CN105449506A - Tunable laser system - Google Patents
Tunable laser system Download PDFInfo
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- CN105449506A CN105449506A CN201511032480.0A CN201511032480A CN105449506A CN 105449506 A CN105449506 A CN 105449506A CN 201511032480 A CN201511032480 A CN 201511032480A CN 105449506 A CN105449506 A CN 105449506A
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- 230000003287 optical effect Effects 0.000 claims abstract description 96
- 239000004065 semiconductor Substances 0.000 claims abstract description 52
- 239000013307 optical fiber Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000037361 pathway Effects 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 241000931526 Acer campestre Species 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
Classifications
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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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention relates to the field of lasers, in particular to a tunable laser system. The tunable laser system comprises a laser, an optical lens group and an optical fiber which are connected in sequence, wherein the laser emits laser light with adjustable wavelength and is emitted into the optical fiber through the optical lens group. The tunable laser system also comprises an optical path adjusting unit and a semiconductor amplifier unit which are arranged on a laser optical path, wherein the optical path adjusting unit comprises an adjusting module and an optical lens; and the semiconductor amplifier unit comprises a semiconductor amplifier, a first coupling lens arranged at the front end of the semiconductor amplifier and a first collimating lens arranged at the back end of the semiconductor amplifier. According to the tunable laser system, by designing the tunable laser system which is darkly tunable, the optical path adjusting unit is arranged on the optical path so as to change the optical path of the laser light, so that the laser emits the laser light with adjustable wavelength to realize dark tuning, the laser light with high interference is avoided from directly being emitted into the optical fiber in the process of realizing laser wavelength tuning, and the tunable laser system is simple in structure and convenient for large-scale production and use.
Description
Technical field
The present invention relates to field of lasers, be specifically related to a kind of can the humorous tunable laser system of shadow.
Background technology
Tunable laser refers to the laser that can continuously change laser output wavelength within the specific limits, this laser of many uses, can be used for spectroscopy, photochemistry, medical science, biology, integrated optics, pollution monitoring, semi-conducting material processing, information processing and communicate, particularly optical communication system, its application is more and more extensive.
Realize the tuning method of optical maser wavelength and have three kinds, the first is the wavelength being changed laser by some element (as grating) wavelength changed corresponding to resonant cavity low-loss district; The second is the energy shift making laser transition by changing some external parameter (as magnetic field, temperature etc.); The third utilizes nonlinear effect to realize the conversion of wavelength and tuning (see nonlinear optics, stimulated Raman scattering, light two frequency multiplication, optical parametric oscillation).
But, tunable laser from receive switching channel order (realizing wavelength tuning) to by Wavelength stabilized to new tunnel process, the laser frequency application condition that tunable laser is launched is large, the related system of these utilizing emitted lights to tunable laser is extremely harmful, as coherent system.
How reducing or to avoid realizing in optical maser wavelength tuning process, the large problem of laser frequency application condition that tunable laser is launched, is that those skilled in the art want one of subject matter solved always.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of tunable laser system, in optical maser wavelength tuning process, avoids interference the output of light.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of tunable laser system, comprise the laser, optical frames group and the optical fiber that connect successively, the laser that this laser emission wavelength is adjustable also incides in optical fiber by optical frames group, also comprise and be arranged on optical path adjusting unit on laser optical path and semiconductor amplifier unit, wherein:
Optical path adjusting unit, it comprises adjustment module and optical mirror slip, this optical mirror slip is arranged in adjustment module, the laser that this laser emission wavelength is adjustable also incides in semiconductor amplifier unit through optical mirror slip, this adjustment module for regulating the position of optical mirror slip to change the light path path of laser, and forms main optical path path and secondary light path path;
Semiconductor amplifier unit, it the first collimating lens comprising semiconductor amplifier, be arranged on the first coupled lens of semiconductor amplifier front end and be arranged on semiconductor amplifier rear end, this semiconductor amplifier comprises for by the main waveguide channels in laser main optical path path and the complementary wave pathway by the secondary light path path of laser, and this laser is incided in optical fiber by the main waveguide channels of the first coupled lens, semiconductor amplifier and the first collimating lens successively.
Wherein, preferred version is: this adjustment module comprises up-down adjustment device, and this up-down adjustment device is for regulating the upper-lower position of optical mirror slip.
Wherein, preferred version is: this adjustment module comprises angle demodulator, and this angle demodulator is for regulating the angle position of optical mirror slip.
Wherein, preferred version is: this optical mirror slip is optical lens.
Wherein, preferred version is: this optical mirror slip is optical mirror.
Wherein, preferred version is: also comprise processor unit, and this processor unit is connected with adjustment module, and this processor unit is regulating and controlling module work in the process of laser switched laser wavelength, changes the light path path of laser.
Wherein, preferred version is, also comprises feedback unit, and this feedback unit comprises:
First spectroscope, this first spectroscope receives the laser from the injection of optical path adjusting unit, and is reflexed to by fraction of laser light in the second spectroscope;
Second spectroscope, the laser that this first dichroic mirror comes incides photo-detector and lock ripple device respectively by the second spectroscope;
Photo-detector, this photo-detector is connected with processor unit, and this photo-detector is for detecting the power of light;
Lock ripple device, this lock ripple device is connected with processor unit, and this lock ripple device is for detecting the frequency of light.
Wherein, preferred version is: also comprise the thermoelectric refrigerating unit be connected with laser, and this processor unit comprises the temperature control circuit be connected with thermoelectric refrigerating unit.
Wherein, preferred version is: this processor unit comprises the amplifier drive circuit be connected with semiconductor amplifier.
Wherein, preferred version is: this optical fiber is polarization maintaining optical fibre.
Beneficial effect of the present invention is, compared with prior art, the present invention by design is a kind of can the humorous tunable laser system of shadow, optical beam path arranges optical path adjusting unit to change the light path path of laser, it is humorous that the laser making laser emission wavelength adjustable realizes shadow, avoids realizing in optical maser wavelength tuning process, disturbs larger laser to be directly incident in optical fiber, and its structure is simple, is convenient to use of large-scale production; Meanwhile, optical beam path arranges semiconductor amplifier unit to improve the power of laser, reduce the decay of light.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structured flowchart of a kind of tunable laser system of the present invention;
Fig. 2 is the concrete structure block diagram of a kind of tunable laser system of the present invention;
Fig. 3 is the structural representation of the incident main waveguide channels of laser of the present invention;
Fig. 4 is the structural representation of the incident complementary wave pathway of laser of the present invention;
Fig. 5 is the structured flowchart of the present invention with the tunable laser system of feedback unit;
Fig. 6 is the structured flowchart of feedback unit of the present invention;
Fig. 7 is the structured flowchart of processor unit of the present invention;
Fig. 8 is the structural representation of the present invention with the incident main waveguide channels of laser of feedback unit;
Fig. 9 is the structural representation of the present invention with the incident complementary wave pathway of laser of feedback unit.
Embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present invention is elaborated.
As depicted in figs. 1 and 2, the invention provides a kind of preferred embodiment of tunable laser system.
A kind of tunable laser system, comprises the laser 10, optical frames group 20 and the optical fiber 30 that connect successively; Also comprise and be arranged on optical path adjusting unit 40 on laser optical path and semiconductor amplifier unit 50, optical path adjusting unit 40 comprises adjustment module 41 and optical mirror slip 42; Semiconductor amplifier unit 50 comprises semiconductor amplifier 51, be arranged on the first coupled lens 52 of semiconductor amplifier 51 front end and be arranged on the first collimating lens 53 of semiconductor amplifier 51 rear end, and the laser that namely this laser 10 is launched incides in optical fiber 30 by optical mirror slip 42, first coupled lens 52, semiconductor amplifier 51 and the first collimating lens 53; Semiconductor amplifier 51 comprises for by the main waveguide channels 511 of laser and complementary wave pathway 512.
Wherein, laser 10 and optical fiber 30 are separately positioned on the two ends of optical frames group 20, the laser that laser 10 emission wavelength is adjustable also incides in optical fiber 30 by optical frames group 20, laser is made to realize shadow humorous, change the light path path of laser, namely avoid realizing in optical maser wavelength tuning process, disturb larger laser to be directly incident in optical fiber 30.
Wherein, optical fiber 30 is preferably polarization maintaining optical fibre.
In the present embodiment, optical path adjusting unit 40 comprises adjustment module 41 and optical mirror slip 42, and optical mirror slip 42 is arranged in adjustment module 41, and the laser that laser 10 emission wavelength is adjustable also incides in semiconductor amplifier unit 50 through optical mirror slip 42; Meanwhile, adjustment module 41 for regulating the position of optical mirror slip 42 to change the light path path of laser, and forms main optical path path and secondary light path path.During normal work, main optical path path is the main propagation path of laser, and in switched laser passage (laser tuning) process, secondary light path path is as the propagation path of laser in tuning process, the laser incided on secondary light path path does not finally incide in optical fiber 30.
Further, adjustment module 41 and optical mirror slip 42 comprise several scheme respectively, specifically:
1, adjustment module 41 is up-down adjustment device, is regulated the upper-lower position of optical mirror slip 42 by up-down adjustment device, thus changes the injection light path path by laser on optical mirror slip 42; The adjustment of this upper-lower position is generally fine setting, and the adjustable range of upper-lower position is micron-sized distance, guarantees that laser does not incide in optical fiber 30.
2, adjustment module 41 is angle demodulator, is regulated the angle position of optical mirror slip 42 by angle demodulator, thus changes the injection light path path by laser on optical mirror slip 42; The adjustment of this angle position is generally fine setting, and be generally regulate optical mirror slip 42 rotational angle in the horizontal direction, the adjustable range of angle position is micron-sized distance, guarantees that laser does not incide in optical fiber 30.
3, optical mirror slip 42 is optical lens, is preferably collimating lens, and the laser that laser 10 is launched by collimating lens assembles the directional light being formed and propagate, and incides on semiconductor amplifier unit 50; By adjustment module 41, optical lens moved up and down or horizontally rotate, thus changing the injection light path path by laser on optical mirror slip 42.
4, optical mirror slip 42 is optical mirror, and the laser that laser 10 is launched by collimating lens assembles the directional light being formed and propagate, and incides on semiconductor amplifier unit 50; By adjustment module 41, optical mirror moved up and down or horizontally rotate, thus changing the injection light path path by laser on optical mirror slip 42.Wherein, if optical mirror slip 42 is optical mirror, before laser 10, also will optical lens be set, be convenient to the stable propagation of the laser that laser 10 penetrates.
In the present embodiment, semiconductor amplifier 51 comprises for by the main waveguide channels 511 in laser main optical path path and the complementary wave pathway 512 by the secondary light path path of laser, and laser incides in optical fiber 30 by the main waveguide channels 511 of the first coupled lens 52, semiconductor amplifier 51 and the first collimating lens 53 successively; Laser improves the power of laser by semiconductor amplifier 51, utilizes the phenomenon of being excited of transition between the energy levels to carry out light amplification, obtains the gain of light, is convenient to laser propagation, improves stability and the accuracy of laser propagation, reduces the decay of light.
As shown in Figure 3 and Figure 4, the invention provides a kind of preferred embodiment of laser optical path path of tunable laser system.
A kind of tunable laser system, comprise laser 10, second collimating lens 421, first speculum 422, first coupled lens 52, semiconductor amplifier 51, first collimating lens 53, second coupled lens 31 and the optical fiber 30 that set gradually, semiconductor amplifier 51 comprises for by laser main wave pathway 511 and complementary wave pathway 512.
Wherein, adjustment module 41 can be arranged on the second collimating lens 421 or the first speculum 422, if adjustment module 41 is arranged on the second collimating lens 421, the laser that laser 10 is launched can be directly incident in the first coupled lens 52 by the second collimating lens 421, or incides in the first coupled lens 52 by the second collimating lens 421 and the first speculum 422; If adjustment module 41 is arranged on the first speculum 422, laser 10 is incided in the first coupled lens 52 by the second collimating lens 421 and the first speculum 422.
Further, and with reference to figure 4, the mode that Fig. 4 provides a kind of shadow humorous, adjustment module 41 regulates the angle position of the first speculum 422, the light path path of laser is changed, laser is mapped to outside optical fiber 30 by the complementary wave pathway 512 on semiconductor amplifier 51, avoids realizing in optical maser wavelength tuning process, disturbs larger laser to be directly incident in optical fiber 30.
As shown in Fig. 5, Fig. 6 and Fig. 7, the invention provides a kind of preferred embodiment of the tunable laser system with feedback unit 70.
A kind of tunable laser system, except structure described above, also comprise processor unit 60 and feedback unit 70, processor unit 60 is connected with laser 10, optical path adjusting unit 40, semiconductor amplifier unit 50 and feedback unit 70 respectively, and feedback unit 70 is arranged on semiconductor amplifier unit 50 rear end; Wherein, feedback unit 70 is for the information of detection laser, as laser frequency and laser power, and related test results is sent in processor unit 60, processor unit 60, according to related test results and user control signal, controls laser 10, optical path adjusting unit 40, semiconductor amplifier unit 50.
In the present embodiment, feedback unit 70 comprises the first spectroscope 71, second spectroscope 72, photo-detector 73 and lock ripple device 74, wherein the first spectroscope 71 is arranged between semiconductor amplifier unit 50 and optical fiber 30, for fraction of laser light being reflexed to the second spectroscope 72, namely the first spectroscope 71 is arranged between the first collimating lens 53 and the second coupled lens 31; Second spectroscope 72 receives penetrates by the first spectroscope 71 laser come, and laser is divided into two parts, incides on photo-detector 73 and lock ripple device 74 respectively; Photo-detector 73 is connected with processor unit 60, photo-detector 73 is for detecting the power of light, the laser power control semiconductor amplifier unit 50 that processor unit 60 detects according to photo-detector 73, namely the semiconductor amplifier 51 in semiconductor amplifier unit 50 is controlled, carry out power adjustments by semiconductor amplifier 51 pairs of laser, realize the gain of light; Lock ripple device 74 is connected with processor unit 60, lock ripple device 74 is for detecting the frequency of light, the laser frequency that processor unit 60 detects according to lock ripple device 74 controls optical path adjusting unit 40, namely the adjustment module 41 in optical path adjusting unit 40 is controlled, changed the light path path of laser by adjustment module 41, realize shadow humorous.
Wherein, the frequency of lock ripple device 74 Real-Time Monitoring laser, after laser frequency tends towards stability in tuning process, namely tuning complete after, settling signal is sent in processor unit 60.
Further, tunable laser system also comprises the thermoelectric refrigerating unit 80 be connected with laser 10, processor unit 60 comprises the temperature control circuit 61 be connected with thermoelectric refrigerating unit 80, processor unit 60 is according to user control signal, as switched laser passage (laser frequency of different passage is different), controlled the laser frequency of laser 10 transmitting by thermoelectric refrigerating unit 80.
Further, processor unit 60 also comprises the amplifier drive circuit 62 be connected with semiconductor amplifier 51, and processor unit 60 controls semiconductor amplifier unit 50 by amplifier drive circuit 62.
In Fig. 5, Fig. 6 and Fig. 7 in the present embodiment, solid arrow refers to the direction of propagation of light, and except the solid arrow of thermoelectric refrigerating unit 80 and laser 10, this realizes arrow is represent that the temperature of thermoelectric refrigerating unit 80 pairs of lasers 10 controls; Dotted arrow is the transmission direction of control signal and data.
As shown in Figure 8 and Figure 9, the invention provides a kind of preferred embodiment of laser optical path path of the tunable laser system with feedback unit.
A kind of tunable laser system, except structure described above, also comprises processor unit 60 (Fig. 8 and Fig. 9 does not all show), the first spectroscope 71, second spectroscope 72, photo-detector 73 and lock ripple device 74.
Wherein, laser incides on the first spectroscope 71 after being penetrated by the first collimating lens 53, fraction of laser light reflexes on the second spectroscope 72 by the first spectroscope 71, and laser is divided into two parts by the second spectroscope 72, incides respectively on photo-detector 73 and lock ripple device 74.
Further, and with reference to figure 9, the mode that Fig. 9 provides a kind of shadow humorous, adjustment module 41 regulates the angle position of the first speculum 422, the light path path of laser is changed, laser is mapped to outside optical fiber 30 by the complementary wave pathway 512 on semiconductor amplifier 51, avoids realizing in optical maser wavelength tuning process, disturbs larger laser to be directly incident in optical fiber 30.Meanwhile, after the light path path of laser changes, laser is still incided on photo-detector 73 and lock ripple device 74 respectively by the first spectroscope 71 and the second spectroscope 72.
As described above, be only preferred embodiment, and not for limiting the scope of the invention, all equivalences done according to the present patent application the scope of the claims change or modify, and are all the present invention and contain.
Claims (10)
1. a tunable laser system, comprise the laser, optical frames group and the optical fiber that connect successively, the laser that this laser emission wavelength is adjustable also incides in optical fiber by optical frames group, it is characterized in that, also comprise and be arranged on optical path adjusting unit on laser optical path and semiconductor amplifier unit, wherein:
Optical path adjusting unit, it comprises adjustment module and optical mirror slip, this optical mirror slip is arranged in adjustment module, the laser that this laser emission wavelength is adjustable also incides in semiconductor amplifier unit through optical mirror slip, this adjustment module for regulating the position of optical mirror slip to change the light path path of laser, and forms main optical path path and secondary light path path;
Semiconductor amplifier unit, it the first collimating lens comprising semiconductor amplifier, be arranged on the first coupled lens of semiconductor amplifier front end and be arranged on semiconductor amplifier rear end, this semiconductor amplifier comprises for by the main waveguide channels in laser main optical path path and the complementary wave pathway by the secondary light path path of laser, and this laser is incided in optical fiber by the main waveguide channels of the first coupled lens, semiconductor amplifier and the first collimating lens successively.
2. tunable laser system according to claim 1, is characterized in that: this adjustment module comprises up-down adjustment device, and this up-down adjustment device is for regulating the upper-lower position of optical mirror slip.
3. tunable laser system according to claim 1, is characterized in that: this adjustment module comprises angle demodulator, and this angle demodulator is for regulating the angle position of optical mirror slip.
4., according to the arbitrary described tunable laser system of claims 1 to 3, it is characterized in that: this optical mirror slip is optical lens.
5., according to the arbitrary described tunable laser system of claims 1 to 3, it is characterized in that: this optical mirror slip is optical mirror.
6. according to the arbitrary described tunable laser system of claims 1 to 3, it is characterized in that: also comprise processor unit, this processor unit is connected with adjustment module, and this processor unit is regulating and controlling module work in the process of laser switched laser wavelength, changes the light path path of laser.
7. tunable laser system according to claim 6, is characterized in that, also comprises feedback unit, and this feedback unit comprises:
First spectroscope, this first spectroscope receives the laser from the injection of optical path adjusting unit, and is reflexed to by fraction of laser light in the second spectroscope;
Second spectroscope, the laser that this first dichroic mirror comes incides photo-detector and lock ripple device respectively by the second spectroscope;
Photo-detector, this photo-detector is connected with processor unit, and this photo-detector is for detecting the power of light;
Lock ripple device, this lock ripple device is connected with processor unit, and this lock ripple device is for detecting the frequency of light.
8. tunable laser system according to claim 7, is characterized in that: also comprise the thermoelectric refrigerating unit be connected with laser, and this processor unit comprises the temperature control circuit be connected with thermoelectric refrigerating unit.
9. tunable laser system according to claim 7, is characterized in that: this processor unit comprises the amplifier drive circuit be connected with semiconductor amplifier.
10. tunable laser system according to claim 1, is characterized in that: this optical fiber is polarization maintaining optical fibre.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032480.0A CN105449506B (en) | 2015-12-31 | 2015-12-31 | A kind of tunable laser system |
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| CN201511032480.0A CN105449506B (en) | 2015-12-31 | 2015-12-31 | A kind of tunable laser system |
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| CN105449506B CN105449506B (en) | 2018-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120916A1 (en) * | 2016-12-28 | 2018-07-05 | 尚华 | Laser generation light guidance device applied to human body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842587B1 (en) * | 2000-03-30 | 2005-01-11 | Nortel Networks Limited | Use of amplified spontaneous emission from a semiconductor optical amplifier to minimize channel interference during initialization of an externally modulated DWDM transmitter |
| CN201118093Y (en) * | 2007-10-30 | 2008-09-17 | 武汉电信器件有限公司 | Tunable laser automatic control device based on lock wave |
| WO2009091105A1 (en) * | 2008-01-18 | 2009-07-23 | Openbase Co., Ltd. | Wavelength tuning apparatus and method thereof |
| CN101806579A (en) * | 2009-02-16 | 2010-08-18 | 华为技术有限公司 | Reflector position sampling and calibrating method and device and laser |
| CN102375180A (en) * | 2010-08-23 | 2012-03-14 | 深圳新飞通光电子技术有限公司 | Light-wavelength-adjustable output device based on arrayed waveguide grating (AWG) |
| CN204790067U (en) * | 2015-06-25 | 2015-11-18 | 昂纳信息技术（深圳）有限公司 | Tunable filter of grating type |
-
2015
- 2015-12-31 CN CN201511032480.0A patent/CN105449506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842587B1 (en) * | 2000-03-30 | 2005-01-11 | Nortel Networks Limited | Use of amplified spontaneous emission from a semiconductor optical amplifier to minimize channel interference during initialization of an externally modulated DWDM transmitter |
| CN201118093Y (en) * | 2007-10-30 | 2008-09-17 | 武汉电信器件有限公司 | Tunable laser automatic control device based on lock wave |
| WO2009091105A1 (en) * | 2008-01-18 | 2009-07-23 | Openbase Co., Ltd. | Wavelength tuning apparatus and method thereof |
| CN101806579A (en) * | 2009-02-16 | 2010-08-18 | 华为技术有限公司 | Reflector position sampling and calibrating method and device and laser |
| CN102375180A (en) * | 2010-08-23 | 2012-03-14 | 深圳新飞通光电子技术有限公司 | Light-wavelength-adjustable output device based on arrayed waveguide grating (AWG) |
| CN204790067U (en) * | 2015-06-25 | 2015-11-18 | 昂纳信息技术（深圳）有限公司 | Tunable filter of grating type |
Non-Patent Citations (2)
| Title |
|---|
| LALITHA PONNAMPALAM等: "Dynamically Controlled Channel-to-Channel Switching in a Full-Band DS-DBR Laser", 《IEEE JOURNAL OF QUANTUM ELECTRONICS》 * |
| 吕辉等: "可调谐半导体激光器的动态波长切换控制", 《华中科技大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120916A1 (en) * | 2016-12-28 | 2018-07-05 | 尚华 | Laser generation light guidance device applied to human body |
| US10763645B2 (en) | 2016-12-28 | 2020-09-01 | Hua Shang | Laser generation importing device applied to human body |
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| Publication number | Publication date |
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| CN105449506B (en) | 2018-10-26 |
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