CN103811988A - Method and device for controlling power of optical fibre laser device - Google Patents
Method and device for controlling power of optical fibre laser device Download PDFInfo
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- CN103811988A CN103811988A CN201410067753.4A CN201410067753A CN103811988A CN 103811988 A CN103811988 A CN 103811988A CN 201410067753 A CN201410067753 A CN 201410067753A CN 103811988 A CN103811988 A CN 103811988A
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Abstract
The invention provides a method and a device for controlling the power of an optical fibre laser device. The method comprises the following steps of: A, providing the optical fibre laser device with an actual set power of Y and an actual output power X; b, acquiring the relationship function between the actual set power of Y and the actual output power X of the optical fibre laser device; C, adjusting the actual set power Y of the optical fibre laser device according to the value of the actual output power X, and the relationship function between the actual set power of Y and the actual output power X. According to the method and the device for controlling the power of the optical fibre laser device, the actual output power of the optical fibre laser device is corrected by the relationship function between the actual set power of Y and the actual output power X to equal to or approach to an ideal set power, thus having great significance in product quality control on the optical fibre laser device.
Description
Technical field
The present invention relates to fiber laser field, relate in particular to a kind of fiber laser Poewr control method and device.
Background technology
For desirable fiber laser, its actual power output (Pout) and theoretical setting power (Pin) should be proportional, and Pout=Pin.But due to the impact of the factor such as individual difference, temperature of fiber laser components and parts, the relation that causes Pout and Pin is not the direct ratio functional relation of standard, but certain curved line relation Pout=f (Pin).This can cause in the time of identical setting power (Pin is identical), and the real output of different fiber laser can difference (being Pout difference).Following form is the test data of 5 different fiber lasers, and #3742415, #375455, #376221, #376222 and the #376417 in table is respectively the numbering of 5 different fiber lasers:
As can be seen from the above data, different fiber lasers differ greatly, and this use to client has larger puzzlement, because under identical setting power, the input power difference of laser, will cause the very difficult quality of controlling product.
Summary of the invention
Given this, be necessary to provide in fact a kind of fiber laser Poewr control method and device of the fiber laser real output that can accurately control fiber laser power output.
The present invention solves in order to address the above problem, and the invention provides a kind of fiber laser Poewr control method, comprises the following steps:
A a: fiber laser is provided, and the actual set power of this fiber laser is Y, and real output is X;
B: obtain the relation function between actual set power Y and the real output X of this fiber laser;
C: the actual set power Y that adjusts described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
In an execution mode, the relation function between actual set power Y and real output X in step B is: Y=AX therein
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
In an execution mode, A is 1.3E-7 therein; B is-7.6E-5 that C is 0.8168; D is 56.283.
In an execution mode, described fiber laser has a theory setting power Z therein, and described theory equals described real output.
The present invention solves in order to address the above problem, and the present invention also provides a kind of fiber laser output control device, comprises memory module, analysis module and adjusting module; Fiber laser output control device and fiber laser are electrically connected; Described memory module stores actual set power Y and the real output X of this fiber laser; Described analysis module is for obtaining the relation function between actual set power Y and the real output X of this fiber laser; Described adjusting module is for adjusting the actual set power Y of described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
In an execution mode, the relation function between described actual set power Y and real output X is: Y=AX therein
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
In an execution mode, A is 1.3E-7 therein; B is-7.6E-5 that C is 0.8168; D is 56.283.
In an execution mode, described fiber laser has a theory setting power Z therein, and described theory setting power equals described real output, and described memory module is also stored this theory setting power Z.
Fiber laser Poewr control method of the present invention and device, by the relation function between actual set power Y and real output X, the real output of fiber laser is calibrated, make the real output of fiber laser equal or approach theory setting power, the control of product quality of light fiber laser is had to very large meaning.
Accompanying drawing explanation
Fig. 1 is the flow chart of this Mingguang City's fibre laser Poewr control method;
Fig. 2 most Fig. 6 is the relation curve between real output and the actual set power of five different lasers of this Mingguang City's fibre laser Poewr control method;
Fig. 7 is the block diagram of this Mingguang City's fibre laser output control device.
Embodiment
Below in conjunction with accompanying drawing, the present embodiment is described further.
Refer to Fig. 1, the invention provides a kind of fiber laser Poewr control method, comprise the following steps:
A a: fiber laser is provided, and the actual set power of this fiber laser is Y, and real output is X; Number in this step " one " is not limited to one, and it is applicable to arbitrary fiber laser.
B: obtain the relation function between actual set power Y and the real output X of this fiber laser; In present embodiment, the relation function between actual set power Y and real output X is: Y=AX
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
C: the actual set power Y that adjusts described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
Wherein, described fiber laser has a theory setting power Z, and described theory equals described real output.
As Fig. 2 to Fig. 6, number respectively #3742415, #375455, #376221, #376222 and #376417 and be respectively the relation curve between real output and the actual set power of five different fiber lasers.
Think that with Fig. 2 example illustrates the mode of realization:
Wherein: X is real output; Y is actual set power; And Z is theory setting power
Relation function between its actual setting power Y and real output X is as shown Y=1.3E-7X in figure
3-7.6E-5X
2+ 0.8168+56.283.Can calculate the Y value when X=100W～1000W according to above relation function, as following table:
Above real output X is the result calculating according to above-mentioned relation function, and through energy meter, test approaches theory setting power Z substantially in actual energy output.Actual set power Y after above calibration is passing through above relation function automatic calibration.Following table is the test result after calibration:
As seen from the above table, very Z is substantially approaching for the real output X of numbering #3742415, #375455, #376221, #376222 and five different fiber lasers of #376417 and theory setting power, so, can control exactly the real output of fiber laser, the control of product quality of light fiber laser is had to very large meaning.
As shown in Figure 7, the present invention also provides a kind of fiber laser output control device 100, comprises memory module 10, analysis module 20 and adjusting module 30; Fiber laser output control device 100 is electrically connected with fiber laser 200; Described memory module 10 stores actual set power Y and the real output X of this fiber laser 200; Described analysis module 20 is for obtaining the relation function between actual set power Y and the real output X of this fiber laser 200; Described adjusting module 30 is for adjusting the actual set power Y of described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
Concrete, the relation function between described actual set power Y and real output X is: Y=AX
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
Further, described fiber laser 200 has a theory setting power Z, and described theory setting power Z equals described real output X, and described memory module 10 is also stored this theory setting power Z.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a fiber laser Poewr control method, comprises the following steps:
A a: fiber laser is provided, and the actual set power of this fiber laser is Y, and real output is X;
B: obtain the relation function between actual set power Y and the real output X of this fiber laser;
C: the actual set power Y that adjusts described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
2. fiber laser Poewr control method as claimed in claim 1, is characterized in that: the relation function between actual set power Y and real output X in step B is: Y=AX
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
3. fiber laser Poewr control method as claimed in claim 2, is characterized in that: A is 1.3E-7; B is-7.6E-5 that C is 0.8168; D is 56.283.
4. fiber laser Poewr control method as claimed in claim 2, is characterized in that: described fiber laser has a theory setting power Z, and described theory equals described real output.
5. a fiber laser output control device, comprises memory module, analysis module and adjusting module; Fiber laser output control device and fiber laser are electrically connected; Described memory module stores actual set power Y and the real output X of this fiber laser; Described analysis module is for obtaining the relation function between actual set power Y and the real output X of this fiber laser; Described adjusting module is for adjusting the actual set power Y of described fiber laser according to the relation function between the value of real output X and actual set power Y and real output X.
6. fiber laser output control device as claimed in claim 4, is characterized in that: the relation function between described actual set power Y and real output X is: Y=AX
3+ BX
2+ CX+D, wherein, A, B, C and D are calibration parameter.
7. fiber laser output control device as claimed in claim 5, is characterized in that: A is 1.3E-7; B is-7.6E-5 that C is 0.8168; D is 56.283.
8. fiber laser output control device as claimed in claim 5, it is characterized in that: described fiber laser has a theory setting power Z, described theory setting power equals described real output, and described memory module is also stored this theory setting power Z.
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Cited By (4)
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| CN106803716A (en) * | 2016-11-22 | 2017-06-06 | 广州视源电子科技股份有限公司 | The power calibrating method and system of variable frequency microwave power supply |
| CN107666107A (en) * | 2017-10-23 | 2018-02-06 | 深圳市创鑫激光股份有限公司 | Method, laser, storage medium and the electronic installation of calibration of laser power |
| CN111129925A (en) * | 2019-12-26 | 2020-05-08 | 武汉中科思创激光科技有限公司 | Fiber laser power control method and device |
| CN113113835A (en) * | 2021-04-08 | 2021-07-13 | 安徽养和医疗器械设备有限公司 | Automatic calibration system for curve of laser instrument |
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| US20060002709A1 (en) * | 2004-06-30 | 2006-01-05 | Dybsetter Gerald L | Transceiver with persistent logging mechanism |
| CN101944372A (en) * | 2009-07-03 | 2011-01-12 | 株式会社日立制作所 | Power adjusting method, information recording method and information recording medium |
| CN102394696A (en) * | 2011-11-15 | 2012-03-28 | 青岛海信宽带多媒体技术有限公司 | Method for monitoring burst emitting light power of optical module and optical module |
| CN102610996A (en) * | 2012-01-19 | 2012-07-25 | 厦门优迅高速芯片有限公司 | Method and device for rapidly calibrating luminous power |
| CN103455383A (en) * | 2012-05-30 | 2013-12-18 | 比亚迪股份有限公司 | Error calibration device and method |
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Patent Citations (5)
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| US20060002709A1 (en) * | 2004-06-30 | 2006-01-05 | Dybsetter Gerald L | Transceiver with persistent logging mechanism |
| CN101944372A (en) * | 2009-07-03 | 2011-01-12 | 株式会社日立制作所 | Power adjusting method, information recording method and information recording medium |
| CN102394696A (en) * | 2011-11-15 | 2012-03-28 | 青岛海信宽带多媒体技术有限公司 | Method for monitoring burst emitting light power of optical module and optical module |
| CN102610996A (en) * | 2012-01-19 | 2012-07-25 | 厦门优迅高速芯片有限公司 | Method and device for rapidly calibrating luminous power |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106803716A (en) * | 2016-11-22 | 2017-06-06 | 广州视源电子科技股份有限公司 | The power calibrating method and system of variable frequency microwave power supply |
| CN107666107A (en) * | 2017-10-23 | 2018-02-06 | 深圳市创鑫激光股份有限公司 | Method, laser, storage medium and the electronic installation of calibration of laser power |
| CN107666107B (en) * | 2017-10-23 | 2020-10-16 | 深圳市创鑫激光股份有限公司 | Method of correcting laser power, laser, storage medium, and electronic apparatus |
| CN111129925A (en) * | 2019-12-26 | 2020-05-08 | 武汉中科思创激光科技有限公司 | Fiber laser power control method and device |
| CN113113835A (en) * | 2021-04-08 | 2021-07-13 | 安徽养和医疗器械设备有限公司 | Automatic calibration system for curve of laser instrument |
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| CN103811988B (en) | 2017-04-26 |
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