CN104076443A - Optical attenuation device with multiple gears - Google Patents
Optical attenuation device with multiple gears Download PDFInfo
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- CN104076443A CN104076443A CN201410322380.0A CN201410322380A CN104076443A CN 104076443 A CN104076443 A CN 104076443A CN 201410322380 A CN201410322380 A CN 201410322380A CN 104076443 A CN104076443 A CN 104076443A
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- decay
- dish
- optical fibre
- decay dish
- attenuator
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Abstract
The invention discloses an optical attenuation device with multiple gears. The optical attenuation device comprises a connector socket (1), an insertion cylinder (2), an input optical fiber (3), a first disc attenuator (4), a second disc attenuator (5), a concave lens (7), convex lenses (8) and an output optical fiber (9), wherein the insertion cylinder (2) penetrates through the connector socket (1) horizontally, the input optical fiber (3) and the output optical fiber (9) are horizontally inserted into the insertion cylinder (2) from the two ends of the insertion cylinder (2) respectively, the first disc attenuator (4) and the second disc attenuator (5) are arranged between the input optical fiber (3) and the output optical fiber (9) in parallel and connected with a connection rotating element (8), the end, adjacent to the first disc attenuator (4), of the input optical fiber (3) is connected with one convex lens (8), and the end, adjacent to the second disc attenuator (5), of the output optical fiber (9) is connected with the other convex lends (8). Through the structure, different multi-gear amounts of attenuation can be adjusted quickly, more accurately and more conveniently, and optical communication with special requirements can be met.
Description
Technical field
The present invention relates to the communications field, be specifically related to have the light attenuation device of many gears.
Background technology
The development of optical communication technique, to the requirement of optical attenuator performance is: insertion loss is low, return loss is high, the resolution linearity and reproducible, damping capacity adjustable extent is large, attenuation accuracy is high, device volume is little, environmental performance is good.Wherein, the resolution linearity depends on the holding property of attenuating elements and the reading display mode adopting and machinery adjustment structure, and repeatability also depends on adopted reading display mode and mechanical adjusting mechanism.The optical attenuator using is now wanted simply and accurately to adjust multiple fixedly class damping capacity and also cannot be realized, and regulates damping capacity convenient not, cannot meet the optical communication that some have specific (special) requirements.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and the light attenuation device with many gears is provided, and this device can adjust many grades of damping capacitys of different sizes fast and accurately, and it is more convenient to regulate, and can meet the optical communication of some specific (special) requirements.
For solving above-mentioned technical matters, the present invention is by the following technical solutions: the light attenuation device with many gears, connector body, insertion tube, input optical fibre, the first decay dish, the second decay dish, concavees lens, convex lens and output optical fibre, described insertion tube level is through connector body, input optical fibre and output optical fibre insert in insertion tube from the both ends horizontal of insertion tube respectively, between input optical fibre and output optical fibre, also be arranged in parallel the first decay dish and the second decay dish, equal connection of rotating part is coiled in the first decay dish and the second decay; Described input optical fibre is also connected convex lens with the first decay dish abutting end, and output optical fibre is also connected convex lens with the second decay dish abutting end.The first decay dish and the second decay dish are directly fixed in collimated light path, when light signal is after 1/4th pitch self-focusing convex lens collimations, during attenuator by the first decay dish and the second decay dish, luminous energy is attenuated, then is closed in optical fiber by second self-focusing convex lens focus handle.
The attenuator of the different decibels of one circle is evenly set on the first described decay dish and the surface of the second decay dish.Use the attenuator of differential declines amount, just can obtain the optical attenuator of respective attenuation value.
Described attenuator is plated film or absorption-type glass sheet.
The attenuator that all has 6 different decibels in the first described decay dish and the second decay panel surface.The first decay dish and the second decay dish are equipped with respectively 0dB, 5dB, l 0dB, 15dB 20 dB, six attenuators of 25dB, by tumbler, rotating these two decay coils, two differential declines sheets on disk are combined mutually, can obtain 5,10,15,20,25,30,35,40,45, ten grades of damping capacitys such as 50dB.It is quick and precisely convenient, simple to operate to regulate, and can meet the optical communication of some specific (special) requirements.
Between the first described decay dish and the second decay dish, there is gap and be parallel to each other.
Compared with prior art, the invention has the beneficial effects as follows:
1, this device is by regulating two decay dishes just can adjust fast and accurately many grades of damping capacitys of different sizes, and it is more convenient to regulate, and can meet the optical communication of some specific (special) requirements.
What 2, between the optical fiber of this device and self-focusing convex lens and optical fiber collimator, be coupled is fine, can greatly reduce the insertion loss of whole optical attenuator.
Accompanying drawing explanation
Fig. 1 is cut-open view of the present invention;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
In figure, Reference numeral is expressed as: 1, connector body; 2, insertion tube; 3, input optical fibre; 4, the first decay dish; 5, the second decay dish; 6, attenuator; 7, convex lens; 8, tumbler; 9, output optical fibre.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated, and embodiments of the invention are not limited to this.
Embodiment 1:
As shown in Figure 1-2, the present invention includes the light attenuation device with many gears, it is characterized in that: connector body 1, insertion tube 2, input optical fibre 3, the first decay dish 4, the second decay dish 5, concavees lens 7, convex lens 8 and output optical fibre 9, described insertion tube 2 levels are through connector body 1, input optical fibre 3 and output optical fibre 9 insert in insertion tube 2 from the both ends horizontal of insertion tube 2 respectively, the first decay dish 4 and the second decay dish 5, the first decay dishes 4 and the equal connection of rotating part 8 of the second decay dish 5 also be arranged in parallel between input optical fibre 3 and output optical fibre 9; Described input optical fibre 3 coils 4 abutting ends with the first decay and is also connected convex lens 7, and output optical fibre 3 coils 4 abutting ends with the second decay and is also connected convex lens 7.
The first decay dish and the second decay dish are directly fixed in collimated light path, when light signal is after 1/4th pitch self-focusing convex lens collimations, during attenuator by the first decay dish and the second decay dish, luminous energy is attenuated, then is closed in optical fiber by second self-focusing convex lens focus handle.This device is by regulating two decay dishes just can adjust fast and accurately many grades of damping capacitys of different sizes, and it is more convenient to regulate, and can meet the optical communication of some specific (special) requirements.What between input optical fibre wherein, output optical fibre and self-focusing convex lens and optical fiber collimator, be coupled is fine, can greatly reduce the insertion loss of whole optical attenuator.
Embodiment 2:
Preferably concrete structure is as follows on the basis of embodiment 1 for the present embodiment: the attenuator 6 that the different decibels of a circle are evenly set on the surface of the first decay dish 4 and the second decay dish 5.Use the attenuator of differential declines amount, just can obtain the optical attenuator of respective attenuation value.
Described attenuator 6 is plated film or absorption-type glass sheet.
The attenuator 6 that all has 6 different decibels on 5 surfaces is coiled in the first described decay dish 4 and the second decay.The first decay dish and the second decay dish are equipped with respectively 0dB, 5dB, l 0dB, 15dB 20 dB, six attenuators of 25dB, by tumbler, rotating these two decay coils, two differential declines sheets on disk are combined mutually, can obtain 5,10,15,20,25,30,35,40,45, ten grades of damping capacitys such as 50dB.It is quick and precisely convenient, simple to operate to regulate, and can meet the optical communication of some specific (special) requirements.
Between the first described decay dish 4 and the second decay dish 5, there is gap and be parallel to each other.
Just can realize this invention as mentioned above.
Claims (5)
1. the light attenuation device with many gears, it is characterized in that: connector body (1), insertion tube (2), input optical fibre (3), the first decay dish (4), the second decay dish (5), concavees lens (7), convex lens (8) and output optical fibre (9), described insertion tube (2) level is through connector body (1), input optical fibre (3) and output optical fibre (9) insert in insertion tube (2) from the both ends horizontal of insertion tube (2) respectively, the first decay dish (4) and the second decay dish (5) also be arranged in parallel between input optical fibre (3) and output optical fibre (9), the first decay dish (4) and the second decay dish (5) be connection of rotating part (8) all, described input optical fibre (3) is also connected convex lens (7) with the first decay dish (4) abutting end, and output optical fibre (3) is also connected convex lens (7) with the second decay dish (4) abutting end.
2. the light attenuation device with many gears according to claim 1, is characterized in that: the attenuator (6) that the different decibels of a circle are evenly set on the first described decay dish (4) and the surface of the second decay dish (5).
3. the light attenuation device with many gears according to claim 2, is characterized in that: described attenuator (6) is plated film or absorption-type glass sheet.
4. the light attenuation device with many gears according to claim 2, is characterized in that: the attenuator (6) that all has 6 different decibels on the first described decay dish (4) and the second decay dish (5) surface.
5. the light attenuation device with many gears according to claim 1, is characterized in that: between the first described decay dish (4) and the second decay dish (5), have gap and be parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322380.0A CN104076443A (en) | 2014-07-09 | 2014-07-09 | Optical attenuation device with multiple gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410322380.0A CN104076443A (en) | 2014-07-09 | 2014-07-09 | Optical attenuation device with multiple gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104076443A true CN104076443A (en) | 2014-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410322380.0A Pending CN104076443A (en) | 2014-07-09 | 2014-07-09 | Optical attenuation device with multiple gears |
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| CN (1) | CN104076443A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422026A (en) * | 2021-12-09 | 2022-04-29 | 武汉华中天经通视科技有限公司 | Self-stabilization device and method for space optical communication channel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247595A (en) * | 1991-06-17 | 1993-09-21 | Ab Stratos Connectors | Device for optical connection of an optical element, for example an optical fiber, with a lens |
| CN2513121Y (en) * | 2001-11-23 | 2002-09-25 | 鸿富锦精密工业（深圳）有限公司 | Fixed light attenuator |
| CN102135642A (en) * | 2011-02-28 | 2011-07-27 | 南京邮电大学 | Variable optical attenuator |
| CN202533605U (en) * | 2012-02-08 | 2012-11-14 | 福州通产光电技术有限公司 | Improved attenuator |
| CN203930116U (en) * | 2014-07-09 | 2014-11-05 | 成都美美通信技术有限公司 | Pleiotaxy optical attenuator |
-
2014
- 2014-07-09 CN CN201410322380.0A patent/CN104076443A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247595A (en) * | 1991-06-17 | 1993-09-21 | Ab Stratos Connectors | Device for optical connection of an optical element, for example an optical fiber, with a lens |
| CN2513121Y (en) * | 2001-11-23 | 2002-09-25 | 鸿富锦精密工业（深圳）有限公司 | Fixed light attenuator |
| CN102135642A (en) * | 2011-02-28 | 2011-07-27 | 南京邮电大学 | Variable optical attenuator |
| CN202533605U (en) * | 2012-02-08 | 2012-11-14 | 福州通产光电技术有限公司 | Improved attenuator |
| CN203930116U (en) * | 2014-07-09 | 2014-11-05 | 成都美美通信技术有限公司 | Pleiotaxy optical attenuator |
Non-Patent Citations (1)
| Title |
|---|
| 林学煌等: "《光无源器件》", 30 April 1998 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422026A (en) * | 2021-12-09 | 2022-04-29 | 武汉华中天经通视科技有限公司 | Self-stabilization device and method for space optical communication channel |
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Application publication date: 20141001 |
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