CN102906948B - A fiber laser and its control method and system - Google Patents

A fiber laser and its control method and system Download PDF

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CN102906948B
CN102906948B CN201280000569.7A CN201280000569A CN102906948B CN 102906948 B CN102906948 B CN 102906948B CN 201280000569 A CN201280000569 A CN 201280000569A CN 102906948 B CN102906948 B CN 102906948B
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output power
gain medium
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optical gain
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CN102906948A (en
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湛永坚
赵峻
肖司淼
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/572—Wavelength control

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Abstract

本发明提供了一种光纤激光器及控制方法、系统，涉及通信领域，本发明通过根据光增益介质的实时温度和欲发射的光脉冲的第一输出功率获取第一时间，并使光波在在第一时间内以预设的第一波长在振荡腔内进行振荡以使达到光脉冲达到第一输出功率，并在第一时间达到后进行发射，可以产生可调波长的光脉冲，且波长的可调范围大，可满足PON系统的监控需求，且光脉冲的波长调节便捷，所需时间短。

The present invention provides a fiber laser and its control method and system, which relate to the communication field. The present invention obtains the first time according to the real-time temperature of the optical gain medium and the first output power of the optical pulse to be emitted, and makes the light wave at the second Oscillating in the oscillation cavity with the preset first wavelength within a certain period of time to make the optical pulse reach the first output power, and emitting after the first time is reached, the optical pulse with adjustable wavelength can be generated, and the wavelength can be adjusted The adjustment range is large, which can meet the monitoring requirements of the PON system, and the wavelength adjustment of the optical pulse is convenient and the required time is short.

Description

A kind of fiber laser and control method, system
Technical field
The present invention relates to the communications field, particularly a kind of fiber laser and control method, system.
Background technology
Along with PON(Passive Optical Network, EPON) development, its application deployment are more and more extensive.As shown in Figure 1, for typical PON structure chart, transmitted to the optical network unit in multiple branches by optical distribution network for the light wave that carries data.
In order to guarantee the transmission quality of PON, avoid because the device fails on PON branched line causes optic path failure, at present very large to the monitoring demand of PON network.At this stage, OTDR(Optical Time Domain Reflectometer, optical time domain reflectometer) more satisfactory to point-to-point optical fiber monitoring.But owing to mostly being the Optical Fiber Transmission structure of point-to-multipoint in PON system, therefore, OTDR is helpless to point-to-multipoint PON system monitoring.
In order to complete monitoring point-to-multipoint in PON system, need to there is the fiber laser of the light pulse that can launch adjustable wavelength.In the existing stage, by regulate the temperature of laser with electric temp. comtrol arrangement part, thereby can change the output wavelength of the chamber long adjusting light pulse of laser, also can change by magnetic telescopic material or piezoelectric ceramic the long output wavelength that regulates light pulse in chamber of laser.
But existing laser produces the mode of light pulse, the wavelength adjustable extent of light pulse is only in 3nm left and right, and the adjustable extent of wavelength is less, and the required adjusting time is long.
Summary of the invention
In order to solve problems of the prior art, the embodiment of the present invention provides a kind of fiber laser and control method, system.Described technical scheme is as follows:
A kind of fiber laser, described fiber laser comprises: logical circuit, gain of light media drive and vibration chamber;
Wherein, logical circuit is connected with described gain of light media drive, for obtaining the very first time according to the first power output of the light pulse of the real time temperature of the gain of light medium in described vibration chamber and wish transmitting, and vibrate in described vibration chamber with the first wavelength of presetting within the described very first time by described gain of light media drive control light wave, so that described light pulse reaches the first power output; In the time arriving the described very first time, by the chamber that vibrates described in the control of described gain of light media drive, the wavelength that transmitting obtains through described vibration cavity oscillations is that described the first default wavelength, power output are the light pulse of described the first power output;
Described gain of light media drive is connected with described vibration chamber, is converted to digital signal, and sends to described vibration chamber for the logical signal for controlling described vibration chamber that described logical circuit is sent.
A control method for fiber laser, described fiber laser comprises logical circuit, gain of light media drive and vibration chamber, described method comprises:
Obtain the very first time according to the first power output of the light pulse of the real time temperature of the gain of light medium in described vibration chamber and wish transmitting;
Vibrate in described vibration chamber with the first wavelength of presetting within the described very first time by described gain of light media drive control light wave, so that described light pulse reaches the first power output;
In the time arriving the described very first time, by the chamber that vibrates described in the control of described gain of light media drive, the wavelength that transmitting obtains through described vibration cavity oscillations is that described the first default wavelength, power output are the light pulse of described the first power output.
A control system for fiber laser, described fiber laser comprises gain of light media drive and vibration chamber, described system comprises:
Time-obtaining module, obtains the very first time for the first power output of wanting to reach according to the light pulse of the gain of light medium real time temperature in described vibration chamber and wish transmitting;
The first control module, for vibrating so that described light pulse reaches the first power output with the first wavelength of presetting within the described very first time by described gain of light media drive control light wave in described vibration chamber;
The second control module, for in the time arriving the described very first time, launching by the chamber that vibrates described in the control of the described gain of light media drive wavelength obtaining through described vibration cavity oscillations is that described the first default wavelength, power output are the light pulse of described the first power output.
The beneficial effect of the technical scheme that the embodiment of the present invention provides is: the invention provides a kind of fiber laser and control method, system, by obtaining the very first time according to the first power output of the light pulse of the real time temperature of gain of light medium and wish transmitting, and make light wave vibrate and reach the first power output so that reach light pulse in vibration chamber with the first wavelength of presetting within the very first time, and after reaching, launches the very first time, can produce the light pulse of wavelengthtunable, and the adjustable extent of wavelength is large, can meet the monitoring demand of PON system, and the wavelength regulation of light pulse is convenient, required time is short.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the existing PON system that provides in background technology of the present invention;
Fig. 2 is the structural representation of a kind of fiber laser of providing of the embodiment of the present invention 1;
Fig. 3 is the flow chart of the control method of a kind of optical fiber controller of providing of the embodiment of the present invention 2;
Fig. 4 is that the optical fiber controller that the embodiment of the present invention 2 provides is applied in the schematic diagram in PON system;
Fig. 5 is the structural representation of the control system of a kind of optical fiber controller of providing of the embodiment of the present invention 3;
Fig. 6 is the second structural representation of the control system of a kind of optical fiber controller of providing of the embodiment of the present invention 3;
Fig. 7 is the third structural representation of the control system of a kind of optical fiber controller of providing of the embodiment of the present invention 3.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
As shown in Figure 2, the present embodiment provides a kind of fiber laser, and this fiber laser comprises:
FPGA (Field-Programmable Gate Array, logical circuit), BLD(Burst Laser Driver, gain of light media drive) and vibration chamber;
Wherein, FPGA is connected with gain of light media drive, for obtaining the very first time according to the first power output of the light pulse of the real time temperature of the gain of light medium of turbulence cavity and wish transmitting, and control light wave by BLD and vibrate in vibration chamber with the first wavelength of presetting within the very first time, so that light pulse reaches the first power output; In the time arriving the very first time, control vibration chamber by BLD, the wavelength that transmitting obtains through vibration cavity oscillations is that the first wavelength, the power output of presetting is the light pulse of the first power output;
BLD is connected with vibration chamber, is converted to digital signal for the logical signal for controlling vibration chamber that FPGA is sent, and sends to vibration chamber.
Further, vibration chamber is by gain of light medium and FRM(Faraday Rotation Mirror, Faraday speculum) composition, and TF(Tunable Filter, optical filter are installed between gain of light medium and FRM);
TF is for by setting in advance the first wavelength, and making wavelength is that the light wave of the first wavelength vibrates in vibration chamber.
Further, above-mentioned fiber laser also comprises: ISO(Isolation, isolator);
Wherein, ISO is connected with vibration chamber, for isolating the chamber that vibrates that is reflected back of light pulse that fiber laser launches.
Further, above-mentioned fiber laser also comprises: MPD(sense photodiode) and ADC(Analog-to-Digital Converter, A-D converter);
Wherein, MPD is connected with gain of light medium, for detecting in real time the power of light wave, and sends to ADC;
ADC is connected between MPD and FPGA, the power of light wave sending for receiving MPD, and send to FPGA after being converted to logical signal.
It should be noted that, in the present embodiment, gain of light medium is with RSOA(Reflective Semiconductor Optical Amplifier, reflective semiconductor amplifier) describe for example.
Further, between FPGA and BLD, be connected by BEN+, TxD+ and TxD-, BEN+ can be used for FPGA and sends the first digital signal to BLD, the transmitting of controlling BLD enables, even if RSOA penetrates critical condition in swashing, TxD+ and TxD-can be used for FPGA and send the second digital signal (pulse signal sequential) to BLD, make the pulse of described RSOA utilizing emitted light.
Further, BLD is connected by OUT+ and BIAS+ with RSOA, OUT+ is used for BLD in the time receiving the first digital signal, send indication RSOA in swashing first analog signal of penetrating critical condition according to this first digital signal to RSOA, BIAS+ is receiving after the second digital signal for BLD, sends the second analog signal of indication RSOA transmission light pulse to RSOA.
The present embodiment provides a kind of fiber laser, and this laser is by controlling the light pulse that can produce wavelengthtunable, and the adjustable extent of wavelength is large, can meet the monitoring demand of PON system, and the wavelength regulation of light pulse is convenient, and required time is short.
Embodiment 2
The present embodiment provides a kind of control method of fiber laser, and under the control of this method, fiber laser can produce the light pulse of wavelengthtunable, and the power controllable of this light pulse.In the present embodiment, describe the fiber laser described in embodiment 1 is controlled as example, this optical fiber controller comprises FPGA, BLD and vibration chamber.
As shown in Figure 3, a kind of control method of optical fiber controller, comprises the steps:
201, setting is the first wavelength by the wavelength of the light wave of TF;
Wherein, the first wavelength is the wavelength of the light pulse of wish transmitting, also can be by FPGA the wavelength to the light wave by TF.
202, obtain the very first time according to the first power output of the real time temperature of RSOA and light pulse;
Wherein, the very first time is specially the time of vibrating in vibration chamber through the light wave of RSOA gain, and light wave after the vibration of the very first time, can reach the first power output in vibration chamber.The very first time is determined by the power spectrum curve of RSOA, the first power output of wanting to reach and the temperature of RSOA.
Further, before this step, this method can also comprise:
Calculate and obtain different temperature and duration of oscillation corresponding to power output according to the power output of the light wave in the power spectrum curve of RSOA, temperature and vibration chamber, and set up in advance the corresponding relation of temperature, power output and duration of oscillation.
It should be noted that, the power spectrum curve of different RSOA is not identical, and the power spectrum curve of the RSOA using in fiber laser can be provided by RSOA production firm, also can measure RSOA.
Correspondingly, the first power output of wanting to reach according to the real time temperature of RSOA and light pulse is obtained the very first time, is specifically as follows:
The first power output of wanting to reach according to the real time temperature of RSOA and light pulse is searched and is obtained the real time temperature of RSOA and the corresponding duration of oscillation of the first power output that light pulse is wanted to reach as the very first time in the corresponding relation of said temperature, power output and duration of oscillation.
203, control light wave by BLD and in vibration chamber, vibrate to reach the first power output with the first wavelength within the very first time;
It should be noted that, vibration chamber is made up of RSOA, TF and FRM, correspondingly, vibrate in vibration chamber with the first wavelength and also among the vibration chamber of RSOA, TF and FRM formation, vibrate within the very first time through the light wave of RSOA gain within the very first time even if control light wave.
Further, control light wave by BLD and in vibration chamber, vibrate to reach the first power output with the first wavelength within the very first time, specifically comprise:
Within the very first time, continuous sends and is used to indicate first digital signal of RSOA in oscillatory regime to BLD, send to RSOA so that the first digital signal is converted to the first corresponding analog signal by BLD, make light wave in vibration chamber, vibrate to reach the first power output with the first wavelength within the very first time.
Particularly, the first digital signal can send by the BEN+ that connects FPGA and BLD, and this first digital signal sends for continuing, and for example, in order to make RSOA penetrate critical condition in swashing, what FPGA was lasting passes through BEN+ to BLD transmitted signal " 1 ".When BLD receives after the first digital signal, be converted to the first corresponding analog signal and send to RSOA by OUT+, make RSOA penetrate critical condition in swashing.
204,, when arriving when the very first time, controlling by BLD the wavelength that the transmitting of vibration chamber obtains through the cavity oscillations of vibrating is that the first wavelength, power output are the light pulse of the first power output.
Further, this step specifically comprises:
In the time arriving the very first time, send the second digital signal that is used to indicate the pulse of RSOA utilizing emitted light to BLD, send to RSOA so that the second digital signal is converted to the second corresponding analog signal by BLD, it is that the first wavelength, power output are the light pulse of the first power output that the wavelength obtaining through vibration cavity oscillations is launched in the chamber that makes to vibrate.
Particularly, the second digital signal is used to indicate light pulse signal sequential, can send to BLD by TxD+ and TxD-, BLD receives after the second digital signal, change the second corresponding analog signal into and send to RSOA by BIAS+, RSOA sends light wave according to the light pulse signal sequential in the second analog signal and forms light pulse.
Further, this method can also comprise:
In the time of utilizing emitted light pulse, MPD detects the power output that obtains this light pulse, and be converted to digital signal by ADC and send to FPGA, FPGA records the power output of current light pulse, to judge whether the power output of described light pulse meets the power output of wanting to reach.
As shown in Figure 4, provide one by the schematic diagram in PON system that is applied in of the provided fiber laser of invent, can realize the monitoring for multiple branches in PON system.
Wherein, the supervisory control system shown in Fig. 4 comprises OTDR, and this OTDR is for the decay event of the light wave of test input;
In this system, also comprise two circulators (Circulator), be installed on respectively the front-end and back-end of supervisory control system, the circulator of front end is connected with OTDR, the circulator of rear end is connected with fiber laser (Tunable Laser), circulator only allows the direction transmission of its regulation, can play the buffer action of light wave;
Attenuator (Attenuator) is connected with the circulator of front end, for the light wave of input is decayed, prevents the follow-up element of the excessive damage of power of light wave;
Photoelectric conversion module (O/E, Optical/Electric) be connected with attenuator, be specially in the present embodiment optical line terminal optical module (OLT optical module, Optical Line Terminal optical module), for completing monitoring function;
Fiber laser in Fig. 4 is fiber laser provided by the present invention, is installed between driver (Driver) and the circulator of rear end, and for generation of the light pulse of adjustable wavelength and power output, driver is used for driving this fiber laser;
Array waveguide grating (AWG, Arrayed Waveguide Grating) is for the light pulse of the different wavelength of Tunable Laser generation is sent by different branches, to realize the monitoring to branches different in PON system.
The present embodiment provides a kind of control method of fiber laser, by the control to above-mentioned fiber laser, and the light pulse that can make laser produce wavelengthtunable, and adjustable extent is larger, and it is convenient to regulate, and required time is short.
Embodiment 3
As shown in Figure 5, the present embodiment provides a kind of control system of fiber laser, and the fiber laser in the present embodiment comprises BLD and vibration chamber, and this system specifically can realize by FPGA, and this system comprises:
Time-obtaining module 301, for obtaining the very first time according to the first power output of the light pulse of the real time temperature of the gain of light medium in vibration chamber and wish transmitting;
The first control module 302, vibrates in vibration chamber with the first wavelength of presetting within the very first time for control light wave by BLD, so that light pulse reaches the first power output;
The second control module 303, for when arriving when the very first time, controlling by BLD the wavelength that the transmitting of vibration chamber obtains through the cavity oscillations of vibrating is that the first wavelength, the power output of presetting is the light pulse of the first power output.
Further, as shown in Figure 6, said system also comprises:
Time Calculation module 304, before obtaining the very first time for the first power output of wanting to reach according to the light pulse of the real time temperature of the gain of light medium in vibration chamber and wish transmitting in time-obtaining module 301, calculate and obtain different temperature and duration of oscillation corresponding to power output with the different power output of light wave in vibration chamber, and set up the corresponding relation of different temperature and power output and duration of oscillation according to the power spectrum curve of gain of light medium, different temperature.
Further, time-obtaining module 301 specifically for, in the corresponding relation of different temperature and power output and duration of oscillation, search and obtain the corresponding duration of oscillation of the first power output that gain of light medium real time temperature and light pulse want to reach as the very first time according to the first power output of the light pulse of the real time temperature of gain of light medium and wish transmitting.。
Further, the first control module 302 specifically for, within the very first time, continuous sends and is used to indicate first digital signal of vibration chamber in oscillatory regime to BLD, send to vibration chamber so that the first digital signal is converted to the first corresponding analog signal by BLD, light wave is vibrated so that light pulse reaches the first power output in vibration chamber with the first wavelength of presetting within the very first time.
Further, the second control module 303 specifically for, in the time arriving the very first time, send the second digital signal that is used to indicate vibration chamber utilizing emitted light pulse to BLD, send to gain of light medium so that the second digital signal is converted to the second corresponding analog signal by BLD, it is that the first wavelength, the power output of presetting is the light pulse of the first power output that the wavelength obtaining through vibration cavity oscillations is launched in the chamber that makes to vibrate.
Further, as shown in Figure 7, said system also comprises:
Power monitoring module 305, in the time arriving the very first time, reception sense photodiode detects the power output of the light pulse that obtains and forward by A-D converter, and the power output of recording light pulse.
The embodiment of the present invention provides a kind of control system of fiber laser, by the control to above-mentioned fiber laser, and the light pulse that can make laser produce wavelengthtunable, and adjustable extent is larger, and it is convenient to regulate, and required time is short.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (16)

1.一种光纤激光器，其特征在于，所述光纤激光器包括：逻辑电路、光增益介质驱动器和振荡腔；1. A fiber laser, characterized in that the fiber laser comprises: a logic circuit, an optical gain medium driver and an oscillation cavity; 其中，逻辑电路与所述光增益介质驱动器相连，用于根据所述振荡腔中的光增益介质的实时温度和欲发射的光脉冲的第一输出功率获取第一时间，并通过所述光增益介质驱动器控制光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率；当到达所述第一时间时，通过所述光增益介质驱动器控制所述振荡腔，发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲；Wherein, the logic circuit is connected with the optical gain medium driver, and is used to obtain the first time according to the real-time temperature of the optical gain medium in the oscillation cavity and the first output power of the optical pulse to be emitted, and obtain the first time through the optical gain medium driver. The medium driver controls the light wave to oscillate in the oscillation cavity with a preset first wavelength within the first time, so that the light pulse reaches a first output power; when the first time reaches the first time, through the The optical gain medium driver controls the oscillating cavity, and emits an optical pulse whose wavelength obtained by oscillating through the oscillating cavity is the preset first wavelength and whose output power is the first output power; 所述光增益介质驱动器与所述振荡腔相连，用于将所述逻辑电路发送的用于控制所述振荡腔的逻辑信号转换为数字信号，并发送给所述振荡腔。The optical gain medium driver is connected with the oscillation cavity, and is used for converting the logic signal sent by the logic circuit for controlling the oscillation cavity into a digital signal and sending it to the oscillation cavity. 2.根据权利要求1所述的光纤激光器，其特征在于，所述振荡腔由所述光增益介质和法拉第旋光反射镜组成，且在所述光增益介质与所述法拉第旋光反射镜之间安装有光滤波器；2. The fiber laser according to claim 1, wherein the oscillation cavity is composed of the optical gain medium and a Faraday rotation mirror, and is installed between the optical gain medium and the Faraday rotation mirror There are optical filters; 所述光滤波器用于通过预先设置第一波长，使得波长为第一波长的光波在所述振荡腔内进行振荡。The optical filter is used to pre-set the first wavelength so that the light wave with the first wavelength oscillates in the oscillation cavity. 3.根据权利要求1所述的光纤激光器，其特征在于，所述光纤激光器还包括：隔离器；3. The fiber laser according to claim 1, wherein the fiber laser further comprises: an isolator; 其中，所述隔离器与所述振荡腔相连，用于隔离所述光纤激光器发射出去的光脉冲反射回所述振荡腔。Wherein, the isolator is connected with the oscillating cavity, and is used for isolating the light pulse emitted by the fiber laser from being reflected back to the oscillating cavity. 4.根据权利要求1所述的光纤激光器，其特征在于，所述光纤激光器还包括：检测光电二极管和模数变换器；4. The fiber laser according to claim 1, wherein the fiber laser further comprises: a detection photodiode and an analog-to-digital converter; 其中，所述检测光电二极管与所述光增益介质连接，用于实时检测所述光波的功率，并发送给所述模数变换器；Wherein, the detection photodiode is connected to the optical gain medium, and is used to detect the power of the light wave in real time and send it to the analog-to-digital converter; 所述模数变换器连接在所述检测光电二极管和所述逻辑电路之间，用于接收所述检测光电二极管发送的所述光波的功率，并转换为逻辑信号后发送给所述逻辑电路。The analog-to-digital converter is connected between the detection photodiode and the logic circuit, and is used for receiving the power of the light wave sent by the detection photodiode, converting it into a logic signal and sending it to the logic circuit. 5.一种光纤激光器的控制方法，其特征在于，所述光纤激光器包括逻辑电路、光增益介质驱动器和振荡腔，所述方法包括：5. A control method for a fiber laser, characterized in that the fiber laser includes a logic circuit, an optical gain medium driver and an oscillation cavity, and the method includes: 根据所述振荡腔中的光增益介质的实时温度和欲发射的光脉冲的第一输出功率获取第一时间；Acquiring the first time according to the real-time temperature of the optical gain medium in the oscillation cavity and the first output power of the optical pulse to be emitted; 通过所述光增益介质驱动器控制光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率；Controlling the optical wave to oscillate in the oscillation cavity at a preset first wavelength within the first time by the optical gain medium driver, so that the optical pulse reaches a first output power; 当到达所述第一时间时，通过所述光增益介质驱动器控制所述振荡腔，发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲。When the first time is reached, the oscillation cavity is controlled by the optical gain medium driver, and the wavelength obtained by oscillating through the oscillation cavity is the preset first wavelength, and the output power is the first output power of light pulses. 6.根据权利要求5所述的方法，其特征在于，所述方法具体包括：6. The method according to claim 5, characterized in that, the method specifically comprises: 根据所述光增益介质的功率谱曲线、温度和所述振荡腔内的光波的输出功率计算得到所述温度和输出功率对应的振荡时间，并预先建立所述温度、输出功率以及振荡时间的对应关系。Calculate the oscillation time corresponding to the temperature and output power according to the power spectrum curve of the optical gain medium, the temperature, and the output power of the light wave in the oscillation cavity, and establish the correspondence between the temperature, output power, and oscillation time in advance relation. 7.根据权利要求6所述的方法，其特征在于，所述根据所述振荡腔中的光增益介质的实时温度和欲发射的光脉冲的第一输出功率获取第一时间，具体包括：7. The method according to claim 6, wherein the acquiring the first time according to the real-time temperature of the optical gain medium in the oscillating cavity and the first output power of the optical pulse to be emitted comprises: 根据所述光增益介质的实时温度和所述欲发射的光脉冲的第一输出功率在所述温度、输出功率以及振荡时间的对应关系中查找得到所述光增益介质实时温度和所述光脉冲欲达到的第一输出功率所对应的振荡时间作为第一时间。According to the real-time temperature of the optical gain medium and the first output power of the optical pulse to be emitted, the corresponding relationship between the temperature, output power and oscillation time is found to obtain the real-time temperature of the optical gain medium and the optical pulse The oscillation time corresponding to the first output power to be achieved is taken as the first time. 8.根据权利要求5所述的方法，其特征在于，所述通过所述光增益介质驱动器控制光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率，具体包括：8. The method according to claim 5, characterized in that, the optical gain medium driver is used to control the light wave to oscillate in the oscillation cavity at a preset first wavelength within the first time, so as to Making the optical pulse reach the first output power specifically includes: 在所述第一时间内，连续的向所述光增益介质驱动器发送用于指示所述振荡腔处于振荡状态的第一数字信号，以便于所述光增益介质驱动器将所述第一数字信号转换为对应的第一模拟信号发送给所述振荡腔，使所述光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率。During the first time period, continuously sending a first digital signal indicating that the oscillation cavity is in an oscillating state to the optical gain medium driver, so that the optical gain medium driver converts the first digital signal sending the corresponding first analog signal to the oscillation cavity, causing the light wave to oscillate in the oscillation cavity at the preset first wavelength within the first time, so that the light pulse reaches the first Output Power. 9.根据权利要求5所述的方法，其特征在于，所述当到达所述第一时间时，通过所述光增益介质驱动器控制所述振荡腔发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲，具体包括：9. The method according to claim 5, wherein when the first time is reached, the optical gain medium driver controls the oscillation cavity to emit a wavelength obtained by oscillating the oscillation cavity to be the specified The preset first wavelength, the output power is the optical pulse of the first output power, specifically including: 当到达所述第一时间时，向所述光增益介质驱动器发送用于指示所述振荡腔发射光脉冲的第二数字信号，以便于所述光增益介质驱动器将所述第二数字信号转换为对应的第二模拟信号发送给所述光增益介质，使所述振荡腔发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲。When the first time is reached, send a second digital signal for instructing the oscillation cavity to emit light pulses to the optical gain medium driver, so that the optical gain medium driver converts the second digital signal into The corresponding second analog signal is sent to the optical gain medium, so that the oscillation cavity emits light whose wavelength is the preset first wavelength and the output power is the first output power obtained by oscillating the oscillation cavity pulse. 10.根据权利要求5所述的方法，其特征在于，当到达所述第一时间时，所述方法还包括：10. The method according to claim 5, wherein when the first time is reached, the method further comprises: 接收检测光电二极管检测得到且通过模数变换器转发的所述光脉冲的输出功率，并记录所述光脉冲的输出功率。receiving the output power of the light pulse detected by the detection photodiode and forwarded by the analog-to-digital converter, and recording the output power of the light pulse. 11.一种光纤激光器的控制系统，其特征在于，所述光纤激光器包括光增益介质驱动器和振荡腔，所述系统包括：11. A control system for a fiber laser, characterized in that the fiber laser includes an optical gain medium driver and an oscillation cavity, and the system includes: 时间获取模块，用于根据所述振荡腔中的光增益介质的实时温度和欲发射的光脉冲欲达到的第一输出功率获取第一时间；A time acquisition module, configured to acquire the first time according to the real-time temperature of the optical gain medium in the oscillation cavity and the first output power to be achieved by the optical pulse to be emitted; 第一控制模块，用于通过所述光增益介质驱动器控制光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率；A first control module, configured to control the optical wave to oscillate in the oscillation cavity at a preset first wavelength within the first time through the optical gain medium driver, so that the optical pulse reaches a first output power ; 第二控制模块，用于当到达所述第一时间时，通过所述光增益介质驱动器控制所述振荡腔，发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲。The second control module is configured to control the oscillation cavity through the optical gain medium driver when the first time is reached, and emit the wavelength obtained by oscillating the oscillation cavity to be the preset first wavelength, output The power is the light pulse of the first output power. 12.根据权利要求11所述的系统，其特征在于，所述系统还包括：12. The system according to claim 11, further comprising: 时间计算模块，用于根据所述光增益介质的功率谱曲线、温度和所述振荡腔内的光波的输出功率计算得到所述温度和输出功率对应的振荡时间，并预先建立所述温度、输出功率以及振荡时间的对应关系。The time calculation module is used to calculate the oscillation time corresponding to the temperature and the output power according to the power spectrum curve of the optical gain medium, the temperature and the output power of the light wave in the oscillation cavity, and pre-establish the temperature, output Correspondence between power and oscillation time. 13.根据权利要求12所述的系统，其特征在于，所述时间获取模块具体用于，根据所述光增益介质的实时温度和所述欲发射的光脉冲的第一输出功率在所述温度、输出功率以及振荡时间的对应关系中查找得到所述光增益介质实时温度和所述光脉冲欲达到的第一输出功率所对应的振荡时间作为第一时间。13. The system according to claim 12, wherein the time acquisition module is specifically configured to, according to the real-time temperature of the optical gain medium and the first output power of the optical pulse to be emitted at the temperature , output power, and oscillation time, and obtain the oscillation time corresponding to the real-time temperature of the optical gain medium and the first output power to be achieved by the optical pulse as the first time. 14.根据权利要求11所述的系统，其特征在于，所述第一控制模块具体用于，在所述第一时间内，连续的向所述光增益介质驱动器发送用于指示所述振荡腔处于振荡状态的第一数字信号，以便于所述光增益介质驱动器将所述第一数字信号转换为对应的第一模拟信号发送给所述振荡腔，使所述光波在所述第一时间内以预设的第一波长在所述振荡腔内进行振荡，以使所述光脉冲达到第一输出功率。14. The system according to claim 11, wherein the first control module is specifically configured to, within the first time, continuously send to the optical gain medium driver instructions for the oscillation cavity The first digital signal in an oscillating state, so that the optical gain medium driver converts the first digital signal into a corresponding first analog signal and sends it to the oscillation cavity, so that the optical wave is within the first time Oscillating in the oscillation cavity with a preset first wavelength, so that the light pulse reaches a first output power. 15.根据权利要求11所述的系统，其特征在于，所述第二控制模块具体用于，当到达所述第一时间时，向所述光增益介质驱动器发送用于指示所述振荡腔发射光脉冲的第二数字信号，以便于所述光增益介质驱动器将所述第二数字信号转换为对应的第二模拟信号发送给所述光增益介质，使所述振荡腔发射经所述振荡腔振荡得到的波长为所述预设的第一波长、输出功率为所述第一输出功率的光脉冲。15. The system according to claim 11, wherein the second control module is specifically configured to, when the first time is reached, send a message to the optical gain medium driver for instructing the oscillation cavity to emit The second digital signal of the optical pulse, so that the optical gain medium driver converts the second digital signal into a corresponding second analog signal and sends it to the optical gain medium, so that the oscillation cavity emits through the oscillation cavity The wavelength obtained by oscillation is the preset first wavelength, and the output power is the optical pulse of the first output power. 16.根据权利要求11所述的系统，其特征在于，所述系统还包括：16. The system of claim 11, further comprising: 功率监测模块，用于当到达所述第一时间时，接收检测光电二极管检测得到且通过模数变换器转发的所述光脉冲的输出功率，并记录所述光脉冲的输出功率。The power monitoring module is configured to receive the output power of the light pulse detected by the detection photodiode and forwarded by the analog-to-digital converter when the first time is reached, and record the output power of the light pulse.
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