CN2612967Y - Broad tuning optical parameter fiber-optical amplifier - Google Patents
Broad tuning optical parameter fiber-optical amplifier Download PDFInfo
- Publication number
- CN2612967Y CN2612967Y CN 03228616 CN03228616U CN2612967Y CN 2612967 Y CN2612967 Y CN 2612967Y CN 03228616 CN03228616 CN 03228616 CN 03228616 U CN03228616 U CN 03228616U CN 2612967 Y CN2612967 Y CN 2612967Y
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- Prior art keywords
- optical fiber
- laser
- light source
- optical
- broad tuning
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Abstract
A wide tunable optical parameter optical fiber amplification device is characterized in that the device comprises a laser pumping source, a laser light source, a polarization element, a pumping light source, a polarization element, a convergent lens, an optical fiber, a light filter element and a receiving device, the positional relationship is as below, the laser pumping source pumps the laser light source and emits signal lights which is gathered on the optical fiber through the convergent lens, the pumping light emitted by the pumping light source is directly emitted to the optical fiber after through the polarization element, the signal light and the pumping light are coupled and amplified inside the optical fiber, then signal lights are filtered by the light filtering element and is received by the receiving device. The utility model has the features of total solid state, simple structure, easy manipulation and being able to realize wide wave amplification.
Description
Technical field
The utility model relates to the amplification of broad tuning flashlight, particularly a kind of broad tuning optical parameter optical fiber amplifying device.
Background technology
U.S. Darwin .K in the prior art.Se Kelande people such as (Darwin K.Serkland) has discussed the theory about the non-linear coupling in optical fiber of broad tuning light in " tunable fiber optical parametric oscillator " (Tunable fiber-optic parametric oscillator) literary composition, but a kind of utility unit that amplifies broad tuning light is not provided.
Summary of the invention
The purpose of this utility model provides a kind of broad tuning optical parameter optical fiber amplifying device, and it is the multiplying arrangement that utilizes nonlinear effect row ripple that flashlight propagates in optical fiber to amplify.Of the present utility model simple in structure, operation can obtain desired amplifying signal light easily.
Technical solution of the present utility model is as follows:
A kind of broad tuning optical parameter optical fiber amplifying device, be characterized in that this device is made of laser pumping source, LASER Light Source, polarizing component, pump light source, polarizing component, convergent lens, optical fiber, filter element and receiving device, its position relation is as follows: laser pumping source to LASER Light Source carry out flashlight that pumping sends through polarizing component after convergent lens converges to optical fiber, the pump light that pump light source is sent is directly incident on optical fiber behind polarizing component, leach flashlight by filter element after flashlight and pump light are coupled and amplify and received by receiving trap in optical fiber.
Described laser pumping source can laser diode, or other laser instrument constitutes.
The laser instrument of described LASER Light Source can be the optical fiber solid state laser, or semiconductor laser, or solid state laser.
Described pump light source can be by semiconductor laser, or solid state laser constitutes.
Described optical fiber can be glass optical fiber, or silica fibre.
Filter element can be by optical filter, or by constituting at plating light filter film on glass.
The advantage of broad tuning optical parameter optical fiber amplifying device of the present utility model:
1, use fiber optics parameter amplifying device of the present utility model can realize the broadband amplification.
2, polarizing component 3 and 5 is realized easily, and the kind that is suitable for is more.
3, it is many to can be used for the kind of LASER Light Source and engineering optics fiber optics parameter amplifying device.
4, whole device all solidifies, and is simple in structure, easily operation.
Description of drawings:
Fig. 1 is the utility model broad tuning optical parameter optical fiber amplifying device embodiment synoptic diagram.
Fig. 2 is in fiber optics parameter amplifying device embodiment of the present utility model, and when fiber lengths is 4 meters, the power of pump light is 10W, flashlight gain and signal light wavelength graph of relation.
Embodiment
See also Fig. 1 earlier, the utility model broad tuning optical parameter optical fiber amplifying device, comprise, most crucial element is polarizing component 3 and 5, plus lens 6 and optical fiber 7, polarizing component 3 and 5 is polaroids, places the plane of incidence a of polarizing component 3 before LASER Light Source 2 and laser pumping source 1 to be arranged, and places polarizing component 3 exit facet b to converge optical element 6 and optical fiber 7 afterwards.Place the plane of incidence c of polarizing component 5 before pump light source 4 to be arranged, place polarizing component 5 exit facet d to converge optical lens 6 and optical fiber 7 afterwards.Converge optical element 6 and receive on the optical fiber 7, optical fiber 7 is received on the filter element 8, and the flashlight that is exaggerated is received device 9 and receives.
Said LASER Light Source 2 is to make the output wavelength of light source in the 600nm_1080nm scope with the optical fiber solid state laser, output power 1W constitutes with single mode fiber laser, laser pumping source 1 constitutes with laser diode, LASER Light Source 2 emitted laser are incident on the polarizing component 3, flashlight incides on the focal element 6 after the exit facet b outgoing of polarizing component 3, signal is coupled in the optical fiber 7 through plus lens 6, and optical fiber 7 length are 4m.Before the polarizing component 5 is pump light source 4, this pump light light source 4 is semiconductor lasers, output wavelength 532nm, output power 10W, pump light through 5 of polarizing components partially after by exit facet d outgoing, pump light incides optical fiber 7, and flashlight and pump light leach flashlight by filter element 8 after being coupled and being exaggerated in optical fiber, and the flashlight that is exaggerated is received by receiving trap 9.
Said polarizing component 3 and 5 is made of the Ni Keer prism, and polaroid constitutes, and wollaston prism constitutes.
The laser instrument of said formation LASER Light Source 2 is optical fiber solid state lasers, semiconductor laser, solid-state laser.
Said pump light source 4 is by semiconductor laser, and solid-state laser constitutes.
The said optical element 6 of converging is made of plus lens.
Said optical fiber 7 is by glass optical fiber, and silica fibre constitutes.
Said formation laser pumping source 1 is a laser diode, or other band laser.
Said filter element 8 is made of optical filter, or by being coated with on glass that light filter film constitutes.
Said receiving trap 9 is CCD diode array detectors, or photodiode, or photomultiplier, or the hyperchannel plate, or oscillograph, or computing machine, or operative installations.
The broad tuning optical parameter optical fiber amplifying device course of work of the present utility model is: when laser signal light through 3 of polarizing components partially after converging light element 6 converges incides on the optical fiber, pump light is directly incident on the optical fiber 7 after partially through polarizing component 5 from 4 outgoing of pumping laser light source, nonlinear coupling effects when flashlight Is and pump light Ip propagate in optical fiber, flashlight Is is exaggerated, amplify the two-beam of output by optical fiber 7, a branch of is the flashlight Gs that is exaggerated, another Shu Guang is called idle light Gi, two-beam is after filter element 8, and the flashlight after the amplification is transported on the receiving trap 9.
Fig. 2 is in the foregoing description device, and when fiber lengths is 4 meters, the power of pump light is 10W, flashlight gain and signal light wavelength graph of relation.Flashlight shown in the figure is exaggerated more than 500 times.
The advantage of broad tuning optical parameter optical fiber amplifying device of the present utility model:
1, can realize the broadband amplification with fiber optics parameter amplifying device of the present utility model.
2, polarizing component 3 and 5 is realized easily, and the kind that is suitable for is more.
3, it is many to can be used for the kind of LASER Light Source and engineering optics fiber optics parameter amplifying device.
4, whole device all solidifies, and is simple in structure, easily operation.
Claims (6)
1, a kind of broad tuning optical parameter optical fiber amplifying device, it is characterized in that this device is by laser pumping source (1), LASER Light Source (2), polarizing component (3), pump light source (4), polarizing component (5), convergent lens (6), optical fiber (7), filter element (8) and receiving device (9) constitute, its position relation is as follows: laser pumping source (1) to LASER Light Source (2) carry out flashlight that pumping sends through polarizing component (3) after convergent lens (6) converges to optical fiber (7), the pump light that pump light source (4) is sent is directly incident on optical fiber (7) behind polarizing component (5), leach flashlight by filter element (8) after flashlight and pump light are coupled and amplify and received by receiving trap (9) in optical fiber (7).
2, broad tuning optical parameter optical fiber amplifying device according to claim 1 it is characterized in that described laser pumping source (1) can laser diode, or other laser instrument constitutes.
3, broad tuning optical parameter optical fiber amplifying device according to claim 1 is characterized in that the laser instrument of described LASER Light Source (2) can be the optical fiber solid state laser, or semiconductor laser, or solid state laser.
4, broad tuning optical parameter optical fiber amplifying device according to claim 1 it is characterized in that pump light source (4) can be by semiconductor laser, or solid state laser constitutes.
5, broad tuning optical parameter optical fiber amplifying device according to claim 1 is characterized in that described optical fiber (7) can be glass optical fiber or silica fibre.
6, broad tuning optical parameter optical fiber amplifying device according to claim 1 is characterized in that described filter element (8) can be by optical filter, or by constituting at plating light filter film on glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228616 CN2612967Y (en) | 2003-01-29 | 2003-01-29 | Broad tuning optical parameter fiber-optical amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228616 CN2612967Y (en) | 2003-01-29 | 2003-01-29 | Broad tuning optical parameter fiber-optical amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2612967Y true CN2612967Y (en) | 2004-04-21 |
Family
ID=34164427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03228616 Expired - Fee Related CN2612967Y (en) | 2003-01-29 | 2003-01-29 | Broad tuning optical parameter fiber-optical amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2612967Y (en) |
-
2003
- 2003-01-29 CN CN 03228616 patent/CN2612967Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |