CN103346742A - Acousto-optic Q-switch driver - Google Patents
Acousto-optic Q-switch driver Download PDFInfo
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- CN103346742A CN103346742A CN2013102203167A CN201310220316A CN103346742A CN 103346742 A CN103346742 A CN 103346742A CN 2013102203167 A CN2013102203167 A CN 2013102203167A CN 201310220316 A CN201310220316 A CN 201310220316A CN 103346742 A CN103346742 A CN 103346742A
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Abstract
The invention relates to the field of photoelectric electronics and laser, and provides an acousto-optic Q-switch driver. The acousto-optic Q-switch driver comprises a TTL signal processing module, a signal coupling module, a radio frequency amplifying module and a power supply switching module, wherein the TTL signal processing module is used for isolating and filtering an input TTL signal, the signal coupling module is used for coupling the TTL signal which is isolated and filtered and a crystal vibration signal, the radio frequency amplifying module is used for amplifying a radio frequency signal which is coupled, and the power supply switching module is used for providing needed voltage for all modules in the acousto-optic Q-switch driver. The internal structure of the acousto-optic Q-switch driver is simplified, and the acousto-optic Q-switch driver is small in size and energy consumption, high in stability and convenient to debug.
Description
Technical field
The present invention is applicable to photoelectricity electronics and laser field, relates in particular to a kind of acousto-optic q switch driver.
Background technology
Acousto-optic q switch driver is for driving solid state laser and fiber laser optical switch to produce needed light pulse, and it is mainly used in all kinds of lasers.Along with laser technology in industrial application more and more widely, optical fiber and solid state laser are energy-conservation, the superiority of high stability is more and more outstanding, acousto-optic q switch driver is required also more and more higher.Existing acousto-optic q switch driver as shown in Figure 1, its inner three-stage amplifier that adopts, the internal structure complexity, power consumption is big, caloric value is big, stability is also poor.
In summary, existing acousto-optic q switch driver obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
Summary of the invention
At above-mentioned defective, the object of the present invention is to provide a kind of acousto-optic q switch driver, its internal structure is simple, and power consumption is little, stability is high, debugging is convenient.
To achieve these goals, the invention provides a kind of acousto-optic q switch driver, comprising:
The TTL signal processing module is used for the TTL signal of input is carried out the isolation filter processing;
The signal coupling module is used for described TTL signal and the coupling of crystal oscillator signal after isolation filter is handled handled;
RF Amplifier Module is used for that described TTL envelope signal through being coupled is done amplification and handles;
Power transfer module is used to each module in the described acousto-optic q switch driver that required voltage is provided.
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According to acousto-optic q switch driver of the present invention, described acousto-optic q switch driver also comprises the active crystal oscillator module of high stable, is used for stablizing the frequency of described acousto-optic q switch driver signal.
According to acousto-optic q switch driver of the present invention, described TTL signal processing module can also be handled described TTL signal skew, and changes rise time and the delay time of described TTL signal.
According to acousto-optic q switch driver of the present invention, described RF Amplifier Module comprises radio-frequency (RF) tube and match circuit.
According to acousto-optic q switch driver of the present invention, described match circuit front end has first and regulates resistance and the second adjusting resistance, by regulating the amplitude that described first value of regulating resistance and the second adjusting resistance can be regulated the good TTL envelope signal of described coupling.
According to acousto-optic q switch driver of the present invention, described match circuit rear end has control capacittance and regulates inductance, is used for regulating amplitude, power and the output impedance of the radiofrequency signal of exporting.
The present invention carries out isolation filter by TTL signal processing module processing signals to the TTL signal of input and handles, and transfers to the signal coupling module then signal is coupled, and the RF Amplifier Module of back by one-level amplified back output to signal.Simplify traditional two-stage amplification by the amplifying circuit of one-level and added the technology of amplifying module, reduced power consumption, also reduced cost.Be more preferably, acousto-optic q switch driver also arranges the active crystal oscillator module of high stability, can further improve the stability of acousto-optic q switch driver output radiofrequency signal whereby.
Description of drawings
Fig. 1 is the structural representation of the acousto-optic q switch driver of prior art;
Fig. 2 is the structural representation of the acousto-optic q switch driver of one embodiment of the invention;
Fig. 3 is the structural representation of the radio frequency amplification matching circuit of one embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Referring to Fig. 2, the invention provides a kind of acousto-optic q switch driver, it is mainly used in all kinds of lasers for driving solid state laser and fiber laser optical switch to produce needed light pulse.Among this embodiment, acousto-optic q switch driver comprises TTL signal processing module 10, signal coupling module 20, RF Amplifier Module 30, power transfer module 40 and active crystal oscillator module 50, wherein:
TTL signal processing module 10 is used for the TTL signal of input is carried out the isolation filter processing.Concrete, this TTL signal processing module 10 connects signal input part, and it not only can be handled described TTL signal isolation filter, can also handle described TTL signal skew, and change rise time and the delay time of described TTL signal.Make the user whereby in use, just can reach the required signal waveform of user by simple adjustment.
Signal coupling module 20 is used for described TTL signal coupling after isolation filter is handled is handled.This signal coupling module 20 mainly be after TTL signal processing module 10 is handled TTL signal and crystal oscillator signal, do coupling and handle, for the RF Amplifier Module 30 of back grade provides good small-signal.
Active crystal oscillator module 50 is for frequency and the waveform of stablizing described acousto-optic q switch driver 100 radiofrequency signals.The active crystal oscillator that the present invention adopts is the active crystal oscillator of high stable, can improve the stability of acousto-optic q switch driver 100 output signals greatly.
The concrete course of work of the present invention is described below:
The TTL signal enters TTL signal processing module 10 through input, after handling, isolation filter is sent to signal coupling module 20, in this process, the user can also handle the TTL signal skew according to demand, and changes rise time and the delay time of described TTL signal.The signal that coupling is good amplifies by RF Amplifier Module 30, this amplifying circuit front end can be adjusted the amplitude of input signal by R1 and R2 ratio, the rear end can be by regulating amplitude and power and the output impedance that inductance L 4 and control capacittance C7 adjust last output, simplify traditional two-stage amplification and added the technology of amplifying module, reduced power consumption and cost.
In sum, the present invention carries out isolation filter by TTL signal processing module processing signals to the TTL signal of input and handles, and transfers to the signal coupling module then signal is coupled, and the RF Amplifier Module of back by one-level amplified back output to signal.Simplify traditional two-stage amplification by the amplifying circuit of one-level and added the technology of amplifying module, reduced power consumption, also reduced cost.Be more preferably, acousto-optic q switch driver also arranges active stabilization crystal oscillator module, can further improve the stability of power supply and the TTL signal of acousto-optic q switch driver whereby.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. an acousto-optic q switch driver is characterized in that, comprising:
The TTL signal processing module is used for the TTL signal of input is carried out the isolation filter processing;
The signal coupling module is used for described TTL signal and the coupling of crystal oscillator signal after isolation filter is handled handled;
RF Amplifier Module is used for that described TTL envelope signal through being coupled is done amplification and handles;
Power transfer module is used to each module in the described acousto-optic q switch driver that required voltage is provided.
2. acousto-optic q switch driver according to claim 1 is characterized in that, described acousto-optic q switch driver also comprises the active crystal oscillator module of high stable, for the frequency of the radiofrequency signal of stablizing described acousto-optic q switch driver.
3. acousto-optic q switch driver according to claim 1 is characterized in that, described TTL signal processing module can also be handled described TTL signal skew, and changes rise time and the delay time of described TTL signal.
4. acousto-optic q switch driver according to claim 1 is characterized in that, described RF Amplifier Module comprises radio-frequency (RF) tube and match circuit.
5. acousto-optic q switch driver according to claim 4, it is characterized in that, described match circuit front end has first and regulates resistance and the second adjusting resistance, by regulating the amplitude that described first value of regulating resistance and the second adjusting resistance can be regulated described TTL envelope signal.
6. acousto-optic q switch driver according to claim 4 is characterized in that, described match circuit rear end has control capacittance and regulates inductance, is used for regulating amplitude, power and the output impedance of the radiofrequency signal of exporting.
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| CN201310220316.7A CN103346742B (en) | 2013-06-05 | 2013-06-05 | acousto-optic Q switch driver |
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| CN201310220316.7A CN103346742B (en) | 2013-06-05 | 2013-06-05 | acousto-optic Q switch driver |
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| CN103346742B CN103346742B (en) | 2016-08-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300349A (en) * | 2014-10-13 | 2015-01-21 | 武汉锐科光纤激光器技术有限责任公司 | Fiber laser radio frequency driving source |
| CN108886231A (en) * | 2016-03-30 | 2018-11-23 | 富士胶片株式会社 | Laser aid and optoacoustic measuring arrangement |
| CN109755856A (en) * | 2017-11-07 | 2019-05-14 | 核工业理化工程研究院 | The driving power and laser of acousto-optic Q modulation crystal |
| CN109755852A (en) * | 2017-11-07 | 2019-05-14 | 核工业理化工程研究院 | Based on the controllable Solid State Laser output-controlling device of multimode and control method |
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| CN201061078Y (en) * | 2007-03-30 | 2008-05-14 | 深圳市光大激光技术有限公司 | Acousto-optic Q switch driver |
| CN102195228A (en) * | 2011-04-01 | 2011-09-21 | 中国电子科技集团公司第二十六研究所 | Acousto-optic Q switch drive source with function of automatic first pulse suppression |
| CN203590160U (en) * | 2013-06-05 | 2014-05-07 | 深圳市创鑫激光技术有限公司 | Acousto-optic Q switch driver |
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| CN1248808A (en) * | 1998-09-21 | 2000-03-29 | 宫地技术株式会社 | Q switching laser device |
| CN201061078Y (en) * | 2007-03-30 | 2008-05-14 | 深圳市光大激光技术有限公司 | Acousto-optic Q switch driver |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300349A (en) * | 2014-10-13 | 2015-01-21 | 武汉锐科光纤激光器技术有限责任公司 | Fiber laser radio frequency driving source |
| CN108886231A (en) * | 2016-03-30 | 2018-11-23 | 富士胶片株式会社 | Laser aid and optoacoustic measuring arrangement |
| US11291372B2 (en) | 2016-03-30 | 2022-04-05 | Fujifilm Corporation | Laser device and photoacoustic measurement apparatus |
| CN109755856A (en) * | 2017-11-07 | 2019-05-14 | 核工业理化工程研究院 | The driving power and laser of acousto-optic Q modulation crystal |
| CN109755852A (en) * | 2017-11-07 | 2019-05-14 | 核工业理化工程研究院 | Based on the controllable Solid State Laser output-controlling device of multimode and control method |
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| CN103346742B (en) | 2016-08-10 |
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Address after: 518000, Guangdong, Baoan District, Shenzhen manhole, South Ring Road and a community third industrial zone, Ming Xin Industrial Park, first, third, B Applicant after: MAXPHOTONICS Co.,Ltd. Address before: 518000, Guangdong, Baoan District, Shenzhen manhole, South Ring Road and a community third industrial zone, Ming Xin Industrial Park, first, third, B Applicant before: Maxphotonics Co., Ltd. |
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