CN111240122A - Polarization-maintaining rare earth doped optical fiber amplifier - Google Patents
Polarization-maintaining rare earth doped optical fiber amplifier Download PDFInfo
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- CN111240122A CN111240122A CN202010159375.8A CN202010159375A CN111240122A CN 111240122 A CN111240122 A CN 111240122A CN 202010159375 A CN202010159375 A CN 202010159375A CN 111240122 A CN111240122 A CN 111240122A
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 27
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 27
- 239000013307 optical fiber Substances 0.000 title abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 23
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims 10
- 238000010030 laminating Methods 0.000 claims 2
- 238000001914 filtration Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 5
- 239000013618 particulate matter Substances 0.000 abstract description 5
- 230000009290 primary effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 230000010287 polarization Effects 0.000 description 6
- 238000009298 carbon filtering Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
-
- 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
- H01S3/06754—Fibre amplifiers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
The invention relates to the technical field of optical fiber amplifiers, in particular to a polarization-maintaining rare earth doped optical fiber amplifier which comprises a case, wherein a plurality of strip-shaped through holes which are distributed at equal intervals are formed in the top of the case and close to the front side edge, a dustproof device is arranged at the top of the case and right above the strip-shaped through holes, the dustproof device comprises an installation bin, a U-shaped fixing plate is arranged in the installation bin, first primary-effect filter cotton is arranged between two sides of the inner wall of the U-shaped fixing plate, and a first activated carbon filter plate is arranged between two sides of the inner wall of the U-shaped fixing plate. This polarization-maintaining rare earth doping optical fiber amplifier, through the filtration of first just imitating the filter pulp among the dust keeper, can effectively filter external particulate matter, can filter external particulate matter and harmful gas through first active carbon filter to the safety of the inside device of this optical fiber amplifier is protected.
Description
Technical Field
The invention relates to the technical field of optical fiber amplifiers, in particular to a polarization-maintaining rare earth doped optical fiber amplifier.
Background
The rare earth doped optical fiber amplifier technology has the advantages of low transmission line coupling loss, strong transparency to formats and bit rates of transmission signals and the like, in some special applications requiring the polarization state maintenance in communication and sensing systems, a polarization maintaining rare earth doped optical fiber amplifier needs to be used, the polarization maintaining rare earth doped optical fiber amplifier can generate heat when in use, the built-in heat dissipation of the movable polarization maintaining rare earth doped optical fiber amplifier mostly adopts air cooling, but the air cooling can enable dust to enter the polarization maintaining rare earth doped optical fiber amplifier from a heat dissipation hole and possibly damage internal devices, and the existing polarization maintaining rare earth doped optical fiber amplifier is lack of a dustproof device.
Disclosure of Invention
The invention aims to provide a polarization-maintaining rare earth doped optical fiber amplifier, which aims to solve the problem that the existing polarization-maintaining rare earth doped optical fiber amplifier in the background art is short of a dustproof device.
In order to achieve the purpose, the invention provides the following technical scheme:
a polarization-maintaining rare earth doped optical fiber amplifier comprises a case, wherein a control panel is arranged on the front side of the case, a plurality of strip-shaped through holes which are arranged at equal intervals are formed in the top of the case and close to the edge of the front side, a dustproof device is arranged on the top of the case and right above the strip-shaped through holes and comprises an installation bin, a plurality of second round through holes which are arranged at equal intervals are formed in the surface of the installation bin, a U-shaped fixing plate is arranged in the installation bin, first strip-shaped limiting blocks which are symmetrically distributed are arranged between two sides of the inner wall of the U-shaped fixing plate and close to the top, first primary filter cotton is arranged on the surface of each first strip-shaped limiting block, second strip-shaped limiting blocks which are symmetrically distributed are arranged between two sides of the inner wall of the U-shaped fixing plate and close to the bottom, and first active carbon filter plates are arranged on the surface of, the left side of machine case and the position that is close to the rear side edge hinge have singly to open the door, the middle part of singly opening the door outward flange is equipped with first flange, machine incasement wall's upper and lower both sides and the position that is close to the rear side are equipped with the first U-shaped spout of symmetric distribution, two swing joint has the first effect of second to filter pulp between the first U-shaped spout, machine incasement wall's upper and lower both sides and are close to the position of first U-shaped spout is equipped with the second U-shaped spout of symmetric distribution, two swing joint has the mounting panel between the second U-shaped spout, the side of mounting panel is provided with the high-speed silence fan of symmetric distribution, the first circular through-hole that a plurality of equidistant were arranged is seted up to the rear.
Preferably, the two ends of the installation bin and the positions at the bottom edge are provided with second convex plates which are symmetrically distributed, and the second convex plates are in threaded connection with the case through screws.
Preferably, the bottom of the inner wall of the U-shaped fixing plate is provided with a rectangular through hole, and the rectangular through hole is positioned right above the strip-shaped through hole.
Preferably, the two sides of the first primary filter cotton are respectively attached to the two sides of the inner wall of the U-shaped fixing plate, and the two ends of the first primary filter cotton are respectively attached to the two ends of the inner wall of the installation bin.
Preferably, two sides of the first activated carbon filter plate are respectively attached to two sides of the inner wall of the U-shaped fixing plate, and two ends of the first activated carbon filter plate are respectively attached to two ends of the inner wall of the mounting bin.
Preferably, a U-shaped groove is formed in the left side of the case and in a position close to the rear side, the shape and the size of the first convex plate are matched with those of the U-shaped groove, and the first convex plate is in threaded connection with the case.
Preferably, the second primary filter cotton is in sliding connection with the first U-shaped chute.
Preferably, the mounting plate is slidably connected to the second U-shaped chute.
Preferably, third U-shaped sliding grooves which are symmetrically distributed are arranged on the upper side and the lower side of the inner wall of the case and close to the second U-shaped sliding grooves, and a second activated carbon filter plate is movably connected between the two third U-shaped sliding grooves.
Preferably, the second activated carbon filter plate is slidably connected to the third U-shaped chute.
Compared with the prior art, the invention has the beneficial effects that:
this polarization-maintaining rare earth doping optical fiber amplifier, through the first filtration of just imitating the filter pulp among the dust keeper, can effectively filter external particulate matter, can filter external particulate matter and harmful gas through first active carbon filter to the safety of the inside device of this optical fiber amplifier is protected, makes the inside atmospheric pressure difference that forms of this optical fiber amplifier through high-speed silence fan, accelerates the circulation of air, thereby improves the radiating efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a case structure according to the present invention;
FIG. 3 is a schematic diagram of a cross section and an internal structure of the case of the present invention;
FIG. 4 is a schematic structural view of a dust-proof device according to the present invention;
fig. 5 is a schematic structural view of a U-shaped fixing plate according to the present invention.
In the figure: case 1, control panel 10, single open door 11, first flange 110, bar through-hole 12, first U-shaped spout 13, second U-shaped spout 14, third U-shaped spout 15, U-shaped recess 16, first circular through-hole 17, dust keeper 2, installation storehouse 20, second circular through-hole 200, second flange 201, U-shaped fixed plate 21, first bar stopper 210, second bar stopper 211, rectangle through-hole 212, first just imitate filter pulp 22, first active carbon filter plate 23, the first just imitate filter pulp 3 of second, mounting panel 4, high-speed silent fan 40, second active carbon filter plate 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
a polarization-maintaining rare earth doped optical fiber amplifier comprises a case 1, a control panel 10 is arranged on the front side of the case 1, a plurality of strip-shaped through holes 12 which are arranged at equal intervals are formed in the top of the case 1 and close to the front side edge, the strip-shaped through holes 12 are air inlet holes of the case 1, a dustproof device 2 is arranged on the top of the case 1 and located right above the strip-shaped through holes 12, particles and harmful gases in outside air are filtered through the dustproof device 2, the dustproof device 2 comprises an installation bin 20, the installation bin 20 plays a fixing role, a plurality of second circular through holes 200 which are arranged at equal intervals are formed in the surface of the installation bin 20, the second circular through holes 200 are air inlet holes of the dustproof device 2, a U-shaped fixing plate 21 is arranged in the installation bin 20, first strip-shaped limiting blocks 210 which are symmetrically distributed are arranged between two sides of the inner wall of the U-shaped fixing plate 21 and close to the top, first strip-shaped limiting, the first primary filter cotton 22 can effectively filter dust particles and suspended matters with the particle size of more than or equal to 5 mu m in the air, the second strip-shaped limiting blocks 211 which are symmetrically distributed are arranged between two sides of the inner wall of the U-shaped fixing plate 21 and at the position close to the bottom, the first active carbon filtering plates 23 are arranged on the surfaces of the second strip-shaped limiting blocks 211, the first active carbon filtering plates 23 can effectively absorb harmful gases, the left side of the case 1 and the position close to the rear side edge are hinged with a single-opening door 11, the replacement of the second primary filter cotton 3 and the second active carbon filtering plates 5 in the case 1 and the cleaning of the high-speed silent fan 40 are facilitated, the middle part of the outer edge of the single-opening door 11 is provided with a first convex plate 110, the upper side and the lower side of the inner wall of the case 1 and the position close to the rear side are provided with first U-shaped chutes 13 which are symmetrically distributed, and the, prevent that the outside air from entering into quick-witted case 1 from the rear side of quick-witted case 1, the upper and lower both sides of quick-witted case 1 inner wall and the position that is close to first U-shaped spout 13 are equipped with the second U-shaped spout 14 of symmetric distribution, swing joint has mounting panel 4 between two second U-shaped spouts 14, the side of mounting panel 4 is provided with the high-speed silence fan 40 of symmetric distribution, can make the interior atmospheric pressure difference that forms of quick-witted case 1 through high-speed silence fan 40, thereby accelerate the flow of air, effectively improve the radiating effect, the rear side of quick-witted case 1 is seted up a plurality of equidistant first circular through-holes 17 of arranging, can make the hot gas flow with quick-witted case 1 discharge to the external world through first circular.
In this embodiment, the two ends of the installation bin 20 and the positions at the bottom edge are provided with the second convex plates 201 which are symmetrically distributed, and the second convex plates 201 are connected with the case 1 through the screws in a threaded manner, so that the installation and fixation of the installation bin 20 are facilitated.
Specifically, a rectangular through hole 212 is formed in the bottom of the inner wall of the U-shaped fixing plate 21, and the rectangular through hole 212 is located right above the strip-shaped through hole 12, so that air after secondary filtration can smoothly enter the case 1 from the strip-shaped through hole 12.
Furthermore, the two sides of the first primary filter cotton 22 are respectively attached to the two sides of the inner wall of the U-shaped fixing plate 21, and the two ends of the first primary filter cotton 22 are respectively attached to the two ends of the inner wall of the installation bin 20, so that the air is ensured to completely pass through the first primary filter cotton 22, and the purpose of primary filtering is achieved.
Further, the both sides of first active carbon filter 23 laminate with the both sides of U-shaped fixed plate 21 inner wall respectively mutually, and the both ends of first active carbon filter 23 laminate with the both ends of installing the inner wall of storehouse 20 respectively, ensure that the air after first filtration is whole through first active carbon filter 23 to make the air that gets into quick-witted case 1 through twice filterable, can not cause the damage to the device in quick-witted case 1.
Furthermore, a U-shaped groove 16 is formed in the left side of the case 1 and in a position close to the rear side, the shape and size of the first protruding plate 110 are matched with those of the U-shaped groove 16, and the first protruding plate 110 is in threaded connection with the case 1, so that the single-door 11 can be conveniently mounted and dismounted.
Further, the second is just imitated and is filtered cotton 3 and first U-shaped spout 13 sliding connection, is convenient for the second just imitate the installation and the dismantlement of filtering cotton 3.
Further, the mounting plate 4 is slidably connected to the second U-shaped sliding groove 14, so that the mounting plate 4 can be easily mounted and dismounted, and the high-speed silent fan 40 can be easily cleaned.
In addition, the upper and lower both sides of quick-witted case 1 inner wall and be close to the third U-shaped spout 15 that second U-shaped spout 14's position is equipped with symmetric distribution, and swing joint has second active carbon filter 5 between two third U-shaped spouts 15, can filter the particulate matter that quick-witted case 1 inside device operation produced through second active carbon filter 5 to play the guard action to high-speed silence fan 40.
It should be noted that the second activated carbon filter plate 5 is slidably connected to the third U-shaped chute 15, which facilitates the installation and detachment of the second primary filter cotton 3.
When the polarization-maintaining rare earth doped optical fiber amplifier of the embodiment is used, a user connects the high-speed silent fan 40 with an external power supply to enable the high-speed silent fan to work, air in the case 1 is discharged outwards from the first circular through hole 17 under the action of the high-speed silent fan 40, so that an air pressure difference is generated in the case 1, so that outside air is sucked inwards from the second circular through hole 200 of the dustproof device 2, particulate matters in the outside air are filtered when passing through the first primary filter cotton 22, particulate matters and harmful gases in the air are also filtered when passing through the first active carbon filter plate 23, the air after twice filtering enters the case 1 from the strip-shaped through hole 12, heat generated in the case 1 is taken away by the air flow under the action of the air flow, the particulate matters generated by devices in the case 1 are filtered when passing through the second active carbon filter plate 5, so that the high-speed silent fan 40 is not damaged by the particulate matters, thereby prolong high-speed quiet fan 40's life, the last hot gas flow can be through second primary filter pulp 3 and outwards discharge from first circular through-hole 17 to can accelerate the radiating efficiency when dustproof.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A polarization-maintaining rare earth doped fiber amplifier comprises a case (1), and is characterized in that: the front side of the case (1) is provided with a control panel (10), the top of the case (1) and a position close to the front side edge are provided with a plurality of strip-shaped through holes (12) which are arranged at equal intervals, the top of the case (1) and a position right above the strip-shaped through holes (12) are provided with a dustproof device (2), the dustproof device (2) comprises an installation bin (20), the surface of the installation bin (20) is provided with a plurality of second round through holes (200) which are arranged at equal intervals, a U-shaped fixing plate (21) is arranged in the installation bin (20), symmetrically distributed first strip-shaped limiting blocks (210) are arranged between two sides of the inner wall of the U-shaped fixing plate (21) and at a position close to the top, first primary filter cotton (22) is arranged on the surface of the first strip-shaped limiting blocks (210), and symmetrically distributed second strip-shaped limiting blocks (211) are arranged between two sides of the inner wall of the U-shaped fixing plate (21, the surface of the second strip-shaped limiting block (211) is provided with a first activated carbon filter plate (23), the left side of the case (1) and the position close to the rear side edge are hinged with a single-opening door (11), the middle part of the outer edge of the single-opening door (11) is provided with a first convex plate (110), the upper and lower sides of the inner wall of the case (1) and the position close to the rear side are provided with first U-shaped chutes (13) which are symmetrically distributed, a second primary filter cotton (3) is movably connected between the two first U-shaped chutes (13), the upper and lower sides of the inner wall of the case (1) and the position close to the first U-shaped chutes (13) are provided with second U-shaped chutes (14) which are symmetrically distributed, a mounting plate (4) is movably connected between the two second U-shaped chutes (14), and the side surface of the mounting plate (4) is provided with high-speed, the rear side of the case (1) is provided with a plurality of first circular through holes (17) which are distributed at equal intervals.
2. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: two ends of the mounting bin (20) are provided with second convex plates (201) which are symmetrically distributed at the edge of the bottom, and the second convex plates (201) are in threaded connection with the case (1) through screws.
3. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: rectangular through holes (212) are formed in the bottom of the inner wall of the U-shaped fixing plate (21), and the rectangular through holes (212) are located right above the strip-shaped through holes (12).
4. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: the both sides of first just imitating filter pulp (22) respectively with the both sides laminating mutually of U-shaped fixed plate (21) inner wall, the both ends of first just imitating filter pulp (22) respectively with the laminating of the both ends of installation storehouse (20) inner wall.
5. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: the two sides of the first active carbon filter plate (23) are respectively attached to the two sides of the inner wall of the U-shaped fixing plate (21), and the two ends of the first active carbon filter plate (23) are respectively attached to the two ends of the inner wall of the installation bin (20).
6. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: the left side of the case (1) and the position close to the rear side are provided with a U-shaped groove (16), the shape and the size of the first convex plate (110) are matched with those of the U-shaped groove (16), and the first convex plate (110) is in threaded connection with the case (1).
7. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: the second primary filter cotton (3) is connected with the first U-shaped chute (13) in a sliding manner.
8. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: the mounting plate (4) is in sliding connection with the second U-shaped sliding groove (14).
9. The polarization-maintaining rare-earth doped fiber amplifier of claim 1, wherein: third U-shaped sliding grooves (15) which are symmetrically distributed are formed in the upper side and the lower side of the inner wall of the case (1) and close to the second U-shaped sliding grooves (14), and second activated carbon filter plates (5) are movably connected between the two third U-shaped sliding grooves (15).
10. The polarization-maintaining rare-earth doped fiber amplifier of claim 9, wherein: the second activated carbon filter plate (5) is in sliding connection with the third U-shaped chute (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159375.8A CN111240122A (en) | 2020-03-09 | 2020-03-09 | Polarization-maintaining rare earth doped optical fiber amplifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159375.8A CN111240122A (en) | 2020-03-09 | 2020-03-09 | Polarization-maintaining rare earth doped optical fiber amplifier |
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| CN111240122A true CN111240122A (en) | 2020-06-05 |
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| CN206541258U (en) * | 2017-03-20 | 2017-10-03 | 王军锋 | A kind of dust-proof radiating integrated chassis |
| CN208548566U (en) * | 2018-07-05 | 2019-02-26 | 天津嘉霖科技有限公司 | A kind of fiber amplifier convenient for vibration-damping radiating |
| CN209544805U (en) * | 2018-10-20 | 2019-10-25 | 江苏阿尔特光电科技有限公司 | A kind of hybrid optical fiber amplifier |
| CN110381396A (en) * | 2019-07-17 | 2019-10-25 | 广州奥丁诺科技有限公司 | A kind of power amplifying device with dust-proof radiating function |
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Application publication date: 20200605 |