Non-contact determination device for alignment between lens of optical component and mt fiber unit

Abstract

In order to provide a technology capable of precisely identifying lens and MT fiber alignment without contact with a connection terminal side of an optical component such that problems, due to contact errors, of degraded accuracy in alignment failure determination and damage to the optical component, which are problems of a conventional contact type determination technology, can be completely solved, a non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, according to one embodiment of the present invention, comprises: a light-collecting unit, which is spaced apart from an end portion of a terminal side of an MT fiber connected to the lens of the optical component so as to be in non-contact with the end portion, thereby collecting an optical signal transmitted from the end portion; a transmission line for receiving the collected signal from the light collecting unit; and a measurement instrument for determining the alignment between the MT fiber and the lens by using the signal transmitted from the transmission line.

Description

Non-contact determination device for alignment between the lens of an optical component and the MT fiber unit

[0001] The present invention relates to a technology for determining whether a unit is normally manufactured by determining the alignment between a lens and an MT fiber in an assembled unit of an optical component used in optical communications, etc., and more specifically, to a technology capable of precisely determining the alignment of a lens MT fiber without contacting the connection terminal side of an optical component, so as to completely solve the problems of existing contact-type determination techniques.

[0002]

[0003] Optical components are units represented by lenses and optical cables, and refer to components that are placed on optical communication lines and used to quickly transmit large amounts of data. Optical components are provided with an MT fiber and a lens or an MT fiber unit referred to as FA (Fiber Arry). When a jumper (extension) optical fiber connection is required when aligning the lens and the fiber, due to the possibility of optical loss due to the lack of precise connection when directly connecting the jumper optical fiber, a Fiber Focuser or lens that receives an expanded beam without using a jumper (extension) fiber when aligning the lens and the fiber is used when aligning the expanded beam from the end of the MT fiber with the Fiber Focuser.

[0004] In such a structure, alignment between the lens and the MT fiber is recognized as a very important factor for the above purpose. Accordingly, a structure capable of stably and precisely aligning or combining the lens and the MT fiber is required, and at the same time, when manufacturing optical components based on the alignment between the lens and the MT fiber, technology for determining whether the alignment between the lens and the MT fiber is precise and thus whether the product is defective is also important.

[0005] Figures 1 to 3 are shown as examples of existing technologies for determining alignment between a lens and an MT fiber in components such as the above-described optical cable.

[0006] First, referring to Fig. 1, in the first technique for determining the alignment between the existing lens and the MT fiber, the pin (7) of the means (8) connected to the measuring device (9) is inserted into the groove (4) on the side of the female terminal (3) connected to the fiber (2) connected to the lens (1) through the fiber box (2-1). In this case, the ends (5) of a plurality of MT fibers (2) existing in the MT-shaped fiber (2) on the side of the female terminal (3) and the MT fibers (6) on the side of the means (8) come into contact according to the insertion and engagement of the pin (7) and the groove (4), and accordingly, the measuring device (9) analyzes the signal transmitted to each MT fiber (2, 5, 6) through the lens (1) and determines the alignment between the lens and the MT fiber by determining the focus and position, etc. identified from the signal.

[0007] However, in this case, a problem such as that in Fig. 2 occurs. That is, when determining a defect in the measuring device (9), according to the purpose of the above technique, only a misalignment between the lens (1) and the MT fiber (2) should be the cause of the defect. However, according to the first technique as described above, when the pin (7) of the element (8) is brought close to the female terminal (3) side as in Fig. 2 (a), even if the angle (a1) on the left and right sides is off based on the line connecting both sides of the pin (7) as in Fig. 2 (b), or the angle (a2) on the upper and lower sides is off as in Fig. 2 (c), a defect is determined. In addition, as in Fig. 2 (d), for example, if a foreign substance (b) exists on the contact surface of the element (8) that comes into contact with the female terminal (3) side of a plurality of optical components, the foreign substance may be transferred to the female terminal (3) that comes into contact with the element (8).

[0008] In this case, there is a very high possibility that the alignment between the lens (1) and the MT fiber (2) is normal, but the product is judged as defective or becomes defective after the determination process. That is, when a result of a defective determination is derived from the measuring device (9), it is impossible to determine whether the problem is a defect in the alignment between the end (5) of the lens (1) and the MT fiber (2) or a problem as shown in (b) to (d) of the above-described Fig. 2. Accordingly, there is a problem of discarding a normal part by determining it as defective.

[0009] In order to solve the above problem, there is a second existing technology for solving the problem as shown in (a) and (b) of FIG. 2, in which an adapter (8-1) is installed on the side of the connector (8) as shown in FIG. 3, and the adapter is fastened to the groove (3-1) on the side of the female terminal (3) in a hook manner. However, even in the case above, the problem as shown in (d) of FIG. 2 cannot be solved at all, and when the female terminal (3) is separated from the adapter (8-1) after the determination process is performed due to the hook-type fastening, a problem occurs in which the groove (3-1) is damaged or cannot be separated.

[0010]

[0011] The present invention is intended to completely solve the problems of the existing technologies as described above, and its purpose is to provide a technology that can completely prevent damage to components due to the determination process, such as errors in determining defects that may occur due to contact between terminals when determining alignment between a lens of an optical component and an MT fiber, damage due to contact transfer of foreign substances, or damage during separation in a hook shape.

[0012]

[0013] In order to achieve the above object, a non-contact determination device for alignment between a lens of an optical component and an MT fiber unit according to one embodiment of the present invention is characterized by including: a light collecting unit that is spaced apart from a terminal side end of an MT fiber connected to a lens of an optical component so as to be non-contacted and collects an optical signal transmitted from the end; a transmission line that receives a signal collected from the light collecting unit; and a measuring device that determines the alignment of the MT fiber and the lens using a signal transmitted from the transmission line.

[0014] The above-mentioned light collecting portion may be an MT fiber formed so that the diameter of one end facing the terminal side of the MT fiber among the two end sides is larger than the diameter of the other end connected to the transmission line.

[0015] The above-mentioned light collecting unit may include a light collecting lens installed to have a first diameter set at one end facing the terminal side of the MT fiber among the two end sides; and a light collecting fiber connected between the light collecting lens and the transmission line, the light collecting fiber being formed to have a second diameter that is the smallest at the other end connected to the transmission line while having a diameter smaller than the first diameter.

[0016] The above-mentioned light collecting unit is spaced apart from the terminal side end of the MT fiber by a preset first distance, and the first distance can be set differently depending on the emission angle according to the size of the MT fiber.

[0017] The above measuring device can generate image data formed on a lens according to a signal transmitted from the transmission line, and determine whether the MT fiber and the lens are normally aligned using the shape and focus matching of the image data.

[0018] The above MT fiber is a multi-channel MT fiber in which a plurality of optical fibers are arranged, and the light collecting section can be formed so that the horizontal and vertical diameters are set differently depending on the arrangement shape of the terminal end of the optical fiber.

[0019] The above MT fiber is a multi-channel MT fiber in which a plurality of optical fibers are arranged, and the light collecting section can be formed so that the maximum diameter is set according to the arrangement shape and emission angle of the terminal end of the optical fiber.

[0020] The above MT fiber is a multi-channel MT fiber in which a plurality of optical fibers are arranged, and the transmission line includes a plurality of optical fibers arranged in the same arrangement as the MT fiber, so that each optical fiber receives a signal collected from the condenser and transmits it to the measuring device, and the measuring device can determine the alignment of the MT fiber and the lens for each signal transmitted from each of the transmission lines.

[0021]

[0022] According to the present invention, an optical signal from an MT fiber having an emission area and transmitted from a dark terminal on the optical component side by a light collecting unit is collected in a non-contact state without any contact with the dark terminal on the optical component side and transmitted to a measuring device through a transmission line, thereby precisely determining the alignment between the lens and the MT fiber.

[0023] In this case, the critical problems of existing technologies, such as those described above, can be completely prevented from causing discrimination errors and damage to components due to contact-based discrimination between optical component terminals and instrument terminals. This significantly increases the accuracy of defect detection and damage suppression in optical components, resulting in increased yield.

[0024]

[0025] Figures 1 to 3 are drawings for explaining a technique for determining the alignment of existing lenses and MT fibers.

[0026] FIG. 4 is a configuration diagram of a non-contact determination device for alignment between a lens of an optical component and an MT fiber unit according to one embodiment of the present invention.

[0027] FIG. 5 is a drawing for explaining an example of the configuration of a light collecting unit according to one embodiment of the present invention.

[0028] Figures 6 and 7 are drawings for explaining examples of the shape of a light collecting unit according to one embodiment of the present invention.

[0029]

[0030] Hereinafter, various embodiments and / or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth to provide a thorough understanding of one or more aspects. However, it will be apparent to one skilled in the art that such aspects may be practiced without these specific details. The following description and the attached drawings detail specific exemplary aspects of one or more aspects. However, these aspects are exemplary, and it is to be understood that any of the various methods within the principles of the various aspects may be utilized, and the description is intended to encompass all such aspects and their equivalents.

[0031] The terms “embodiment,” “example,” “aspect,” “example,” and the like as used herein may not be construed to imply that any aspect or design described is better or advantageous over other aspects or designs.

[0032] Additionally, it should be understood that the terms “comprises” and / or “comprising” imply the presence of the features and / or components, but do not preclude the presence or addition of one or more other features, components and / or groups thereof.

[0033] Additionally, terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The terms are used solely to distinguish one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related described items or any of a plurality of related described items.

[0034] Additionally, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and shall not be interpreted in an idealized or overly formal sense unless explicitly defined in the embodiments of the present invention.

[0035] FIGS. 1 to 3 are drawings for explaining a technique for determining the alignment of an existing lens and an MT fiber, FIG. 4 is a diagram for explaining a configuration of a non-contact determination device for the alignment between a lens and an MT fiber unit of an optical component according to an embodiment of the present invention, FIG. 5 is a diagram for explaining an example of the configuration of a light collecting unit according to an embodiment of the present invention, and FIGS. 6 and 7 are drawings for explaining an example of the shape of a light collecting unit according to an embodiment of the present invention.

[0036] Meanwhile, in the following description, some of the details described in the drawings are omitted or excessively enlarged or reduced in order to explain the functions of each component of the present invention, but it should be understood that the details depicted do not limit the technical features and scope of rights of the present invention.

[0037] Additionally, in the following description, multiple drawings will be simultaneously referenced and described to explain one technical feature or component constituting the invention.

[0038] Referring to the above drawings together, a non-contact determination device for alignment between a lens of an optical component and an MT fiber unit according to one embodiment of the present invention (hereinafter referred to as the “device of the present invention”) is characterized by including a light collection unit (10), a transmission line (20), and a measuring device (30).

[0039] In the present invention, an optical component is understood to refer to all components having a structure in which an MT fiber (fiber, 2) is connected to a lens section in a cable manner, transmitted to the end (5), and a male terminal is connected to a female groove (4) into which the aforementioned male pin is inserted through a female terminal (3) in a connection area where the end (5) exists, so as to be connected to a cable or other device. In the present invention, the optical component can be used, for example, in optical communication as described above, and can be used in all data lines or network facilities in which the end (5) on the MT fiber (2) side can be utilized.

[0040] In the present invention, a plurality of optical fibers, which can be confirmed through the end portion (5) of the MT fiber (2) as illustrated in FIG. 4, are arranged in a row or three-dimensionally to enable large-capacity optical communication. The MT fiber (2) in the present invention, which will be described later, can be understood as a general term for the MT fiber in a multi-channel form and the cable surrounding it as described above. However, under the above-described purpose of the present invention, the function for a single optical fiber cable can also be performed, and thus, a single optical fiber cable can also be applied to the present invention.

[0041] The light collecting unit (10) is installed in a non-contact state away from the end (5) of the MT fiber (2) connected to the lens, i.e., the exposed end, and is an element that collects the light signal transmitted from the end (5). At this time, the light collecting unit (10) preferably has a diameter of 4 to 8 mm, and collects the light irradiated at an irradiation angle of A from one end (51) of the fiber exposed to the end (5) as shown in FIG. 5. In order to test in this environment, for example, if there are multiple single fiber ends (51), light emission is performed sequentially, and as shown in FIG. 5, the light collecting unit (10) is moved so that the central axis of the light collecting unit (10) moves along the central axis of each end according to the light emission order of the single fiber ends (51), and the light emitted from each single fiber end (51) is sequentially collected and measured by the measuring device (30) to determine whether alignment is possible.

[0042] Looking back at the existing technologies mentioned in FIGS. 1 to 3, in the first technology for determining the alignment between the existing lens and the MT fiber, the pin (7) of the connecting element (8) connected to the measuring device (9) is inserted into the groove (4) on the side of the female terminal (3) connected to the lens (1) and the fiber (2). In this case, the ends (5) of a plurality of MT fibers (2) existing in the MT-shaped fiber (2) on the side of the female terminal (3) and the MT fibers (6) on the side of the connecting element (8) come into contact according to the insertion and engagement of the pin (7) and the groove (4), and accordingly, the measuring device (9) analyzes the signal transmitted to each MT fiber (5, 6) through the lens (1), and determines the alignment between the lens and the MT fiber by determining the focus and position, etc. identified from the signal.

[0043] This is a technology applied by contacting the MT fiber (6) on the measuring instrument (9) side with a male terminal on the end (5) side of the MT fiber (2) side described above so that no light is exposed to the outside, as the light has a constant light distribution angle and spreads widely and emits light with straightness due to the light characteristics when exposed.

[0044] However, in the above case, as described above, when determining a defect in the measuring instrument (9), however, according to the first technique as described above, when the pin (7) of the means (8) is brought close to the female terminal (3) side as shown in (a) of Fig. 2, even if the angle (a1) on the left and right sides is off based on the line connecting both sides of the pin (7) as shown in (b) of Fig. 2, or the angle (a2) on the upper and lower sides is off as shown in (c) of Fig. 2, a determination of defect is made. Accordingly, even when there is no alignment defect between the lens and the MT fiber, a determination error may occur because a case as shown in (b) and (c) of Fig. 2 is determined to be defective. In addition, as in (d) of Fig. 2, if a foreign substance (b) exists on the contact surface of a means (8) that comes into contact with the female terminal (3) of a plurality of optical components, the foreign substance may be transferred to the female terminal (3) that comes into contact with the means (8).

[0045] In the above case, when a defective determination result is derived from the measuring instrument (9), it is impossible to determine whether the problem is a defective alignment between the lens (1) and the MT fiber (2) or a problem as in (b) to (d) of the above-described Fig. 2. Accordingly, a problem arises in which a normal part is determined to be defective and discarded.

[0046] Of course, by installing an adapter (8-1) on the side of the connector (8) as in Fig. 3 and fastening the adapter to the groove (3-1) on the side of the female terminal (3) in a hook manner, problems such as those in Fig. 2 (a) and (b) can be solved. However, even in the above case, problems such as those in Fig. 2 (d) cannot be solved at all, and when the female terminal (3) is separated from the adapter (8-1) after the determination process is performed due to the hook-type fastening, a problem occurs in which the groove (3-1) is damaged or cannot be separated.

[0047] In order to completely solve the problems of the existing first and second technologies as described above, the light collecting unit (10) of the present invention is spaced apart from the end (5) of the MT fiber (2) so as to be non-contacted, and accordingly, has a light collecting shape in the form of a dish antenna as shown in FIG. 4 in order to completely collect the light signal irradiated from the end (5) of the MT fiber (2) with a constant emission area.

[0048] The transmission line (20) receives a signal collected from the condenser (10) according to the function of the above-described condenser (10) and performs the function of transmitting the collected light signal including the MT fiber in the same manner as the above-described fiber (2), and the measuring device (30) uses the signal transmitted from the transmission line (20) to determine the alignment between the end (5) of the MT fiber (2) and the lens.

[0049] In this case, as described above, the optical signal from the end (5) of the MT fiber (2) side, which is transmitted with an emission area from the dark terminal (3) of the optical component side by the light collecting unit (10), is collected in a non-contact state without any contact with the terminal side of the dark terminal (3) of the optical component side and transmitted to the measuring device (30) through the transmission line, thereby precisely determining the alignment between the lens and the MT fiber.

[0050] In this case, there is an effect that can completely prevent the critical problems of the existing technologies mentioned above, such as judgment errors and damage to components due to contact-type judgment between the terminals on the optical component side and the terminals on the measuring instrument (30). As a result, the accuracy of detecting defects in the optical component and the ability to suppress damage are greatly increased, resulting in an increase in yield.

[0051] Meanwhile, various embodiments of the present invention will be described below to more significantly achieve the core effects of the present invention as described above.

[0052] First, as illustrated in FIG. 4, in one embodiment of the present invention, the light collecting unit (10) may be formed as an integral structure, and may be formed of an MT fiber in which the diameter (R1) of one end facing the end (5) of the MT fiber (2) side, that is, the terminal (3) side of the MT fiber, among the two end sides is larger than the diameter (R2) of the other end side, that is, the end side connected to the transmission line (20).

[0053] As described above, due to the characteristics of the non-contact and spaced arrangement, the light distribution unit (10) can be irradiated with a certain emission angle so that an optical signal spreads out from the MT fiber (2) side end (5) depending on the material of the MT fiber (2) side end (5), the optical characteristics, the MT fiber (2) side end (5) or the diameter of the MT fiber (2). In this case, it is preferable that one end of the light distribution unit (10) facing the MT fiber (2) side end (5) have a wide diameter (R1) so as to be able to collect light irradiated in a wide emission area. Preferably, the diameter (R1) is set to be larger than the diameter of the terminal (3), although this may vary depending on the emission angle and the separation distance.

[0054] As described above, the light collecting unit (10) is non-contactly arranged so as to be spaced apart from the end (5) of the MT fiber (2) by a preset first distance (d1). At this time, the first distance (d1) described above may be set differently depending on the emission angle set by the diameter (R1) of the light collecting unit (10), the material of the end (5) of the MT fiber (2), the optical properties, the diameter of the end (5) of the MT fiber (2), etc.

[0055] To this end, in the present invention, the transmission line (20) is made of a flexible material, and a position setting unit (not shown) for moving and fixing the position of the light collecting unit (10) so that the arrangement position of the light collecting unit (10) can be moved and fixed along the d1 direction of FIG. 4, i.e., the direction of light irradiation, may be included as an additional component of the device of the present invention.

[0056] At this time, the position setting unit can control the position of the light collecting unit (10) in an automatic manner that allows for precise control by manual or stepping motor method, and in the case of the automatic manner, when the identification information of the above-described optical components including the MT fiber (2) and the lens, etc. is input to the control terminal, the diameter (R1) of the above-described light collecting unit (10), the material of the MT fiber (2), the optical characteristics, the diameter of the MT fiber (2), etc. are automatically calculated so that the first distance (d1) is automatically set, and then the position of the light collecting unit (10) can be controlled according to the control of the position setting unit, or a specific numerical value for d1 can be input from the control terminal, and accordingly the position of the light collecting unit (10) can be controlled according to the control of the position setting unit.

[0057] Meanwhile, the light collecting unit (10) may be composed of the above-described light collecting type MT fiber, or may be composed of a lens and MT fiber to further increase the light collecting effect. That is, as illustrated in FIG. 5, the light collecting unit (10) may be composed of a light collecting lens (11) and a light collecting fiber (12) in one embodiment.

[0058] The condenser lens (11) is installed so as to have a predetermined first diameter as described above on one end facing the end (5) of the MT fiber (2) among the two end sides. Meanwhile, the condenser fiber (12) refers to an optical fiber-shaped component connected between the condenser lens (11) and the transmission line (20) while forming a curved or straight inclined inner surface so as to have a diameter smaller than the first diameter and a second smallest diameter on the other end connected to the transmission line (20).

[0059] In each of the above embodiments, the distance between the first diameter and the second diameter, i.e., the distance between one end and the other end of the light collecting portion (10), may be set differently to prevent loss of the light signal, depending on the emission angle (A) according to the characteristics of the light signal, etc., similar to what was described above.

[0060] According to this embodiment, an optical signal irradiated with a constant emission angle (A) from the exposed end (5) of the MT fiber (2) as described above is collected by a separate light collecting unit (10), and the collected optical signal maintains the same identity as the optical signal within the fiber (2). Accordingly, an optical signal that maintains the same identity as the optical signal within the fiber (2) will be transmitted to the transmission line (20), and this will be received by the measuring device (30).

[0061] At this time, as described above, the light collecting unit (10) preferably has a diameter of 4 to 8 mm, and collects light irradiated at an irradiation angle of A from one fiber end (5-1) exposed to the end (5) as shown in Fig. 5. In order to test in this environment, for example, if there are multiple single fiber ends (51), light emission is performed sequentially, and as shown in Fig. 5, the light collecting unit (10) moves along the central axis of each end according to the light emission order of the single fiber ends (51), so that the light emitted from each single fiber end (51) is sequentially collected and measured by the measuring device (30) to determine whether alignment is possible.

[0062] The measuring device (30) that receives such an optical signal determines whether there is alignment between the lens and the MT fiber by using the optical signal, such as an actual data signal, a test signal, or an image formed by a lens or the like transmitted from the measuring device (30). That is, the measuring device (30) generates image data formed on the lens according to the signal transmitted from the transmission line (20), and determines whether there is normal alignment between the end (5) of the MT fiber (2) and the lens by using the shape and focus matching of the image data.

[0063] At this time, whether the MT fiber (2) and the lens are properly aligned refers to the result value of whether the connection is accurately aligned to the focus of the lens when the lens-side short end of the MT fiber (2) is connected to the lens, and can be understood as a binary value having one of the values ​​of True / False or a value for a specific alignment value.

[0064] Meanwhile, the MT fiber (2) is a multi-channel MT fiber in which a plurality of optical fibers are arranged as described above, i.e., a configuration included in an MT fiber cable, and a plurality of MT fibers (2) form an end (5) at one terminal (3) and can be arranged as shown in the drawings. At this time, by collecting the light emitted from the end (51) of each optical fiber and measuring the power, the measuring device (30) determines whether the alignment is normal. This is possible by measuring the power when the light emitted from the end (51) of each optical fiber is sequentially generated from only one end, as described above.

[0065] In another embodiment of the present invention, the power of the entire end (5), i.e., the power of the entire optical fiber included in the MT fiber (2), as well as the power of each optical fiber end (51) may be measured to determine whether the alignment is achieved when light is transmitted from the entire optical fiber. In this case, as shown in FIG. 7, in addition to the configuration of the basic light collection unit (10) and the transmission line (20) that basically measure the power of the single end (51) of the optical fiber, a sub-light collection unit (10-1) and a sub-transmission line (20-1) that irradiate full power, i.e., light from the entire optical fiber included in the MT fiber (2), and collects the entire light may be additionally connected to the measuring device (30), so as to determine the alignment of each optical fiber and the alignment of the entire MT fiber (2). In this embodiment, the measurement for each optical fiber end (51) and the overall full power measurement are performed sequentially, and the light collecting unit (10) and the sub-light collecting unit (10-1) can be implemented to be movable to each other.

[0066] Meanwhile, depending on the type of MT fiber (2), the arrangement of the single side of the optical fiber placed at the end (5) may be implemented differently. In this case, the movement form of the light collecting unit (10) may be implemented differently according to the above-described embodiment.

[0067] To this end, referring to (a) and (b) of FIG. 6, first, in the embodiment of the multi-channel MT fiber in which the shapes of the ends (5-1, 5-2) of the MT fiber are formed so that a plurality of optical fibers are arranged differently as shown in (a) and (b), the light collecting unit (10) may be formed with different moving means for moving the light collecting unit (10) so that the moving directions (D1, D2) can be different depending on the arrangement shape of the optical fibers at the position of the light collecting unit (10) arranged on the end side facing the ends (5-1, 5-2) of the MT fiber. Alternatively, the moving means may be controlled differently so as to automatically move according to the D1, D2 moving directions.

[0068] This is because, when the shapes of the home (4) and the ends (5-1, 5-2) of the MT fiber are different for each terminal, the path along which the light collecting unit (10) must move may be set differently by sequential application of test signals, and in this case, in order to sequentially collect all light without loss, the position of the end side of the light collecting unit (10) facing the ends (5-1, 5-2) of the MT fiber is moved in each direction (D1, D2) according to the arrangement shape of the optical fiber.

[0069] According to this embodiment, even if it is not a contact method as described above, since all the optical signals widely distributed from the end (5) of the MT fiber (2) are collected by the light collecting unit (10) and then transmitted to the measuring instrument (30) through the transmission line (20), the alignment between the lens and the MT fiber can be accurately determined without optical loss or the problems of the existing technologies described above, such as a decrease in the accuracy of error determination and the transfer of foreign substances. In addition, as a problem of the existing adapter-type technology, the phenomenon of the parts themselves being damaged during separation can be completely prevented by selecting a hook-type fixing structure when connecting the female terminal on the optical component side and the male terminal on the measuring instrument side. In other words, the present invention is expected to completely solve the problems of the existing technologies while at the same time being able to determine the alignment between the lens and the MT fiber with great precision.

[0070] Although the embodiments have been described above with limited examples and drawings, those skilled in the art will understand that various modifications and variations are possible based on the above description. Terms such as "include," "comprise," or "have" described above mean that components that are not specifically described to the contrary may be inherent, and therefore should be interpreted as including other components rather than excluding other components. In addition, the protection scope of the present invention should be interpreted by the claims below, and all technical ideas within a scope equivalent thereto should be interpreted as being included in the scope of the rights of the present invention.

Claims

1. A light collecting unit that is spaced apart from the terminal end of the MT fiber connected to the lens of the optical component so as not to contact, and collects the optical signal transmitted from the end; A transmission line for receiving a signal collected from the above-mentioned collecting unit; and A non-contact determination device for alignment between a lens and an MT fiber unit of an optical component, characterized in that it includes a measuring device for determining alignment of the MT fiber and the lens using a signal transmitted from the transmission line.

2. In paragraph 1, The above light collecting part is, A non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, characterized in that the MT fiber is formed such that the diameter of one end facing the terminal side of the MT fiber among the two end ends is larger than the diameter of the other end connected to the transmission line.

3. In paragraph 1, The above light collecting part is, A condenser lens having a preset first diameter installed on one end facing the terminal end of the MT fiber among the two end ends; and A non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, characterized in that it comprises a condenser fiber connected between the condenser lens and the transmission line, the condenser fiber being formed to have a second diameter that is the smallest at the other end connected to the transmission line while the diameter is smaller than the first diameter.

4. In paragraph 1, The above light collecting part is, A non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, characterized in that the lens is spaced apart from the terminal side end of the MT fiber by a preset first distance, and the first distance is set differently depending on the emission angle of the MT fiber according to the size.

5. In paragraph 1 The above measuring instrument, A non-contact determination device for alignment between a lens and an MT fiber unit of an optical component, characterized in that it generates image data formed on a lens according to a signal transmitted from the transmission line, and determines whether the MT fiber and the lens are normally aligned using the shape and focus matching of the image data.

6. In paragraph 1, The above MT fiber is a multi-channel MT fiber in which a number of optical fibers are arranged. The above light collecting part is, A non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, characterized in that the horizontal and vertical diameters are set differently depending on the arrangement shape of the terminal end of the optical fiber.

7. In paragraph 1, The above MT fiber is a multi-channel MT fiber in which a number of optical fibers are arranged. The above light collecting part is, A non-contact determination device for alignment between a lens of an optical component and an MT fiber unit, characterized in that the maximum diameter is set according to the arrangement shape and emission angle of the terminal end of the optical fiber.

8. In paragraph 1, The above MT fiber is a multi-channel MT fiber in which a number of optical fibers are arranged. The above transmission line is, Including a plurality of optical fibers arranged in the same form as the arrangement form of the above MT fiber, each optical fiber receives a signal collected from the light collecting unit and transmits it to the measuring instrument, The above measuring instrument, A non-contact determination device for alignment between a lens and an MT fiber unit of an optical component, characterized in that it determines the alignment of the MT fiber and the lens for each signal transmitted from each of the above transmission lines.

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