CN202339263U - Detection system for return loss and directional return loss of optical fiber - Google Patents
Detection system for return loss and directional return loss of optical fiber Download PDFInfo
- Publication number
- CN202339263U CN202339263U CN201120476556XU CN201120476556U CN202339263U CN 202339263 U CN202339263 U CN 202339263U CN 201120476556X U CN201120476556X U CN 201120476556XU CN 201120476556 U CN201120476556 U CN 201120476556U CN 202339263 U CN202339263 U CN 202339263U
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- return loss
- optical fiber
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- detection system
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Abstract
The utility model relates to a detection system for return loss and directional return loss of optical fiber. The detection system comprises a light emitter for emitting a light signal, a light switch, a light coupler, a light distributor and a light power meter, wherein the light coupler is provided with a light source input end, an optical fiber detection end, a light reflection end and a directional return loss output end; the light emitter is connected with the light source input end through the light switch; the optical fiber detection end is connected with an optical fiber to be detected through the light distributor; the fiber core end face of the optical fiber to be detected is connected with the light power meter; and the light power meter is connected to the directional return loss output end of the light coupler. The detection system can be used for detecting the return loss of the optical fiber to be detected while detecting the directional return loss. According to the detection system, the quantity of peripheral matching devices of the detection system for return loss is reduced, the cost is lowered, the whole detection time of the optical fiber is shortened, the working efficiency is increased, and the labor cost is saved.
Description
Technical field
The utility model relates to fiber products detection technique field, relates in particular to a kind of detection system that is used for optical fiber return loss and directivity return loss.
Background technology
At present, the fiber products of enterprise production all need be through the detection of dispatching from the factory of strictness, and the specifications and characteristics of fiber products can influence the transmission and the access of fiber-optic signal if do not satisfy industry standard, and whole optical fiber communication line is caused significant impact; Therefore, have only during qualified fiber products just can come into the market.The detection of optical fiber pigtail is to detect the return loss of optical fiber to be detected and directivity return loss respectively in the conventional art; The directivity return loss detection system of optical fiber generally comprises optical transmitting set, photoswitch, photo-coupler, light distributor and the light power meter that is used to launch light signal; Photo-coupler has a light source input end, an optical fiber test side, a smooth reflection end and a directivity return loss output terminal; Optical transmitting set links to each other with the light source input end through photoswitch; The optical fiber test side links to each other with optical fiber to be detected through light distributor, and the fibre core end face of optical fiber to be detected links to each other with light power meter, forms the detection system of optical fiber directivity return loss.After this detection system detects the result, carry out optical fiber return loss again and detect, the optical fiber that direction of passage property return loss is detected inserts return loss detection detection system, carries out the detection of another data.This kind optical fiber detecting method operation is various, need repeatedly treat detection fiber and carry out butt joint processing, not only waste time and energy, and inefficiency, influenced the speed that fine light detects.
Summary of the invention
The utility model technical matters to be solved is the problem that the detection efficiency to the existence of existing fiber directivity return loss detection system and optical fiber return loss detection system is low and waste time and energy, and a kind of detection system that is used for optical fiber return loss and directivity return loss that can detect, have efficient detection efficient simultaneously to return loss of optical fiber directivity and return loss is provided.
For addressing the above problem, the technical scheme of the utility model is:
A kind of detection system that is used for optical fiber return loss and directivity return loss; Said detection system comprises optical transmitting set, photoswitch, photo-coupler, light distributor and the light power meter that is used to launch light signal; Said photo-coupler has a light source input end, an optical fiber test side, a smooth reflection end and a directivity return loss output terminal; Optical transmitting set links to each other with the light source input end through photoswitch; The optical fiber test side links to each other with optical fiber to be detected through light distributor, and the fibre core end face of optical fiber to be detected links to each other with light power meter, is connected with light power meter on the directivity return loss output terminal of said photo-coupler.
Preferably, be connected with light distributor between the optical fiber test side of said photo-coupler and the light distributor and use photoswitch.
Be compared to prior art; The detection system that is used for optical fiber return loss and directivity return loss of the utility model; In the photo-coupler of original optical fiber directivity return loss detection system, insert light power meter; Make system in detection side tropism's return loss, can detect the return loss of optical fiber to be detected, this detection system has reduced the peripheral matched equipment of return loss detection system, has reduced cost; Can detect return loss of optical fiber directivity and return loss simultaneously again, detection efficiency is high, has shortened the whole detection time of optical fiber, has improved work efficiency, has practiced thrift human cost.
Description of drawings
Fig. 1 is that the structure that the utility model is used for the optical fiber return loss and the detection system of directivity return loss is connected block diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment further explain the utility model, but the protection domain of the utility model is not limited to this.
With reference to Fig. 1, the detection system that is used for optical fiber return loss and directivity return loss of the utility model comprises that the optical transmitting set that is used to launch light signal, photoswitch, photo-coupler, light distributor are with photoswitch, light distributor and light power meter.Said optical transmitting set emission wavelength optical signals is an example with 1310nm light source and 1550nm light source in the utility model, and detailed introduction originally is used for the detection system of optical fiber return loss and directivity return loss.Said photo-coupler is the 2*2 photo-coupler, and be used to be coupled 1310nm light source and 1550nm light source, photo-coupler have a light source input end, an optical fiber test side, a smooth reflection end and a directivity return loss output terminal.Said photoswitch is the 1*2 photoswitch, and light distributor uses photoswitch to be the 1*8 photoswitch, and light distributor is the 1*8 light distributor, is used to dock the banded tail optical fiber of 8 cores.
Said optical transmitting set links to each other with the light source input end through photoswitch; The optical fiber test side is connected with light distributor in order with photoswitch and light distributor; Light distributor links to each other with optical fiber to be detected; The fibre core end face of optical fiber to be detected links to each other with light power meter, is connected with light power meter on the directivity return loss output terminal of photo-coupler, forms the optical communication circuit with this.In optical fiber to be detected detected, the return loss of optical fiber and directivity return loss can be detected by the light power meter that is connected on the directivity return loss output terminal simultaneously, detect when realizing optical fiber return loss and directivity return loss with this.
Claims (2)
1. detection system that is used for optical fiber return loss and directivity return loss; Said detection system comprises optical transmitting set, photoswitch, photo-coupler, light distributor and the light power meter that is used to launch light signal; Said photo-coupler has a light source input end, an optical fiber test side, a smooth reflection end and a directivity return loss output terminal; Optical transmitting set links to each other with the light source input end through photoswitch, and the optical fiber test side links to each other with optical fiber to be detected through light distributor, and the fibre core end face of optical fiber to be detected links to each other with light power meter; It is characterized in that, be connected with light power meter on the directivity return loss output terminal of said photo-coupler.
2. the detection system that is used for optical fiber return loss and directivity return loss according to claim 1 is characterized in that, is connected with light distributor between the optical fiber test side of said photo-coupler and the light distributor and uses photoswitch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201120476556XU CN202339263U (en) | 2011-11-25 | 2011-11-25 | Detection system for return loss and directional return loss of optical fiber |
Applications Claiming Priority (1)
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CN201120476556XU CN202339263U (en) | 2011-11-25 | 2011-11-25 | Detection system for return loss and directional return loss of optical fiber |
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CN202339263U true CN202339263U (en) | 2012-07-18 |
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CN201120476556XU Expired - Fee Related CN202339263U (en) | 2011-11-25 | 2011-11-25 | Detection system for return loss and directional return loss of optical fiber |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104280213A (en) * | 2014-09-23 | 2015-01-14 | 中天科技光纤有限公司 | Optical fiber testing device integration system and operation method |
-
2011
- 2011-11-25 CN CN201120476556XU patent/CN202339263U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104280213A (en) * | 2014-09-23 | 2015-01-14 | 中天科技光纤有限公司 | Optical fiber testing device integration system and operation method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20141125 |
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EXPY | Termination of patent right or utility model |