CN208078370U - A kind of solid state laser of high repetition rate mode-locked lasers - Google Patents
A kind of solid state laser of high repetition rate mode-locked lasers Download PDFInfo
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- CN208078370U CN208078370U CN201820331932.8U CN201820331932U CN208078370U CN 208078370 U CN208078370 U CN 208078370U CN 201820331932 U CN201820331932 U CN 201820331932U CN 208078370 U CN208078370 U CN 208078370U
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- laser
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- dimensional material
- solid
- pump light
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- 239000007787 solid Substances 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 239000006096 absorbing agent Substances 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 8
- 239000012788 optical film Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- -1 transition metal disulfide Chemical class 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 229910052723 transition metal Inorganic materials 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims 2
- 230000007704 transition Effects 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 description 6
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 4
- 229910009372 YVO4 Inorganic materials 0.000 description 2
- QWVYNEUUYROOSZ-UHFFFAOYSA-N trioxido(oxo)vanadium;yttrium(3+) Chemical compound [Y+3].[O-][V]([O-])([O-])=O QWVYNEUUYROOSZ-UHFFFAOYSA-N 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of solid state laser of high repetition rate mode-locked lasers, is related to optical technical field.Including：Pumping source, coupling pump light device, filter glass, blocks of solid laser gain medium and laser coupled output optic acts comprising two-dimensional material, coupling pump light device, light for receiving pumping source transmitting, and pump light is focused, and it exports to filter glass, blocks of solid laser gain medium is opposite with the concave surface of filter glass, for receiving through the filtered pump light of filter glass, and in the case where pumping light stimulus-generate target wavelength laser after export, including the laser coupled output optic acts of two-dimensional material forms resonant cavity with the filter glass, for the light modulation of target wavelength to be exported after pulse laser, and the laser part of target wavelength is reflected, to carry out continuous reflection in resonant cavity.The saturable absorption characteristic of two-dimensional material carries out mode locking to laser and forms pulse laser, realizes the mode locking operating of solid state laser.
Description
Technical Field
The utility model belongs to the technical field of optics, especially, relate to a solid laser of high repetition frequency mode locking.
Background
Kerr lens mode-locked high repetition rate solid state lasers and high repetition rate solid state lasers based on saturable absorbers of semiconductor materials are the two most commonly used lasers. The Kerr lens mode-locked high repetition frequency solid laser realizes mode locking by means of coupling between nonlinearity of a laser medium, a pump beam and a laser mode in a laser cavity, and an additional saturable absorber is not needed. The high repetition frequency solid laser based on the semiconductor material saturable absorber realizes mode locking by depending on the saturable absorption characteristic of the semiconductor to light intensity, has less limitation to the beam quality of pumping light and the laser cavity, and has more flexible laser cavity design.
However, a laser cavity structure in a high repetition frequency solid laser locked by a kerr lens is complicated, a pumping light source with excellent beam quality is required, and the energy of a single pulse decreases with the increase of the laser frequency, and it is difficult to realize stable mode-locked laser operation. For a high repetition frequency solid laser based on a semiconductor material saturable absorber, the manufacturing process of the semiconductor saturable absorber is complex and the price is high. In addition, the working wavelength range is limited by the energy band of the semiconductor material, only a reflection type working mode can be adopted, and the laser cannot be directly coupled and output, so that the complexity of the system is increased. Due to the above drawbacks, the high repetition frequency solid laser cannot be widely used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solid laser of high repetition frequency mode locking aims at solving high repetition frequency solid laser's problem.
The utility model provides a pair of solid laser of high repetition frequency mode locking, solid laser includes: the device comprises a pumping source, a pumping optical coupling device, a filter lens, a block-shaped solid laser gain medium and a laser coupling output lens containing a two-dimensional material; wherein,
the pump light coupling device is used for receiving the pump light emitted by the pump source, focusing the pump light and outputting the pump light to the filter lens;
the massive solid laser gain medium is opposite to the concave surface of the filter lens and is used for receiving the pump light filtered by the filter lens and generating laser with target wavelength under the excitation of the pump light and then outputting the laser;
the laser coupling output lens containing the two-dimensional material and the filter lens form a resonant cavity, and the resonant cavity is used for modulating light with a target wavelength into pulse laser and then outputting the pulse laser, and reflecting laser with a non-target wavelength so as to perform continuous reflection in the resonant cavity.
The embodiment of the utility model provides a solid laser of high repetition frequency mode locking contains the laser coupling output lens of two-dimensional material, but carries out the mode locking through the saturable absorption characteristic of two-dimensional material to laser and has formed pulse laser to solid laser's mode locking operation has been realized. The solid laser has simple structure and wide working wavelength range, and can be applied to various fields.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a high repetition frequency mode-locked solid-state laser according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a laser coupling-out lens including a two-dimensional material according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a high repetition frequency mode-locked solid-state laser according to an embodiment of the present invention, where the solid-state laser shown in fig. 1 mainly includes: a pump source 101, a pump optical coupling device 102, a filter lens 103, a bulk solid laser gain medium 104 and a laser coupling-out lens 105 containing a two-dimensional material; wherein,
and a pump light coupling device 102 for receiving the pump light emitted by the pump source 101, focusing the pump light, and outputting the pump light to the filter lens 103.
The block-shaped solid laser gain medium 104 is opposite to the concave surface of the filter lens 103, and is configured to receive the laser light filtered by the filter lens 103, and generate and output laser light of a target wavelength under excitation of the laser light.
Specifically, the bulk solid laser gain medium 104 is any one of transition metal ion-doped glass, rare earth ion-doped glass, quartz crystal, or ceramic medium. Preferably, the solid laser gain medium 104 is a neodymium-doped yttrium vanadate (YVO4) crystal or an erbium-doped Yttrium Aluminum Garnet (YAG) crystal, wherein the opposite surfaces of the filter lens 103 and the bulk solid laser gain medium 104 are concave surfaces, and the radius of curvature of the concave surfaces is not greater than 100 mm. Preferably, the radius of curvature of the concave surface is 50 mm.
The laser coupling-out lens 105 containing the two-dimensional material and the filter lens 103 form a resonant cavity for modulating the light of the target wavelength into the pulse laser and outputting the pulse laser, and reflecting the laser of the non-target wavelength to perform continuous reflection in the resonant cavity.
It should be noted that, under the excitation of the pump light, the bulk solid laser gain medium 104 can generate light with various wavelengths, where the laser light with the target wavelength is modulated by the laser coupling output lens 105 and then output, and the laser light with the non-target wavelength is continuously reflected in the resonant cavity until the laser light with the target wavelength is formed and modulated and output, and so on, the solid laser continuously outputs the laser light with the repetition frequency. In practical application, if the target wavelength is 1064nm, neodymium-doped yttrium vanadate (YVO4) crystal can be selected; yttrium Aluminum Garnet (YAG) crystals doped with erbium may be selected if the target wavelength is 1545 nm.
Further, referring to fig. 2, fig. 2 is a schematic structural diagram of the laser coupling-out lens 105, wherein the laser coupling-out lens 105 includes: a two-dimensional material saturable absorber 115, an optical film layer 125, and a solid state medium 135.
The two-dimensional saturable absorber 115 is disposed on a surface of one side of the optical film layer 125.
Solid medium 135 is disposed on the surface of the other side of optical film layer 125.
Specifically, the two-dimensional material in the two-dimensional material saturable absorber is: any one of graphene, black phosphorus, a transition metal disulfide, or hexagonal boron nitride. Wherein, the transition metal disulfide can be molybdenum disulfide, tungsten disulfide, or the like.
Specifically, the optical film layer 125 is any one of a magnesium fluoride dielectric film, a silicon nitride dielectric film, an aluminum oxide dielectric film, a silicon oxide dielectric film, or a titanium oxide dielectric film. The solid medium is any one of glass doped with transition metal ions, glass doped with rare earth ions, quartz crystal or ceramic medium. Preferably, the solid medium is K9 glass or fused silica.
Further, the distance between the laser out-coupling mirror 105 and the filter mirror 103 is not more than 50 mm. Preferably, the distance between the laser out-coupling mirror 105 and the filter mirror 103 is 30 mm.
In practical applications, the solid laser of the embodiment of the present invention can be applied to high resolution spectroscopy, astronomical spectrum correction, arbitrary waveform generation and optical communication systems. The embodiment of the utility model provides a solid laser of high repetition frequency mode locking, the saturable absorption characteristic that contains two-dimensional material's laser coupling output lens passes through two-dimensional material carries out the mode locking to laser and has formed pulsed laser to solid laser's mode locking operation has been realized. The solid laser has simple structure and wide working wavelength range, and can be applied to various fields.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Above is the description to the mass spectrometer that the utility model provides, to the technical staff in the field, according to the inventive concept, all have the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction to the utility model.
Claims (8)
1. A high repetition rate mode locked solid state laser, comprising: the device comprises a pumping source, a pumping optical coupling device, a filter lens, a block-shaped solid laser gain medium and a laser coupling output lens containing a two-dimensional material; wherein,
the pump light coupling device is used for receiving the pump light emitted by the pump source, focusing the pump light and outputting the pump light to the filter lens;
the massive solid laser gain medium is opposite to the concave surface of the filter lens and is used for receiving the pump light filtered by the filter lens and generating laser with target wavelength under the excitation of the pump light and then outputting the laser;
the laser coupling output lens containing the two-dimensional material and the filter lens form a resonant cavity, and the resonant cavity is used for modulating light with a target wavelength into pulse laser and then outputting the pulse laser, and reflecting laser with a non-target wavelength so as to perform continuous reflection in the resonant cavity.
2. The solid state laser of claim 1, wherein the laser out-coupling optic comprising a two-dimensional material comprises: the two-dimensional material saturable absorber, the optical film layer and the solid medium;
the two-dimensional material saturable absorber is arranged on the surface of one side of the optical film layer;
the solid medium is arranged on the surface of the other side of the optical film layer.
3. The solid state laser of claim 2, wherein the two-dimensional material in the two-dimensional material saturable absorber is: any one of graphene, black phosphorus, a transition metal disulfide, or hexagonal boron nitride.
4. The solid state laser of claim 2, wherein the optical film is any one of a magnesium fluoride dielectric film, a silicon nitride dielectric film, an aluminum oxide dielectric film, a silicon oxide dielectric film, or a titanium oxide dielectric film.
5. The solid state laser of claim 2, wherein the solid state medium is any one of a transition group metal ion doped glass, a rare earth ion doped glass, a quartz crystal, or a ceramic medium.
6. The solid state laser of claim 1, wherein the radius of curvature of the concave surface of the filter optic is no greater than 100 mm.
7. The solid state laser of claim 1 or 6, wherein the bulk solid state laser gain medium is any one of a transition group metal ion doped glass, a rare earth ion doped glass, a quartz crystal, or a ceramic medium.
8. The solid state laser of claim 1, wherein the distance between the filter optic and the laser out-coupling optic is no greater than 50 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331932.8U CN208078370U (en) | 2018-03-12 | 2018-03-12 | A kind of solid state laser of high repetition rate mode-locked lasers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820331932.8U CN208078370U (en) | 2018-03-12 | 2018-03-12 | A kind of solid state laser of high repetition rate mode-locked lasers |
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| CN208078370U true CN208078370U (en) | 2018-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565668A (en) * | 2018-03-12 | 2018-09-21 | 深圳大学 | A kind of solid state laser of high repetition rate mode-locked lasers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565668A (en) * | 2018-03-12 | 2018-09-21 | 深圳大学 | A kind of solid state laser of high repetition rate mode-locked lasers |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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