CN109842013A - A kind of saturable absorption device, preparation method and fiber pulse laser - Google Patents
A kind of saturable absorption device, preparation method and fiber pulse laser Download PDFInfo
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- CN109842013A CN109842013A CN201910302687.7A CN201910302687A CN109842013A CN 109842013 A CN109842013 A CN 109842013A CN 201910302687 A CN201910302687 A CN 201910302687A CN 109842013 A CN109842013 A CN 109842013A
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Abstract
The embodiment of the invention discloses a kind of saturable absorption device, preparation method and fiber pulse lasers.Wherein saturable absorption device includes optical element and saturable absorption film, and saturable absorption film is set in the light transmission path of optical element；Saturable absorption film includes lead selenide.Saturable absorption device provided in an embodiment of the present invention, using the saturable absorption characteristic of lead selenide, continuous laser is compressed into pulse laser, have photoconductive effect good and responds the characteristics such as sensitive, when being equipped in optical fiber laser, stable tune Q or mode-locked laser pulse can be generated.
Description
Technical field
The present embodiments relate to fiber laser technology more particularly to a kind of saturable absorption device, preparation method and
Fiber pulse laser.
Background technique
With the development of science and technology, laser using more and more extensive.The peak power of continuous laser is lower, certain
Field has limitation, needs the higher pulse laser of peak energy.Compared with other lasers, optical fiber laser has manufacture
It is at low cost, structure is simple, stability is good and easy the advantages that being coupled to optical fibre device, be widely used in fiber optic communication, light at present
The fields such as fibre sensing and laser processing.
It adjusts Q and mode locking is the main method for generating ultrashort pulse in laser.Q-regulating technique increases humorous as far as possible when being beginning
The loss of vibration chamber, forms population inversion, then suddenly open Q-switch, the loss that laser resonance is intracavitary in the extremely short time
It is reduced rapidly from a biggish value, stimulated radiation occurs in a very short period of time for a large amount of reversion particles of savings, swashs to generate
Light pulse.Mode-locking technique is that synchronous and phase on each independent vertical pattern realization time in resonant cavity is orderly, thus
Coherent superposition forms a ultrashort pulse.Compared to actively Q-switched and active mode locking technique, passive Q-adjusted and passive mode-locking technology tool
There is the advantages of structure is simple, carries the integrated application for being conveniently conducive to optical fiber laser and large-scale production.
In the prior art, have and make saturable absorption device using semiconductor saturable absorbing mirror (SESAM), black phosphorus etc.
It realizes and adjusts Q or mode locking, but that there are damage thresholds is low by SESAM, black phosphorus, which exists, holds therefore how problem of easy degradation makes performance
Excellent saturable absorption device is current research hotspot to make the stable pulse laser of performance.
Summary of the invention
The embodiment of the present invention provides a kind of saturable absorption device, preparation method and fiber pulse laser, has property
Stablize, the feature that responsiveness is sensitive, for generating stable tune Q or mode-locked laser pulse.
In a first aspect, the embodiment of the present invention provides a kind of saturable absorption device, including optical element and saturable are inhaled
Winder, the saturable absorption film are set in the light transmission path of the optical element；
The saturable absorption film includes lead selenide.
Optionally, the optical element includes flange, the first tail optical fiber and the second tail optical fiber；
The connector of first tail optical fiber is fixedly connected with the connector of second tail optical fiber by the flange；
The saturable absorption film is located between the connector of first tail optical fiber and the connector of second tail optical fiber.
Optionally, the optical element includes the D-type optical fiber of Side polishing fiber；
The saturable absorption film is located on the rubbing down face of the D-type optical fiber.
Optionally, the optical element includes cone cell optical fiber；
The saturable absorption film is located at the cone structure surface of the cone cell optical fiber.
Optionally, the optical element includes hollow optic fibre or punching optical fiber；
The saturable absorption film is located in the hole of the hollow optic fibre or the punching optical fiber.
Second aspect, the embodiment of the present invention also provide a kind of preparation method of saturable absorption device, comprising:
One optical element is provided；
Saturable absorption film is formed in the propagation path of light of the optical element；
Wherein, the saturable absorption film includes lead selenide.
Optionally, the optical element includes flange, the first tail optical fiber and the second tail optical fiber, the light in the optical element
Saturable absorption film is formed in propagation path includes:
Form polyvinyl alcohol substrate；
Lead selenide film is formed in polyvinyl alcohol substrate side using vaccum gas phase sedimentation method；
The lead selenide film is formed in the end face of the connector of first tail optical fiber, and utilizes described in flanged joint first
Tail optical fiber and second tail optical fiber.
Optionally, the optical element includes the D-type optical fiber of Side polishing fiber or draws the cone cell optical fiber bored, described in the light
Learning formation saturable absorption film in the propagation path of light of element includes:
Using vaccum gas phase sedimentation method on the rubbing down face of the D-type optical fiber or the cone structure surface of the cone cell optical fiber
Form lead selenide film.
Optionally, the optical element includes hollow optic fibre or punching optical fiber, the light propagation in the optical element
Saturable absorption film is formed in path includes:
Selenizing lead solution is injected in the hole of the hollow optic fibre or the punching optical fiber；
The solvent in the selenizing lead solution is evaporated, so that lead selenide is in the hole of the hollow optic fibre or the punching optical fiber
Interior formation lead selenide film.
The third aspect, the embodiment of the present invention also provide a kind of fiber pulse laser, including any institute of above-mentioned first aspect
The saturable absorption device stated.
Saturable absorption device provided in an embodiment of the present invention, including optical element and saturable absorption film, saturable
Absorbing film is set in the light transmission path of optical element；Saturable absorption film includes lead selenide.It is provided in an embodiment of the present invention
Saturable absorption device utilizes the saturable absorption characteristic of lead selenide, and continuous laser is compressed into pulse laser, and lead selenide
Forbidden bandwidth has photoconductive effect good and responds the characteristics such as sensitive between graphene and transient metal sulfide；Meanwhile phase
Compared with black phosphorus, the property of lead selenide is more stable, not degradable, when being equipped in optical fiber laser, can generate stable tune Q
Or mode-locked laser pulse.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of saturable absorption device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention；
Fig. 3 is the decomposition view of saturable absorption device shown in Fig. 2；
Fig. 4 is the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention；
Fig. 5 is in Fig. 4 along the schematic cross-sectional view of hatching line A-A '；
Fig. 6 is the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention；
Fig. 7 is in Fig. 6 along the schematic cross-sectional view of hatching line B-B '；
Fig. 8 is the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention；
Fig. 9 is a kind of flow diagram of the preparation method of saturable absorption device provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of fiber pulse laser provided in an embodiment of the present invention；
Figure 11 is the spectral schematic of the adjusting Q pulse laser of fiber pulse laser output provided in an embodiment of the present invention；
Figure 12 is the time diagram of the adjusting Q pulse laser of fiber pulse laser output provided in an embodiment of the present invention；
Figure 13 is the spectral schematic of the Mode-locked laser of fiber pulse laser output provided in an embodiment of the present invention；
Figure 14 is the auto-correlation signal of the Mode-locked laser of fiber pulse laser output provided in an embodiment of the present invention
Figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present invention, "left", "right" are with attached drawing institute
The angle shown should not be construed as the restriction to the embodiment of the present invention come what is be described.Furthermore within a context, it is also necessary to understand
, when mentioning an element and being formed on "above" or "below" another element, another can not only be formed directly into
Perhaps "lower" can also be indirectly formed by intermediary element in another element "upper" or "lower" for element "upper".Term " first ",
" second " etc. is used for description purposes only, and is not offered as any sequence, quantity or importance, and is used only to distinguish different groups
At part." setting ", " coupling ", " connection " shall be understood in a broad sense, such as " coupling " may be a fixed connection, and be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, it can also be in
Between medium be indirectly connected or two elements inside connection.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Fig. 1 show a kind of structural schematic diagram of saturable absorption device provided in an embodiment of the present invention.With reference to Fig. 1, originally
The saturable absorption device that inventive embodiments provide includes optical element 10 and saturable absorption film 20, saturable absorption film 20
It is set in the light transmission path of optical element 10；Saturable absorption film 20 includes lead selenide.
Wherein, lead selenide is a kind of cubic structure low-gap semiconductor material, has important answer in mid and far infrared wave band
With, and can be applied to the fields such as logic circuit.Such as in 1550nm communication band, lead selenide has apparent saturable absorption special
Property, after loading on optical fiber laser, continuous laser can be compressed into pulse laser, and can be by changing pump power or tune
Whole Polarization Controller realizes the conversion of Q-switch laser and mode-locked laser.Optical element 10 can satisfy for carrying saturable absorption film 20
It is set in the transmission path of optical element with absorbing film 20, such as can be transmission path or evanscent field.Illustratively, optics
Element 10 may include two optical patchcords of flanged joint, and saturable absorption film 20 is arranged an optical patchcord end face,
Sandwich structure consisting is connected with another wire jumper by flange, when light beam transmits in optical element 10, light beam can be saturating
Lead selenide is crossed, is then entered back into another wire jumper；Fiber optic component 10 can also be D-type optical fiber or cone cell optical fiber, in optical fiber
Light is entered in lead selenide in the form of evanscent field to be returned in optical fiber.
Saturable absorption device provided in an embodiment of the present invention utilizes the saturable absorption characteristic of lead selenide, by continuous laser
It is compressed into pulse laser, and the forbidden bandwidth of lead selenide has photoconductive effect between graphene and transient metal sulfide
Get well and respond the characteristics such as sensitive；Meanwhile compared to black phosphorus, the property of lead selenide is more stable, not degradable, is equipped on optical fiber and swashs
When in light device, stable tune Q or mode-locked laser pulse can be generated.
Based on the above technical solution, Fig. 2 show another saturable absorber provided in an embodiment of the present invention
The structural schematic diagram of part, Fig. 3 are the decomposition view of saturable absorption device shown in Fig. 2.Referring to figs. 2 and 3, optionally, light
Learning element includes flange 11, the first tail optical fiber 12 and the second tail optical fiber 13；The company of the connector 121 of first tail optical fiber 12 and the second tail optical fiber 13
Connector 131 is fixedly connected by flange 11；Saturable absorption film 20 is located at the connector 121 and the second tail optical fiber 13 of the first tail optical fiber 12
Connector 131 between.
It is understood that tail optical fiber is that one end has connector, the other end is the optical fibre device of the broken end of one section of optical fiber, is passed through
Welding is connected with other optical fiber, often appears in optical fiber terminal box, for connecting optical cable and fiber optical transceiver.Such as SC square card
The round thread head of connector, FC, the small clamping joint of LC square (smaller relative to SC), the round clamping joint of ST etc., illustratively, the present invention
FC/PC connector is utilized in embodiment, the end face of connector inner fiber is plane, and saturable absorption film 20 is arranged in the first tail
On the fiber end face of the connector 121 of fibre 12, the first tail optical fiber 12 and the second tail optical fiber 13 are then connected by flange 11, are formed
The saturable absorption device of sandwich structure.
Fig. 4 show the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention, and Fig. 5 is Fig. 4
The middle schematic cross-sectional view along hatching line A-A '.With reference to Fig. 4 and Fig. 5, optionally, optical element includes the D type light of Side polishing fiber
Fibre 14；Saturable absorption film 20 is located on the rubbing down face of D-type optical fiber 15.
It is understood that dotted line indicates fibre core in Fig. 4 and Fig. 5, not as it can be seen that therefore using dotted line table in practical devices
Show.The light wave propagated in optical fiber generates total reflection on the interface of fibre core and covering, and most of energy all concentrates in fibre core,
But some energy can penetrate into covering and external environment, it is that a kind of intensity radially exponentially decays along optical fiber
Electromagnetic wave, because of the evanscent field of referred to herein as optical fiber.It can be in " D " type at cross section by optical fiber processing in such a way that side is ground
Optical fiber can form evanscent field in rubbing down face when beam propagation since D-type optical fiber structure has non-circular symmetry, can
Saturated absorption film 20 is set on the rubbing down face of D-type optical fiber, another saturable absorber in the available embodiment of the present invention
Part.
Fig. 6 show the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention, and Fig. 7 is Fig. 6
The middle schematic cross-sectional view along hatching line B-B '.With reference to Fig. 6 and Fig. 7, optionally, optical element includes cone cell optical fiber 15；It can satisfy
It is located at the cone structure surface of cone cell optical fiber 15 with absorbing film 20.
It is understood that the cone cell optical fiber 15 including cone structure, light beam can be formed by way of fused biconical taper
Evanscent field can be formed in cone cell area when propagation, saturable absorption film 20 is set to the cone structure surface of cone cell optical fiber 15, it can
To obtain another saturable absorption device in the embodiment of the present invention.
Fig. 8 show the structural schematic diagram of another saturable absorption device provided in an embodiment of the present invention.With reference to Fig. 8,
Optionally, optical element includes hollow optic fibre or punching optical fiber 16；Saturable absorption film 20 is located at hollow optic fibre or punching optical fiber
In 16 hole.
It is understood that by the way that saturable absorption film 20 to be set in the hole of hollow optic fibre or punching optical fiber 16, with
Make to penetrate saturable absorption film 20, another saturable absorption device in the available embodiment of the present invention when beam Propagation.
Fig. 9 show a kind of flow diagram of the preparation method of saturable absorption device provided in an embodiment of the present invention.
With reference to Fig. 9, preparation method provided in an embodiment of the present invention includes:
Step S110, an optical element is provided.
Wherein, optical element can be the sandwich structure for including two sections of tail optical fibers and flange, D-type optical fiber, cone cell optical fiber, sky
Any one of heart optical fiber or punching optical fiber etc., when specific implementation, can select according to the actual situation.
Step S120, saturable absorption film is formed in the propagation path of light of optical element.
Wherein, saturable absorption film includes lead selenide.
The preparation method of saturable absorption device provided in an embodiment of the present invention, is used to prepare the saturable based on lead selenide
It absorbs device and continuous laser is compressed into pulse laser, and the forbidden band of lead selenide is wide using the saturable absorption characteristic of lead selenide
Degree has photoconductive effect good and responds the characteristics such as sensitive between graphene and transient metal sulfide；Meanwhile compared to black
The property of phosphorus, lead selenide is more stable, not degradable, when being equipped in optical fiber laser, can generate stable tune Q or mode locking
Laser pulse.
Based on the above technical solution, optionally, optical element includes flange, the first tail optical fiber and the second tail optical fiber,
Saturable absorption film is formed in the propagation path of light of optical element includes:
Form polyvinyl alcohol substrate；
Lead selenide film is formed in polyvinyl alcohol substrate side using vaccum gas phase sedimentation method；
Lead selenide film is formed in the end face of the connector of the first tail optical fiber, and utilizes the first tail optical fiber of flanged joint and the second tail
It is fine.
Illustratively, the preparation process of the present embodiment can be with are as follows: by 1.5g polyvinyl alcohol (PVA) powder and 20ml deionization
Water mixed after with ultrasonic disintegrator handle half an hour, stir to get PVA aqueous solution with magnetic stirrer at 80 DEG C, take part
PVA aqueous solution obtains PVA substrate in evaporation drying on culture dish.Finally, utilizing molecular pump by way of vacuum vapor deposition
It vacuumizes so that the vacuum degree in vacuum chamber is 3 × 10-3Pa, then in 200 DEG C of base reservoir temperature, deposition rateCondition
Under on the slide for having PVA substrate deposit selenizing thin film lead, thickness is about 20nm.Then by selenizing thin film lead and PVA substrate from
Culture dish removing, by thickness be about 20nm selenizing thin film lead direct plating to the first tail optical fiber connector end face, pass through flange
Sandwich structure consisting is connected with the second tail optical fiber.
Optionally, optical element includes the D-type optical fiber of Side polishing fiber or the cone cell optical fiber for drawing cone, is passed in the light of optical element
Broadcasting formation saturable absorption film in path includes:
Using vaccum gas phase sedimentation method on the rubbing down face of D-type optical fiber or the cone structure surface of cone cell optical fiber formed selenizing
Lead film.
Illustratively, the preparation process of the present embodiment can be with are as follows: utilize vaccum gas phase sedimentation method, 200 DEG C of base reservoir temperature,
Deposition rateDeng in situation identical with above-mentioned parameter, power loss be about 40% D-type optical fiber worn area or cone
The selenizing thin film lead that the area La Zhui of shape optical fiber is formed with a thickness of 40nm or so, the light in optical fiber enter selenizing in the form of evanscent field
It is returned in optical fiber in lead.
Optionally, optical element includes hollow optic fibre or punching optical fiber, and being formed in the propagation path of light of optical element can
Saturated absorption film includes:
Selenizing lead solution is injected in the hole of hollow optic fibre or punching optical fiber；
The solvent in selenizing lead solution is evaporated, so that lead selenide forms lead selenide in the hole of hollow optic fibre or punching optical fiber
Film.
Illustratively, the preparation process of the present embodiment can be with are as follows: the dispersion solution of lead selenide is injected this by pressure pump
In the hole of two kinds of optical fiber, then temperature is increased and to a certain extent evaporates solvent, so that the certain length model of both optical fiber
It is all filled with lead selenide in enclosing, this section of optical fiber can serve as saturable absorption device and be directly accessed in optical fiber laser.
The embodiment of the present invention also provides a kind of fiber pulse laser, including it is provided by the above embodiment any one can
Saturated absorption device.
Illustratively, Figure 10 show a kind of structural schematic diagram of fiber pulse laser provided in an embodiment of the present invention,
With reference to Figure 10, optical fiber laser includes wavelength division multiplexer 1,980nm pump light source 2, Er-doped fiber 3, optical fiber in the present embodiment
The unrelated isolator 5 of output coupler 4, optical fiber polarisation, optical fiber polarization controller 6, the saturable absorption device 7 based on lead selenide
(the illustrative structure using in Fig. 2), single mode optical fiber 8 are in turn connected to form annular chamber, and wherein wavelength division multiplexer 1 includes pumping
Input terminal, public input terminal and output end, 980nm pump light source 2 are connect with the pumping input terminal of wavelength division multiplexer 1, single-mode optics
Fibre 8 is connect with the public input terminal of wavelength division multiplexer, and the first end of Er-doped fiber 3 is connect with the output end of wavelength division multiplexer 1；Light
Fine output coupler 4 includes input terminal, the first output end and second output terminal, the output end and optical fiber output coupling of Er-doped fiber 3
The input terminal of clutch 4 connects, and the input terminal of the first output end of optical fiber output coupler 4 isolator 5 unrelated with optical fiber polarisation connects
It connects, second output terminal is used to export laser, such as can connect the measuring devices such as oscillograph, spectrometer, wherein optical fiber output coupling
First output end of clutch 4 and the power ratio of second output terminal can be 90:10, and the length of Er-doped fiber 3 is 3.5m, and total chamber is long
13.5m。
The course of work of fiber pulse laser provided in an embodiment of the present invention are as follows: the pumping that 980nm pump light source 2 issues
Continuous signal light enters optical fiber laser ring resonator by optical fibre wavelength division multiplexer 1.After pump light is absorbed by Er-doped fiber 3
Gain is generated, 1550nm signal light is converted to, using optical fiber output coupler 4, small part light is exported by second output terminal.
Most signal light stays in intracavitary, successively to transmit by the guaranteeing signal light one direction unrelated isolator 5 of optical fiber polarisation, changes
The Polarization Controller 6 of signal polarization state, and the saturable absorber based on lead selenide that continuous signal optical pressure can be contracted
Part 7.Finally, signal light returns in wavelength division multiplexer 1, one cycle is completed.With the continuous circulation of signal light, optical fiber output coupling
The continuous laser of the second output terminal output of clutch 4 is converted to Q-switch laser or mode-locked laser.Laser can in present example
The switching for adjusting Q and mode-lock status is realized with Polarization Controller is adjusted by adjusting the output power size of 980nm pump light source.
The second output terminal of optical fiber output coupler 4 is connect with spectrometer, oscillograph or autocorrelation function analyzer, can be measured defeated
Result out.Figure 11 show the spectrum signal of the adjusting Q pulse laser of fiber pulse laser output provided in an embodiment of the present invention
Figure, Figure 12 show the time diagram of the adjusting Q pulse laser of fiber pulse laser output provided in an embodiment of the present invention, by
For Figure 11 and 12 it is found that the full width at half maximum of the Q impulse spectrum generated in the present embodiment is 1.6nm, the repetition period is 102 μ s.Figure
13 show the spectral schematic of the Mode-locked laser of fiber pulse laser output provided in an embodiment of the present invention, Tu14Suo
Be shown as the auto-correlation schematic diagram of the Mode-locked laser of fiber pulse laser provided in an embodiment of the present invention output, by Figure 13 and
Figure 14 is it is found that the full width at half maximum of the mode locking pulse spectrum generated in the present embodiment is 7.58nm, pulse width 544.5fs.
It should be noted that saturable absorption device 7 can also utilize any one of Fig. 4~Fig. 6 offer, it is only necessary to straight
It takes over and changes in annular chamber, the optical fibre device selected in laser can be 1550nm wave band index steps formula single-mode optics
Fiber device, 1550nm wave band index steps formula dual mode optical fiber device, 1550nm wave band gradually changed refractive index formula dual mode optical fiber device,
1550nm wave band index steps formula multimode fibre device and 1550nm wave band gradually changed refractive index formula multimode fibre device, can produce
Raw identical technical effect.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of saturable absorption device, which is characterized in that including optical element and saturable absorption film, the saturable is inhaled
Winder is set in the light transmission path of the optical element；
The saturable absorption film includes lead selenide.
2. saturable absorption device according to claim 1, which is characterized in that the optical element includes flange, first
Tail optical fiber and the second tail optical fiber；
The connector of first tail optical fiber is fixedly connected with the connector of second tail optical fiber by the flange；
The saturable absorption film is located between the connector of first tail optical fiber and the connector of second tail optical fiber.
3. saturable absorption device according to claim 1, which is characterized in that the optical element includes Side polishing fiber
D-type optical fiber；
The saturable absorption film is located on the rubbing down face of the D-type optical fiber.
4. saturable absorption device according to claim 1, which is characterized in that the optical element includes cone cell optical fiber；
The saturable absorption film is located at the cone structure surface of the cone cell optical fiber.
5. saturable absorption device according to claim 1, which is characterized in that the optical element include hollow optic fibre or
Punch optical fiber；
The saturable absorption film is located in the hole of the hollow optic fibre or the punching optical fiber.
6. a kind of preparation method of saturable absorption device characterized by comprising
One optical element is provided；
Saturable absorption film is formed in the propagation path of light of the optical element；
Wherein, the saturable absorption film includes lead selenide.
7. preparation method according to claim 6, which is characterized in that the optical element include flange, the first tail optical fiber and
Second tail optical fiber, the saturable absorption film that formed in the propagation path of light of the optical element include:
Form polyvinyl alcohol substrate；
Lead selenide film is formed in polyvinyl alcohol substrate side using vaccum gas phase sedimentation method；
The lead selenide film is formed in the end face of the connector of first tail optical fiber, and utilizes the first tail optical fiber described in flanged joint
With second tail optical fiber.
8. preparation method according to claim 6, which is characterized in that the optical element includes the D type light of Side polishing fiber
Cone cell optical fiber that is fine or drawing cone, the saturable absorption film that formed in the propagation path of light of the optical element include:
Using vaccum gas phase sedimentation method on the rubbing down face of the D-type optical fiber or the cone structure surface of the cone cell optical fiber is formed
Lead selenide film.
9. preparation method according to claim 6, which is characterized in that the optical element includes hollow optic fibre or punching light
Fibre, the saturable absorption film that formed in the propagation path of light of the optical element include:
Selenizing lead solution is injected in the hole of the hollow optic fibre or the punching optical fiber；
The solvent in the selenizing lead solution is evaporated, so that lead selenide shape in the hole of the hollow optic fibre or the punching optical fiber
At lead selenide film.
10. a kind of fiber pulse laser, which is characterized in that including any saturable absorber of Claims 1 to 5
Part.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518449A (en) * | 2019-09-04 | 2019-11-29 | 杭州奥创光子技术有限公司 | A kind of encapsulating structure improving SESAM all -fiber mode-locked laser reliability of oscillator |
| CN111211475A (en) * | 2020-01-16 | 2020-05-29 | 合肥脉锐光电技术有限公司 | Bidirectional pulse optical fiber amplifier |
| CN111653929A (en) * | 2020-04-26 | 2020-09-11 | 深圳瀚光科技有限公司 | Molybdenum trioxide saturable absorber based on intercalated tin atoms, preparation method thereof and fiber laser |
| CN111864525A (en) * | 2020-08-18 | 2020-10-30 | 南京南辉智能光学感控研究院有限公司 | Optical fiber femtosecond laser mode locking device based on semiconductor saturable absorber mirror |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186271A (en) * | 2015-10-16 | 2015-12-23 | 深圳大学 | Transition metal sulfide saturable absorption mirror and mode locking fiber laser |
| CN106618577A (en) * | 2016-09-22 | 2017-05-10 | 西北工业大学 | Optical fiber breath sensor based on molybdenum disulfide nanometer coating |
| CN106684676A (en) * | 2016-12-07 | 2017-05-17 | 山东师范大学 | Saturable absorber device based on WS2 and preparation method and application of saturable absorber device |
| CN108169919A (en) * | 2018-01-18 | 2018-06-15 | 重庆邮电大学 | A kind of micro-structure mode-locking device and its production technology using conical fiber evanscent field |
-
2019
- 2019-04-16 CN CN201910302687.7A patent/CN109842013A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186271A (en) * | 2015-10-16 | 2015-12-23 | 深圳大学 | Transition metal sulfide saturable absorption mirror and mode locking fiber laser |
| CN106618577A (en) * | 2016-09-22 | 2017-05-10 | 西北工业大学 | Optical fiber breath sensor based on molybdenum disulfide nanometer coating |
| CN106684676A (en) * | 2016-12-07 | 2017-05-17 | 山东师范大学 | Saturable absorber device based on WS2 and preparation method and application of saturable absorber device |
| CN108169919A (en) * | 2018-01-18 | 2018-06-15 | 重庆邮电大学 | A kind of micro-structure mode-locking device and its production technology using conical fiber evanscent field |
Non-Patent Citations (2)
| Title |
|---|
| KAIHUA WEI 等: "Passively mode-locked Yb fiber laser with PbSe colloidal quantum dots as saturable absorber", 《OPTICS EXPRESS》 * |
| 曾海军 等: "硒化铅量子点聚乙烯醇薄膜的三阶非线性光学特性", 《光子学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518449A (en) * | 2019-09-04 | 2019-11-29 | 杭州奥创光子技术有限公司 | A kind of encapsulating structure improving SESAM all -fiber mode-locked laser reliability of oscillator |
| CN110518449B (en) * | 2019-09-04 | 2021-01-08 | 杭州奥创光子技术有限公司 | Packaging structure for improving reliability of SESAM all-fiber mode-locked laser oscillator |
| CN111211475A (en) * | 2020-01-16 | 2020-05-29 | 合肥脉锐光电技术有限公司 | Bidirectional pulse optical fiber amplifier |
| CN111653929A (en) * | 2020-04-26 | 2020-09-11 | 深圳瀚光科技有限公司 | Molybdenum trioxide saturable absorber based on intercalated tin atoms, preparation method thereof and fiber laser |
| CN111864525A (en) * | 2020-08-18 | 2020-10-30 | 南京南辉智能光学感控研究院有限公司 | Optical fiber femtosecond laser mode locking device based on semiconductor saturable absorber mirror |
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