KR100418714B1 - Apparatus for combining filter to collimator - Google Patents

Abstract

The present invention relates to a filter coupling device for a collimator, comprising: a chucking holder for chucking a collimator provided with a single fiber; An optical supply unit for transmitting a predetermined optical signal to the fiber of the collimator; A filter disposed in contact with an end of the collimator to filter the optical signal introduced into the collimator; A heating unit for heating a contact area between the collimator and the filter; An optical receiver provided on the chucking holder to receive the optical signal incident through the fiber; And an image display unit which outputs the signal received by the optical receiver as an image. Thereby, there is provided a filter coupling device for a collimator that can easily couple a filter to an end of the collimator.

Description

Filter combiner for collimator {Apparatus for combining filter to collimator}

The present invention relates to a collimator automatic production apparatus.

A so-called collimator, an optical communication device, refers to a device that converts light incident through a light source into parallel light. Such collimators are generally employed as one part in various equipments requiring parallel light such as optical communication equipment or semiconductor equipment.

A filter can be coupled to the end of the collimator. The filter is provided to filter some of the incident light incident on the fiber provided in the collimator.

However, in the related art, the combination of the collimator and the filter has all been dependent only on manual labor. In other words, using a tool such as tweezers to hold the collimator and the filter, respectively, and then apply an epoxy-like adhesive to either side of the collimator and the filter. Then, the filter is coupled to the end of the collimator, and the filter is coupled to the collimator by standing for a predetermined time.

As described above, since the combination of the collimator and the filter has been all dependent only on the manual work, the manufacturing efficiency is remarkably reduced and the reliability of the product is inevitably deteriorated. In addition, there is a problem that the production time is relatively high, productivity is significantly reduced.

Accordingly, it is an object of the present invention to provide a filter coupling device for a collimator that allows the filter to be easily coupled to an end of the collimator.

1 is a cross-sectional view of the collimator,

2 is a schematic front view of a filter coupling device for a collimator according to the present invention,

3 to 5 is a perspective view of the operating state of the chucking member,

6A through 6E are diagrams illustrating a process of combining a collimator and a filter step by step.

* Explanation of symbols for the main parts of the drawings

10: collimator 12: pigtail

13 green lens 15 glass tube

16: metal sleeve 20: filter support

30: chucking holder 66: heating unit

70: video display unit

The object is, according to the present invention, a chucking holder for chucking a collimator provided with a single fiber; An optical supply unit for transmitting a predetermined optical signal to the fiber of the collimator; A filter disposed in contact with an end of the collimator to filter the optical signal introduced into the collimator; A heating unit for heating a contact area between the collimator and the filter; An optical receiver provided on the chucking holder to receive the optical signal incident through the fiber; It is achieved by a filter combiner for a collimator, characterized in that it comprises an image display unit for outputting the signal received in the light receiving unit as an image.

The chucking holder may include a fixed block having a seating knob on which the collimator is seated; One end is rotatably coupled to one side of the fixed block and the other end is detachable to the other side of the fixed block includes a movable block for mounting and supporting the collimator to the seating knob.

The locking member may further include a locking member that prevents the movable block from being separated from the fixed block while the movable block is coupled to the fixed block.

In addition, the heating unit is advantageously an ultraviolet light emitting unit disposed radially around the filter on the outside of the filter support.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the collimator 10 includes a pigtail 12 and a green lens 14 arranged on a mutually coaxial line, and a pigtail 12 and a green lens 14. It includes a tubular glass tube (15) that is received and supported, and a metal sleeve (16) for protecting the glass tube (15) from the outside.

The pigtail 12 formed of a glass material is provided with a fiber 13 for forming a light incidence path so that predetermined light is incident on one end thereof. At the other end, a predetermined inclined surface 12a is formed.

An inclined surface 14a similar to the inclined surface 12a of the pigtail 12 is formed at one end of the green lens 14 coaxially with the pigtail 12. The inclined surfaces 12a and 14a of the pigtail 12 and the green lens 14 are inclined to correspond to each other.

In order to manufacture the collimator 10 having such a configuration, first, the green lens 14 is inserted and fixed into the tubular glass tube 15. One end of the green lens 14 having the inclined surface 14a is inserted into the glass tube 15, and the other end of the green lens 14 is exposed to the outside of the glass tube 15 by a predetermined length.

When the green lens 14 is accommodated in one side of the glass tube 15, the pigtail 12 is inserted into the other side. The pigtail 12 is inclinedly disposed so as to correspond to the inclined surface 14a of the green lens 14 that has one end formed with the inclined surface 12a accommodated in the glass tube 15 and is already accommodated in the glass tube 15.

At this time, the inclined surface 12a of the pigtail 12 is inclined with respect to the inclined surface 14a of the green lens 14 while undergoing an alignment process so as to meet a predetermined optical characteristic condition, and then If the conditions are met, the pigtail 12 is fixed in the glass tube 15.

When the green lens 14 and the pigtail 12 are accommodated in the glass tube 15, the glass tube 15 is inserted into the tubular metal sleeve 16, and then the epoxy resin 17 is applied to the glass tube. Manufacturing of the collimator 10 is completed by fixing 15 and the metal sleeve 16 mutually.

The collimator 10 manufactured as described above is employed in optical communication equipment or semiconductor equipment to convert light incident through a light source into parallel light. At this time, it is necessary to filter a part of the incident light incident from the light source. In this case, the filter 1 is coupled to the end of the collimator 10 using the filter coupling device according to the present invention.

The filter coupling device according to the present invention, as shown in Figure 2, the chucking holder 30 for chucking the collimator 10 provided with a single fiber 13, and filters the optical signal introduced into the collimator 10 A filter (1) disposed in contact with an end of the collimator (10), and a plurality of heaters (66) provided at the side of the chucking holder (30) to heat the contact area between the collimator (10) and the filter (1). do.

As shown in FIGS. 3 and 4, the chucking holder 30 includes a fixed block 31 having a seating knob 31a on which the collimator 10 is seated, and a collimator 10 seated on the seating knob 31a. It has a movable block 32 for pressing the side of the toward the fixed block 31 to support the collimator 10 to the mounting knob (31a) with the fixed block 31.

One side of the fixed block 31 is formed with a projection (31b) formed with a hinge hole (not shown). One end of the movable block 32 is provided with a pair of hinge brackets 32a in which protrusions 31b are inserted and hinge holes (not shown) are formed to communicate with the hinge holes provided in the protrusions 31b. A hinge pin 33 is inserted into the hinge hole of the hinge bracket 32a and the hinge hole of the protrusion 31b which are in communication with each other. Thus, one end of the movable block 32 is rotatable with respect to one side of the fixed block 31.

The other end of the movable block 32 is provided with a magnet 34 capable of engaging and disengaging while magnetically contacting the other side of the fixed block 31. The other end of the movable block 32 is provided with a handle 35 for holding the movable block 32.

The handle part 35 is employ | adopted by the adjustment bolt arrange | positioned so that the plate surface of the movable block 32 may be carried out. The adjustment bolt serves to adjust the gap between the fixed block 31 and the movable block 32 as well as the handle. That is, when the movable bolt 32 is coupled to the fixed block 31 in a state in which the adjustment bolt is rotated in the fastening direction so that the end thereof protrudes from the inner surface of the movable block 32 by a predetermined length, the movable block 32 is movable with the fixed block 31. The gap between the blocks 32 can be wider. At this time, the magnet 34 is provided at the other end of the movable block 32, there is no problem in coupling between the movable block 32 and the fixed block 31. It is preferable that a buffer rubber is interposed in the inner surface of the movable block 32.

The locking member 40 is provided on the side of the fixed block 31. The locking member 40 includes a connecting shaft 41 crossing the plate surface of the fixed block 31, first and second movable pieces 42 and 43 coupled to both ends of the connecting shaft 41, and a first movable member. The movable block 32, which is bent at the end of the piece 42 and coupled to the fixed block 31, has a departure preventing portion 44 that prevents the movable block 32 from being separated from the fixed block 31.

On the other hand, the fiber 13 of the collimator 10 is connected to the light supply unit 63 for supplying a light source. Accordingly, the light supplied by the light supply unit 63 is incident on the fiber 13 of the collimator 10, passes through the pigtail and the green lens forming the collimator 10, and passes through the filter 1 to receive the light receiver 64. Is delivered.

As shown in FIG. 2, the light receiver 64 is disposed above the collimator 10 at predetermined intervals to receive an optical signal passing through the collimator 10 and the filter 1 to the image display unit 70. The image is transmitted and output as an image (see FIG. 6D).

As shown in FIG. 2, the heating unit 66 is disposed radially around the filter 1 to heat the contact area between the collimator 10 and the filter 1. Although the heater etc. can be employ | adopted as the heating part 66, the ultraviolet-ray heating part which emits ultraviolet heat is employ | adopted in this invention.

When the contact area between the collimator 10 and the filter 1 is heated by the heating unit 66, it is necessary to grasp the heating state of the contact area and the arrangement state of the collimator 10 with respect to the filter 1, and the like. A plurality of cameras (not shown) may be further provided on the side of the movable block 32 to capture the contact area between the collimator 10 and the filter 1.

Referring to the operation of the filter coupling device for a collimator having such a configuration as follows.

First, the collimator 10 is chucked to the chucking holder 30. That is, as shown in FIG. 3, the movable block 32 is pivotally opened with respect to the fixed block 31 with the hinge pin 33 provided at one end of the movable member as an axis. After placing the collimator 10 on the seating knob 31a provided in the fixed block 31, the movable member is rotated again, and the magnet 34 provided at the other end of the movable member magnetically on the other side of the fixed block 31. To be combined (see FIG. 4). At this time, the second movable piece 43 is in contact with one side of the fixed block 31 and the first movable piece 42 should be spaced apart from the other side of the fixed block 31.

Then, the first movable piece 42 is pressed toward the second movable piece 43. Then, while the separation prevention portion 44 provided on the first movable piece 42 is disposed on the side of the movable member, the first movable piece 42 contacts the other side of the fixed block 31 and the second movable piece ( 43 is completed by locking the movable block 32 while being spaced apart from one side of the fixed block 31 (see Fig. 5).

When the mounting of the collimator 10 is completed, the adhesive (E) such as epoxy is applied to either side of the filter 1 and the exposed end of the collimator 10. In the present invention, epoxy is applied to the end of the filter 1.

When the loading process of the collimator 10 is completed (see FIG. 6A), an epoxy is applied to the end of the filter 1, and then the filter 1 is brought into contact with the end of the collimator 10 (see FIGS. 6B and 6C). ). Then, the light source is supplied to the fiber 13 of the collimator 10 through the light supply unit 63. Accordingly, the light incident on the fiber 13 passes through the pigtail and the green lens forming the collimator 10, passes through the filter 1, and is received by the light receiving unit 64. The optical signal received by the optical receiver 64 is transmitted to the image display unit 70 and output as an image (see FIG. 6D). Accordingly, the operator monitors the image display unit 70 and arranges the filter 1 in the correct position with respect to the collimator 10 when the collimator 10 and the filter 1 are not disposed properly.

When the arrangement of the collimator 10 and the filter 1 is completed, the heating unit 66 is operated to couple the filter 1 to the collimator 10 to heat the contact area between the collimator 10 and the filter 1. (See Figure 6E).

As described above, according to the present invention, the filter 1 can be easily coupled to the end of the collimator 10.

As described above, according to the present invention, there is provided a filter coupling device for a collimator, which allows the filter to be easily coupled to an end of the collimator.

Claims (4)

A chucking holder for chucking a collimator provided with a single fiber; An optical supply unit for transmitting a predetermined optical signal to the fiber of the collimator; A filter disposed in contact with an end of the collimator to filter the optical signal introduced into the collimator; A heating unit for heating a contact area between the collimator and the filter; An optical receiver provided on the chucking holder to receive the optical signal incident through the fiber; And a video display unit for outputting a signal received by the optical receiver as an image. The method of claim 1, The chucking holder, A fixed block having a seating knob on which the collimator is seated; One end is rotatably coupled to one side of the fixed block and the other end is detachable to the other side of the fixed block includes a collimator filter coupling device comprising a movable block for mounting the collimator to the seating knob. The method of claim 2, And a locking member for preventing the movable block from being separated from the fixed block while the movable block is coupled to the fixed block. The method of claim 1, The heating unit is a filter coupling device for a collimator, characterized in that the ultraviolet light emitting unit for emitting ultraviolet light toward the contact area.