CN205120343U - Laser monitoring device - Google Patents
Laser monitoring device Download PDFInfo
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- CN205120343U CN205120343U CN201520826475.6U CN201520826475U CN205120343U CN 205120343 U CN205120343 U CN 205120343U CN 201520826475 U CN201520826475 U CN 201520826475U CN 205120343 U CN205120343 U CN 205120343U
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- optical fiber
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- surrounding layer
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Abstract
The utility model discloses a laser monitoring device, comprising a fiber body, the fibre core of fluted exposed optic fibre body is seted up to the optic fibre body, no core fibre, the exposed surrounding layer of one end of no core fibre, wherein, the one end of no core fibre set up in in the recess, and the naked surrounding layer of the one end of no core fibre institute with the laminating of the naked fibre core of optic fibre body, the coating medium, the coating dielectric ring is around surrounding the naked fibre core of optic fibre body and do not have the naked surrounding layer of core fibre, radiating basal plate, the coating medium is fixed in radiating basal plate is last, light detection device, light detection device with the other end of no core fibre is connected. In this way, the utility model discloses can enough monitor the optical information of optic fibre body, can strip the parasitics light in the optic fibre body again, dispel the heat to the optic fibre body.
Description
Technical field
The utility model relates to laser treatment technique field, particularly relates to a kind of laser monitor device.
Background technology
In the transmitting procedure of light, part optical signals can flee from fibre core, escapes to inner cladding, enter surrounding layer again afterwards, and the light that optical fiber has not absorbed enters surrounding layer by inner cladding, optical fiber output point temperature not in time of dispelling the heat can be caused too high, thus affect stability and the reliability of optical fiber;
In order to improve stability and the reliability of optical fiber, usually need the node different to optical fiber to carry out laser monitor, and input the power of light to the laser instrument of optical fiber according to monitoring the data point reuse obtained.At present, laser monitor adopts fiber coupler incoming fiber optic to monitor mostly, but the price comparison of fiber coupler is expensive, easily causes laser monitor high cost.In addition, the mode being undertaken monitoring by fiber coupler incoming fiber optic also needs to arrange multiple fusion point between fiber coupler and optical fiber, increases the light loss of optical fiber.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of laser monitor device, can either monitor the optical information of optical fiber body, again can veiling glare in peeling optical fibre body, dispels the heat to optical fiber body.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of laser monitor device, comprise optical fiber body, described optical fiber body offers the fibre core of groove nuditing fiber body; Coreless fiber, the exposed surrounding layer in one end of described coreless fiber, wherein, one end of described coreless fiber is arranged in described groove, and the exposed surrounding layer in one end of described coreless fiber and the exposed fibre core of described optical fiber body are fitted; Coated media, described coated media is around surrounding the exposed fibre core of described optical fiber body and the exposed surrounding layer of coreless fiber; Heat-radiating substrate, described coated media is fixed on described heat-radiating substrate; Optical detection device, described optical detection device is connected with the other end of described coreless fiber.
Wherein, described optical fiber body comprises: the first optical fiber; Second optical fiber, one end of described second optical fiber and one end welding of the first optical fiber are fixed, and described groove is positioned at the fusion point place of described second optical fiber and the first optical fiber.
Wherein, the quantity of described coreless fiber is two, is respectively the first coreless fiber and the second coreless fiber; Described first coreless fiber and the exposed surrounding layer of the second coreless fiber fit in the both sides of the exposed fibre core of described first optical fiber and the exposed fibre core of the second optical fiber respectively.
Wherein, the end face of described first coreless fiber exposed surrounding layer one end contacts with described first optical fiber, and the end face of described second coreless fiber exposed surrounding layer one end contacts with described second optical fiber.
Wherein, the surrounding layer length that described coreless fiber is exposed equals the exposed core length of described optical fiber body.
Wherein, the core length that described optical fiber body is exposed is 25 millimeters.
Wherein, described optical detection device is oscillograph.
Wherein, described optical detection device is spectrometer.
Wherein, described laser monitor device also comprises laser instrument; Described laser instrument is connected with the other end of described first optical fiber or the other end of the second optical fiber, for inputting laser to the first optical fiber or the second optical fiber.
Wherein, the output power range of described laser instrument is 200mw ~ 20w.
The beneficial effects of the utility model are: the situation being different from prior art, the utility model offers the fibre core of groove nuditing fiber body on optical fiber body, by surrounding layer that is exposed for one end of coreless fiber, and one end of coreless fiber is arranged in groove, wherein, the surrounding layer that one end of coreless fiber is exposed and the exposed fibre core of optical fiber body are fitted, by coated media around surrounding the exposed fibre core of optical fiber body and the exposed surrounding layer of coreless fiber, and coated media is fixed on heat-radiating substrate, optical detection device is connected with the other end of coreless fiber, realize the monitoring to optical fiber body, in addition, because heat-radiating substrate non-selectivity can absorb light, can the middle nothing of filtering optical fiber body effectively use up, the veiling glare in peeling optical fibre body, can more effective absorption and heat radiation to the flashlight escaped and pump light.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model laser monitor device embodiments forward supervision;
Fig. 2 is the schematic diagram of the utility model laser monitor device embodiments backward supervision;
Fig. 3 is the schematic diagram of the utility model laser monitor device embodiments bidirectional monitoring;
Fig. 4 is the schematic diagram of the utility model laser monitor device embodiments multilevel monitor.
Embodiment
For the ease of understanding the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.It should be noted that, when element is stated " being fixed on " another element, it can directly on another element or can there is one or more element placed in the middle therebetween.When an element is stated " connection " another element, it can be directly connected to another element or can there is one or more element placed in the middle therebetween.The term " vertical " that this instructions uses, " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this instructions and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model in this instructions just in order to describe concrete embodiment is not for limiting the utility model.The term "and/or" that this instructions uses comprises arbitrary and all combinations of one or more relevant Listed Items.
Below in conjunction with drawings and embodiments, the utility model is described in detail.
Refer to Fig. 1, laser monitor device 20 comprises heat-radiating substrate 21, optical fiber body 22, coreless fiber 23, coated media 24 and optical detection device 25.
Optical fiber body 22 offers the fibre core of groove (sign) nuditing fiber body 22.Wherein, optical fiber body 22 offers reeded a kind of mode: the surrounding layer at the control point place of optical fiber body 22 and coat are divested; thus groove is formed on optical fiber body 22; and optical fiber body 22 is positioned at the fibre core at control point place owing to not having the protection of surrounding layer and coat, it is out exposed.
The exposed surrounding layer in one end (sign) of coreless fiber 23.Wherein, the mode of the exposed surrounding layer in one end of coreless fiber 23 can be: make its surrounding layer exposed by divesting coat in one end of coreless fiber 23.One end of coreless fiber 23 is arranged in groove, and the exposed surrounding layer in one end of coreless fiber 23 and the exposed fibre core of optical fiber body 22 are fitted.Coated media 24 is around surrounding the exposed fibre core of optical fiber body 22 and the exposed surrounding layer of coreless fiber 23, and in brief, fibre core exposed for optical fiber body 22 and the exposed surrounding layer of coreless fiber 23 protect by coated media 24 again.Coated media 24 is fixed on heat-radiating substrate 21.Optical detection device 25 is connected with the other end of coreless fiber 23.
After coreless fiber 23 is coupled with optical fiber body 22, in optical fiber body 22, about 1/1000 ~ 2/1000 of gross energy can enter in coreless fiber 23, for the common low power laser of 200mw ~ 20w scope, about there is the light of 0.5mw ~ 20mw to enter coreless fiber 23, enough monitor for light.And the light being incident to coreless fiber 23 can transfer to optical detection device 25 by coreless fiber 23, optical detection device 25 scans the light received, thus obtains the relevant optical information of optical fiber body 22.In the present embodiment, optical detection device 25 can be spectrometer or oscillograph, and spectrometer can carry out spectral analysis, and oscillograph can carry out pulse scanning; The exposed surrounding layer length of coreless fiber 23 equals the exposed core length of optical fiber body 22, and preferably, the core length that optical fiber body 22 is exposed is 25 millimeters.
Concrete, optical fiber body 22 can by two fused fiber splices, then optical fiber body 22 comprises the first optical fiber 221 and one end of the second optical fiber 222, second optical fiber 222 and one end welding of the first optical fiber 221 and fixes, and groove is positioned at the fusion point place of the second optical fiber 222 and the first optical fiber 221.In brief, when after the first optical fiber 221 and the second optical fiber 222 welding, offer groove at the first optical fiber 221 and the second optical fiber 222 weld, with the fibre core spiral shell dew of the first optical fiber 221 and the second optical fiber 222 that make fusion point place.
Further, according to the transmission direction of laser, by regulating the merging direction of the fusion point of coreless fiber 23 and optical fiber body 22, the forward supervision to optical fiber body 22 and backward supervision can be realized, such as: when laser is transmitted to the second optical fiber 222 by the first optical fiber 221, if coreless fiber 23 exposed surrounding layer one end end face contacts with the first optical fiber 221, then realize carrying out forward supervision to optical fiber body 22, as shown in Figure 1; If coreless fiber 23 exposed surrounding layer one end end face contacts with the second optical fiber 222, then realize carrying out backward supervision to optical fiber body 22, as shown in Figure 2.Certainly, also can arrange two coreless fiber 23 to monitor, article two, coreless fiber is respectively the first coreless fiber 231 and the second coreless fiber 232, certainly, the quantity of optical detection device 25 is also two, the other end of exposed surrounding layer is not had to be connected with the first coreless fiber 231 and the second coreless fiber 232 respectively, first coreless fiber 231 and the exposed surrounding layer of the second coreless fiber 232 fit in the both sides of the exposed fibre core of the first optical fiber 221 and the exposed fibre core of the second optical fiber 222 respectively, if first coreless fiber 231 exposed surrounding layer one end and the exposed surrounding layer one end of the second coreless fiber 232 all contact with the first optical fiber 221 or the second optical fiber 222, then realize forward or reverse dual monitoring, if the end face of first exposed surrounding layer one end of coreless fiber 231 contacts with the first optical fiber 221, the end face of second exposed surrounding layer one end of coreless fiber 232 contacts with the second optical fiber 222, then realize the forward to optical fiber body 22 and backward supervision, as shown in Figure 3.
Certainly, also can arrange the multilevel monitor to optical fiber body 22, as shown in Figure 4, arrange Two monitor levels to optical fiber body 22, wherein first order monitoring is forward supervision, and second level monitoring is positive and negative bidirectional monitoring.
Laser monitor device 20 also comprises laser instrument (not shown).Laser instrument is connected with the other end of the first optical fiber 221 or the other end of the second optical fiber 222, for inputting laser to the first optical fiber 221 or the second optical fiber 222.In the present embodiment, the output power range of described laser instrument is 200mw ~ 20w.For the laser instrument of 200mw ~ 20w, it about has the light of 0.5mw-20mw to enter coreless fiber, enough for the Scanning Detction of spectrum and pulse.
In embodiments of the present invention, optical fiber body is offered the fibre core of groove nuditing fiber body, by surrounding layer that is exposed for one end of coreless fiber, and one end of coreless fiber is arranged in groove, wherein, the surrounding layer that one end of coreless fiber is exposed and the exposed fibre core of optical fiber body are fitted, by coated media around surrounding the exposed fibre core of optical fiber body and the exposed surrounding layer of coreless fiber, and coated media is fixed on heat-radiating substrate 21, optical detection device 25 is connected with the other end of coreless fiber, realizes the monitoring to optical fiber body; In addition, because heat-radiating substrate 21 non-selectivity can absorb light, can the middle nothing of filtering optical fiber body effectively use up, the veiling glare in peeling optical fibre body, can more effective absorption and heat radiation to the flashlight escaped and pump light.
It should be noted that, preferably embodiment of the present utility model is given in instructions of the present utility model and accompanying drawing thereof, but, the utility model can be realized by many different forms, be not limited to the embodiment described by this instructions, these embodiments not as the extra restriction to the utility model content, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.Further, above-mentioned each technical characteristic continues combination mutually, is formed not at above-named various embodiment, is all considered as the scope that the utility model instructions is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1. a laser monitor device, is characterized in that, comprising:
Optical fiber body, described optical fiber body offers the fibre core of groove nuditing fiber body;
Coreless fiber, the exposed surrounding layer in one end of described coreless fiber, wherein, one end of described coreless fiber is arranged in described groove, and the exposed surrounding layer in one end of described coreless fiber and the exposed fibre core of described optical fiber body are fitted;
Coated media, described coated media is around surrounding the exposed fibre core of described optical fiber body and the exposed surrounding layer of coreless fiber;
Heat-radiating substrate, described coated media is fixed on described heat-radiating substrate;
Optical detection device, described optical detection device is connected with the other end of described coreless fiber.
2. laser monitor device according to claim 1, is characterized in that,
Described optical fiber body comprises:
First optical fiber;
Second optical fiber, one end of described second optical fiber and one end welding of the first optical fiber are fixed, and described groove is positioned at the fusion point place of described second optical fiber and the first optical fiber.
3. laser monitor device according to claim 2, is characterized in that,
The quantity of described coreless fiber is two, is respectively the first coreless fiber and the second coreless fiber;
Described first coreless fiber and the exposed surrounding layer of the second coreless fiber fit in the both sides of the exposed fibre core of described first optical fiber and the exposed fibre core of the second optical fiber respectively.
4. laser monitor device according to claim 3, is characterized in that,
The end face of described first coreless fiber exposed surrounding layer one end contacts with described first optical fiber, and the end face of described second coreless fiber exposed surrounding layer one end contacts with described second optical fiber.
5. laser monitor device according to claim 1 and 2, is characterized in that,
The exposed surrounding layer length of described coreless fiber equals the exposed core length of described optical fiber body.
6. laser monitor device according to claim 5, is characterized in that,
The core length that described optical fiber body is exposed is 25 millimeters.
7. laser monitor device according to claim 1 and 2, is characterized in that,
Described optical detection device is oscillograph.
8. laser monitor device according to claim 1 and 2, is characterized in that,
Described optical detection device is spectrometer.
9. laser monitor device according to claim 2, is characterized in that,
Described laser monitor device also comprises laser instrument;
Described laser instrument is connected with the other end of described first optical fiber or the other end of the second optical fiber, for inputting laser to the first optical fiber or the second optical fiber.
10. laser monitor device according to claim 9, is characterized in that,
The output power range of described laser instrument is 200mw ~ 20w.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826475.6U CN205120343U (en) | 2015-10-23 | 2015-10-23 | Laser monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826475.6U CN205120343U (en) | 2015-10-23 | 2015-10-23 | Laser monitoring device |
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| CN205120343U true CN205120343U (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676357A (en) * | 2016-04-01 | 2016-06-15 | 深圳市创鑫激光股份有限公司 | Optical fiber fusion point processing method and fiber laser |
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- 2015-10-23 CN CN201520826475.6U patent/CN205120343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676357A (en) * | 2016-04-01 | 2016-06-15 | 深圳市创鑫激光股份有限公司 | Optical fiber fusion point processing method and fiber laser |
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