CN203786324U - Optical fiber laser beam guiding device - Google Patents
Optical fiber laser beam guiding device Download PDFInfo
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- CN203786324U CN203786324U CN201420024068.9U CN201420024068U CN203786324U CN 203786324 U CN203786324 U CN 203786324U CN 201420024068 U CN201420024068 U CN 201420024068U CN 203786324 U CN203786324 U CN 203786324U
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- China
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- optical fiber
- laser beam
- guiding device
- beam guiding
- fiber
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- Optical Couplings Of Light Guides (AREA)
- Microscoopes, Condenser (AREA)
- Laser Beam Processing (AREA)
Abstract
The utility model relates to an optical fiber laser beam guiding device. The device comprises a laser emitter, an objective table, a three-dimensional hydraulic micro-manipulator and a culture dish. The culture dish is arranged on the objective table. The laser emitter is connected with an optical fiber through an optical fiber coupler. An emitting terminal of the optical fiber points at the culture dish. A control section of the optical fiber is connected with the three-dimensional hydraulic micro-manipulator. The emitting terminal of the optical fiber is taper shaped. According to the utility model, the optical fiber laser beam guiding device has the advantages of small size, high flexibility and long operation distance, and is capable of achieving multi-optical-tweezer coupling with low optical energy loss, so that the anti-interference capability of laser is improved; the optical fiber laser beam guiding device can guide growth cones of neurons to grow in a certain direction; and the laser beam emitted from the emitting terminal of the optical fiber has high density and low divergence.
Description
Technical field
The utility model relates to a kind of fiber laser beam guiding device, relates in particular to a kind of for guiding the fiber laser beam guiding device of neure growth cone oriented growth.
Background technology
Optical tweezer technology has been widely used in biology and physical field at present, in biological field, be usually used in the research of biomacromolecule and biological cell, can make with light tweezer, cell, organelle and chromosome to be caught, sorting, manipulation, bending cytoskeleton, overcome bacterium rotary power that molecular motor power causes, measure motor protein acting force and film system is carried out to quantitative examination.The work of carrying out due to different researchers is different with the concrete object of research, and the configuration to optical optical tweezers system and feature have different requirements.
Tradition light tweezer have volume large, lack dirigibility, operating distance short, should not realize the shortcomings such as multiple light forceps coupling.In addition, in the research of guiding neure growth cone oriented growth, traditional laser traps forms trap by the rear object lens through inverted microscope below of laser beam emitting device transmitting at objective table, in its optic path process, through object lens, reflection and the refraction of medium such as at the bottom of air and double dish, luminous energy loses larger in transmitting procedure.And the trap of halo type makes photon have the action direction of 360 degree, and the guiding principal direction during to its guiding neure growth cone oriented growth has certain interference effect.
Utility model content
The utility model provides that a kind of volume is little, dirigibility is high, operating distance is long, can realize many optically-coupled, optical energy loss is little, antijamming capability is strong and can accurately guide the fiber laser beam guiding device of neuron cone oriented growth.
The technical solution adopted in the utility model is:
A kind of fiber laser beam guiding device, comprise generating laser, objective table and double dish, described double dish is arranged on described objective table, described generating laser is connected with optical fiber by fiber coupler, and the transmitting terminal (transmitting terminal that one end of optical fiber ejaculation laser is optical fiber) of described optical fiber points to described double dish.
Preferably, the utility model also comprises transmitting terminal position for controlling described optical fiber and the micro-behaviour's device of three-dimensional hydraulic of angle, and three D controllers of the micro-behaviour's device of described three-dimensional hydraulic and the control section of described optical fiber (control section of optical fiber is the one section optical fiber adjacent with the transmitting terminal of optical fiber) are fixing.
Preferably, the transmitting terminal of described optical fiber is tapered, and the emitting facet diameter of described optical fiber is 5-10 μ m.
Preferably, the transmitting terminal of described optical fiber is to adopt heating to draw the transmitting terminal of the optical fiber forming.
Preferably, described objective table top is provided with light-emitting device.
Preferably, above or below described objective table, be provided with object lens and/or camera for observing culture material in double dish, or be provided with described camera above described objective table, below is provided with described object lens, or being provided with described object lens above described objective table, below is provided with described camera.
Preferably, described camera is the electronic imaging camera of visible ray or infrared ray responsive.
Preferably, described camera is connected with display screen, facilitates researchist's observation analysis.
Preferably, described generating laser is Infrared laser emission device.
Beneficial effect of the present utility model is:
Fiber laser beam guiding device adopts Optical Fiber Transmission laser, can increase Laser Transmission distance, easily realizes multiple light forceps coupling and luminous energy and in transmitting procedure, loses littlely, makes the light tweezer volume that forms little.Optical fiber belongs to material that can be bending arbitrarily, and the conduction that makes laser pass through optical fiber has realized " curve walking ".Laser, by fiber optic conduction, makes laser in conductive process, be subject to external action little, has strengthened the antijamming capability of laser.Optical-fiber laser guiding device is compared with the traditional light tweezer focusing on based on micro objective, and it is little compared to prior device volume that the laser beam that optical fiber forms is handled more flexible and whole device.
Optical fiber is fixed on the micro-behaviour's device of three-dimensional hydraulic, the micro-behaviour's device of three-dimensional hydraulic can accurately be controlled position, angle, rotation and the motion of the transmitting terminal of optical fiber, make the transmitting terminal of optical fiber can accurately be placed near the arbitrary region of neure growth cone, laser beam is accurately positioned near target region neure growth cone by the transmitting terminal conduction of optical fiber, accurately guides the oriented growth of neure growth cone.
The transmitting terminal of optical fiber is drawn into taper, and emitting facet diameter is 5-10 μ m, and the laser beam that makes to be radiated on growth cone only covers a growth cone part, forms the little divergence of a high density laser irradiation area, thereby accurately guides the direction of growth cone growth.
Draw the optical fiber of the prepared transmitting terminal with conical fiber by heating, have and make simply, fast, the loose angle of the fan-shaped laser beam casting out from the transmitting terminal of prepared conical fiber is enough little, to make to form the excessive face of taper enough level and smooth for heating drawing optical fiber, laser by time lose littlely, the laser beam that makes to be radiated on growth cone only covers a growth cone part, form the little divergence of a high density laser irradiation area, thereby accurately guide the direction of growth cone growth.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to Fig. 1, the utility model provides a kind of fiber laser beam guiding device, comprise generating laser 8, objective table 1 and double dish 2, described double dish 2 is arranged on described objective table 1, on described generating laser, 8 are connected with optical fiber 9 by fiber coupler 7, and the transmitting terminal of described optical fiber 9 points to described double dish 2.
Preferably, on described objective table 1, be fixed with the micro-behaviour's device 6 of three-dimensional hydraulic.Three D controllers of the micro-behaviour's device 6 of described three-dimensional hydraulic and the control section of described optical fiber are fixed, can accurately control position, angle, rotation and the motion of the transmitting terminal of optical fiber by the micro-behaviour's device 6 of three-dimensional hydraulic, thereby the laser penetrating from the transmitting terminal of optical fiber is accurately moved according to actual needs.
Preferably, the transmitting terminal of described optical fiber is tapered, and the emitting facet diameter of described optical fiber is 5-10 μ m.Make the laser beam that penetrates from the transmitting terminal of optical fiber enough little, thereby can accurately guide the direction of controlling growth cone growth.
The tapered method for making of transmitting terminal of described optical fiber is:
1, peel off the plastic peel at the transmitting terminal 1cm place of optical fiber, with 2 tweezers fiber clamping exposed part two ends respectively, on spirit lamp (or alcohol blast burner) flame, heating makes the deliquescing of optical fiber exposed part slightly;
2, while drawing, both hands are held tweezers and are pullled with evenly slow, suitable dynamics to both sides respectively, until drawing optical fibers attenuates;
3, both hands fast moving now, pulls to both sides rapidly, and moment is broken optical fiber.
Draw the optical fiber of the prepared transmitting terminal with conical fiber by heating, have and make simply, fast, the loose angle of the fan-shaped laser beam casting out from the transmitting terminal of prepared conical fiber is enough little, to make to form the excessive face of taper enough level and smooth for heating drawing optical fiber, laser by time lose littlely, the laser beam that makes to be radiated on growth cone only covers a growth cone part, form the little divergence of a high density laser irradiation area, thereby accurately guide the direction of growth cone growth.
Preferably, described objective table 1 top is provided with light-emitting device 3, and objective table 1 below is provided with object lens 10, facilitates researchist to analyze by microscopic examination.
Preferably, it is upper that described light-emitting device 3 can be fixedly installed in travel(l)ing rest (not marking in figure), and on the described travel(l)ing rest bottom described objective table 1 of fixed installation or base 11, described base 11 is located at object lens 10 belows.
Preferably, described objective table 1 top is provided with camera 4, and the vertical height of described camera 4 is higher than light-emitting device 3 vertical heights.In the time utilizing camera 4 observational study, light-emitting device 3 can move to arbitrary position that camera is observed that do not affect by travel(l)ing rest, facilitates researchist to pass through camera 4 and observes, studies.
Preferably, described camera 4 is the electronic imaging camera of visible ray or infrared ray responsive, can selectivity visible ray or infrared laser, and facilitate researchist to observe.
Preferably, described camera 4 is connected with display 5.Facilitating researchist to pass through display 5 directly observes.
In use, light-emitting device 3 is opened, and Infrared laser emission device 8 is launched laser, and laser is transferred in optical fiber 9 by fiber coupler 7, and laser is transferred to neure growth in irradiation double dish 3 through optical fiber 9 and bores near target region.Because growth cone in double dish is in growth course, its direction of growth and position can constantly change, therefore need at set intervals to adjust the transmitting terminal position of optical fiber, can accurately control position, angle, rotation and the motion of optical fiber 9 by the micro-behaviour's device 6 of three-dimensional hydraulic.Make the transmitting terminal of optical fiber can accurately be placed near the arbitrary region of neure growth cone, laser beam is accurately positioned near target region neure growth cone by the transmitting terminal conduction of optical fiber, accurately guide the growth of neure growth cone.
Now, researchist can, by the display 5 observational study targets that are connected with camera 4, also can pass through object lens 10 observational study targets.
Claims (10)
1. a fiber laser beam guiding device, comprise generating laser, objective table and double dish, described double dish is arranged on described objective table, it is characterized in that described generating laser is connected with optical fiber by fiber coupler, and the transmitting terminal of described optical fiber points to described double dish.
2. fiber laser beam guiding device according to claim 1, characterized by further comprising the micro-behaviour's device of the position of the transmitting terminal for controlling described optical fiber and the three-dimensional hydraulic of angle, three D controllers of the micro-behaviour's device of described three-dimensional hydraulic and the control section of described optical fiber are fixed.
3. fiber laser beam guiding device according to claim 1 and 2, is characterized in that the transmitting terminal of described optical fiber is tapered.
4. fiber laser beam guiding device according to claim 3, the emitting facet diameter that it is characterized in that described optical fiber is 5-10 μ m.
5. fiber laser beam guiding device according to claim 4, the transmitting terminal that it is characterized in that described optical fiber is to adopt heating to draw the transmitting terminal of the optical fiber forming.
6. fiber laser beam guiding device according to claim 1 and 2, is characterized in that described objective table top is provided with light-emitting device.
7. fiber laser beam guiding device according to claim 6, it is characterized in that being provided with object lens and/or the camera for observing growth cone growth in double dish above or below described objective table, or described objective table top is provided with described camera, below is provided with described object lens, or being provided with described object lens above described objective table, below is provided with described camera.
8. fiber laser beam guiding device according to claim 7, is characterized in that described camera is the electronic imaging camera of visible ray or infrared ray responsive.
9. fiber laser beam guiding device according to claim 8, is characterized in that described camera is connected with display.
10. fiber laser beam guiding device according to claim 1 and 2, is characterized in that described generating laser is Infrared laser emission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024068.9U CN203786324U (en) | 2014-01-15 | 2014-01-15 | Optical fiber laser beam guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024068.9U CN203786324U (en) | 2014-01-15 | 2014-01-15 | Optical fiber laser beam guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786324U true CN203786324U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420024068.9U Expired - Fee Related CN203786324U (en) | 2014-01-15 | 2014-01-15 | Optical fiber laser beam guiding device |
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| Country | Link |
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| CN (1) | CN203786324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834410A (en) * | 2021-01-04 | 2021-05-25 | 桂林电子科技大学 | Sheet light microscopic imaging method and device based on double-core optical fiber light control |
| CN114515730A (en) * | 2022-01-20 | 2022-05-20 | 哈尔滨工程大学 | Method for carrying out underwater laser detonation cleaning based on tapered optical fiber |
-
2014
- 2014-01-15 CN CN201420024068.9U patent/CN203786324U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834410A (en) * | 2021-01-04 | 2021-05-25 | 桂林电子科技大学 | Sheet light microscopic imaging method and device based on double-core optical fiber light control |
| CN112834410B (en) * | 2021-01-04 | 2022-09-13 | 桂林电子科技大学 | Sheet light microscopic imaging method and device based on double-core optical fiber light control |
| CN114515730A (en) * | 2022-01-20 | 2022-05-20 | 哈尔滨工程大学 | Method for carrying out underwater laser detonation cleaning based on tapered optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |