2010-11-24 上海霍普光通信有限公司 Diaphragm type multimode optical divider
CN201984180U (en) * 2011-03-09 2011-09-21 北京东方谱光科技有限公司 Fiber Fabry-Perot tunable filter
CN202563121U (en) * 2012-05-08 2012-11-28 王辉文 Optical filter device for assisting FTTH network link on-line monitoring
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Publication number Priority date Publication date Assignee Title
CN112099145A (en) * 2020-03-31 2020-12-18 山东量子科学技术研究院有限公司 Optical fiber filter
CN113219595A (en) * 2021-03-29 2021-08-06 杭州航天电子技术有限公司 Detachable beam expanding type optical fiber contact element
CN113219595B (en) * 2021-03-29 2023-10-10 杭州航天电子技术有限公司 Detachable beam-expanding type optical fiber contact

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