CN107918173A - A kind of temperature sensitivity compensating device - Google Patents
A kind of temperature sensitivity compensating device Download PDFInfo
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- CN107918173A CN107918173A CN201711331192.4A CN201711331192A CN107918173A CN 107918173 A CN107918173 A CN 107918173A CN 201711331192 A CN201711331192 A CN 201711331192A CN 107918173 A CN107918173 A CN 107918173A
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- temperature sensitivity
- collimater
- temperature
- sensitivity compensating
- light beam
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
Abstract
The invention belongs to technical field of photo communication, discloses a kind of temperature sensitivity compensating device, including：Input collimater, output collimater, temperature sensitivity compensating plate component；Temperature sensitivity compensating plate component is arranged between input collimater and output collimater；Temperature sensitivity compensating plate component is used to incident beam being divided into the first light beam and the second light beam, and the first light beam transmits in compensating plate medium, and the second light beam transmits in air dielectric；Temperature sensitivity compensating plate component is inserted into the length variation with temperature of incident beam and changes.The present invention solves the problems, such as that the size of fiber amplifier in the prior art is larger, power consumption is larger, temperature sensitivity compensating device encapsulation volume provided by the invention is small, do not produce extra power consumption, the temperature sensitivity compensating device is applied in fiber amplifier, can be with the gain under compensated optical fiber amplifier total temperature, fiber amplifier power consumption is reduced, reduces fiber amplifier size.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of temperature sensitivity compensating device.
Background technology
Fiber optic communication is just towards over long distances, and high-speed, vast capacity development, wherein fiber amplifier becomes high-speed,
The main flow direction of vast capacity development, the circuit amplification of optical signal, power amplification, preposition amplify etc. are particularly important.Optical fiber
Amplifier has the advantages that high-gain, wide bandwidth, low noise, the output of high saturation, power amplifier can be used as, but also as complete
Light-repeating ship, light preamplifier use.
Gain fibre in fiber amplifier is affected by temperature, and gain curve changes with the change of temperature.In order to protect
Gain stabilization is held, the method that existing fiber amplifier is usually taken is to provide incubation chamber for gain fibre, so that temperature be begun
A temperature spot is maintained eventually, and then ensures the stability of gain.But fiber amplifier is towards miniaturization, integrated, low work(
The direction of consumption is developed, and existing product is difficult to meet the requirements.
The content of the invention
The embodiment of the present application solves fiber amplifier in the prior art by providing a kind of temperature sensitivity compensating device
The problem of size is larger, power consumption is larger.
The embodiment of the present application provides a kind of temperature sensitivity compensating device, including：Input collimater, output collimater,
Temperature sensitivity compensating plate component；The temperature sensitivity compensating plate component is arranged at the input collimater and the output terminal is accurate
Between straight device；
The temperature sensitivity compensating plate component is used to incident beam being divided into the first light beam and the second light beam, first light
Beam transmits in compensating plate medium, and second light beam transmits in air dielectric；The temperature sensitivity compensating plate component insertion
The length variation with temperature of the incident beam and change.
Preferably, the temperature sensitivity compensating plate component includes compensating plate, glass blocks, metal derby, temperature sensitive metal bar；
Wherein, the compensating plate is Nian Jie with the glass blocks, the metal derby and temperature sensitive metal bar bonding, the glass blocks
It is Nian Jie with the metal derby.
Preferably, the input collimater includes optical fiber, lens, single capillary, glass tube；The output terminal collimation
Device includes optical fiber, lens, single capillary, glass tube.
Preferably, optoisolator chipware is further included, the optoisolator chipware is arranged at the input collimater and institute
State between temperature sensitivity compensating plate component.
Preferably, optoisolator chipware is further included, the optoisolator chipware is arranged at the temperature sensitivity compensating plate group
Between part and the output collimater.
Preferably, flat gain filter plate is further included, the flat gain filter plate is arranged at the input collimater
Between the temperature sensitivity compensating plate component.
Preferably, flat gain filter plate is further included, the flat gain filter plate is arranged at the sensitive compensation of the temperature
Between piece component and the output collimater.
Preferably, optoisolator chipware, flat gain filter plate are further included；The flat gain filter plate is arranged at described
Between input collimater and the temperature sensitivity compensating plate component, the optoisolator chipware is arranged at the sensitive benefit of the temperature
Repay between piece component and the output collimater.
Preferably, optoisolator chipware, flat gain filter plate are further included；The optoisolator chipware is arranged at described defeated
Enter to hold between collimater and the temperature sensitivity compensating plate component, the flat gain filter plate is arranged at the sensitive benefit of the temperature
Repay between piece component and the output collimater.
Preferably, the lens in the input collimater and the output collimater are GRIN Lens or ball
One kind in lens.
The one or more technical solutions provided in the embodiment of the present application, have at least the following technical effects or advantages：
In the embodiment of the present application, flashlight is incident to temperature sensitivity compensating plate after input collimater is collimated
Component, inputs light beam are divided into the first light beam and the second light beam, and the second light beam transmits in air dielectric, and the first light beam is compensating
Piece Propagation, the light path by two parts light beam of different medium is different, produces optical path difference, the two parts with optical path difference
Light beam is incident to output collimater and is coupled, and coupling efficiency has wavelength dependence caused by optical path difference.Temperature is sensitive to mend
Repay piece component insertion inputs light beam length variation with temperature and change, cause the energy ratio of the first light beam and the second light beam with
The change of temperature and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of the first light beam and the second light beam, from
And amplitude and the cycle variation with temperature of wavelength correlation curve and change.Temperature sensitivity compensating device encapsulation provided by the invention
It is small, extra power consumption is not produced, which is applied in fiber amplifier, can be amplified with compensated optical fiber
Gain under device total temperature, reduces fiber amplifier power consumption, reduces fiber amplifier size.
Brief description of the drawings
, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the present embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are one embodiment of the present of invention, for this area
For those of ordinary skill, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 1 provides；
Fig. 2 is that the structure of compensating plate and glass blocks is shown in a kind of temperature sensitivity compensating device that the embodiment of the present invention 1 provides
It is intended to；
Metal derby and temperature sensitive metal bar in a kind of temperature sensitivity compensating device that Fig. 3 embodiment of the present invention 1 provides
Structure diagram；
The structural representation of glass blocks and metal derby in a kind of temperature sensitivity compensating device that Fig. 4 embodiment of the present invention 1 provides
Figure；
Incident beam, the first light beam, the second light in a kind of temperature sensitivity compensating device that Fig. 5 embodiment of the present invention 1 provides
The beam position relationship schematic diagram with compensating plate respectively；
Fig. 6 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 2 provides；
Fig. 7 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 3 provides；
Fig. 8 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 4 provides；
Fig. 9 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 5 provides；
Figure 10 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 6 provides；
Figure 11 is a kind of structure diagram for temperature sensitivity compensating device that the embodiment of the present invention 7 provides.
Wherein, 1- input collimaters, 2- temperature sensitivity compensating plates component, 3- output collimaters, 4- optoisolator cores
Part, 5- flat gain filter plates；
2-1- compensating plates, 2-2- glass blocks, 2-3- temperature sensitive metal bar, 2-4- metal derbies；
S- incident beams, the first light beams of S1-, the second light beams of S2-.
Embodiment
The embodiment of the present application solves fiber amplifier in the prior art by providing a kind of temperature sensitivity compensating device
The problem of size is larger, power consumption is larger.
The technical solution of the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
A kind of temperature sensitivity compensating device, including：Input collimater, output collimater, temperature sensitivity compensating plate group
Part；The temperature sensitivity compensating plate component is arranged between the input collimater and the output collimater；
The temperature sensitivity compensating plate component is used to incident beam being divided into the first light beam and the second light beam, first light
Beam transmits in compensating plate medium, and second light beam transmits in air dielectric；The temperature sensitivity compensating plate component insertion
The length variation with temperature of the incident beam and change.
In the present invention, flashlight is incident to temperature sensitivity compensating plate component after input collimater is collimated, incident
Light beam is divided into the first light beam and the second light beam, and the second light beam transmits in air dielectric, and the first light beam is in compensating plate medium
Propagate, the light path by two parts light beam of different medium is different, produces optical path difference, has two parts light beam incidence of optical path difference
Coupled to output collimater, coupling efficiency has wavelength dependence caused by optical path difference.Temperature sensitivity compensating plate component
It is inserted into the length variation with temperature of inputs light beam and changes, causes change of the energy ratio of the first light beam and the second light beam with temperature
Change and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of the first light beam and the second light beam, so that wavelength phase
Close curve amplitude and cycle variation with temperature and change.Temperature sensitivity compensating device encapsulation volume provided by the invention is small,
Extra power consumption is not produced, which is applied in fiber amplifier, can be entirely warm with compensated optical fiber amplifier
Gain under degree, reduces fiber amplifier power consumption, reduces fiber amplifier size.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment 1：
Embodiment 1 provides a kind of temperature sensitivity compensating device, as shown in Figure 1, including：Input collimater 1, output terminal
Collimater 3, temperature sensitivity compensating plate component 2；The temperature sensitivity compensating plate component 2 is arranged at 1 He of input collimater
Between the output collimater 3.
Wherein, the temperature sensitivity compensating plate component 2 includes：Compensating plate 2-1, glass blocks 2-2, temperature sensitive metal bar 2-
3rd, metal derby 2-4, the compensating plate 2-1 is Nian Jie with the glass blocks 2-2 (as shown in Figure 2), the metal derby 2-4 and the temperature
Sensitive metal bar 2-3 bondings (as shown in Figure 3) are spent, the glass blocks 2-2 is Nian Jie with the metal derby 2-4 (as shown in Figure 4), institute
Temperature sensitive metal bar 2-3 is stated to be used to be fixed on pedestal.Shape can occur in temperature change for the temperature sensitive metal bar 2-3
Become so that the temperature sensitivity compensating plate component 2 is inserted into the length variation with temperature of the incident beam and changes.
The input collimater 1 and the output collimater 3 include optical fiber, lens, single capillary, glass
Pipe.The optical fiber can be one kind in ordinary optic fibre, microbend fiber, hot core expansion TEC optical fiber；The lens are GRIN Lens
Or one kind in globe lens.
As shown in figure 5, it is the first light beam S1 and the second light that the temperature sensitivity compensating plate component, which is used to divide incident beam S,
Beam S2；The first light beam S1 is incident to the compensating plate 2-1, and is transmitted in compensating plate medium；The second light beam S2 exists
Transmitted in air dielectric；The temperature sensitivity compensating plate component is inserted into the length variation with temperature of the incident beam and becomes
Change.
Specifically, flashlight after the input collimater 1 carries out collimation processing, incides, the temperature is sensitive to mend
Piece component 2 is repaid, incident beam S is divided into the first light beam S1 and the second light beam S2 at this time, and the second light beam S2 is in air dielectric
Propagate, for the first light beam S1 in compensating plate Propagation, the light path by two parts light beam of different medium is different, generates light
Path difference.Two parts light beam is coupled in the output collimater 3, and coupling efficiency has wavelength dependence caused by optical path difference.Institute
State temperature sensitivity compensating plate component 2 to be inserted into the length variation with temperature of the incident inputs light beam S and change, cause the first light
The ratio of the energy of beam S1 and the second light beam S2 changes with the change of temperature, and the amplitude of wavelength correlation curve and cycle are by
The energy ratio of one light beam S1 and the second light beam S2 determine so that the amplitude of wavelength correlation curve and cycle with the change of temperature and
Change.
In turn, flashlight is inputted from the output collimater 3, incides the temperature sensitivity compensating plate component 2, this
When incident beam S be divided into the first light beam S1 and second light beam S2 two parts, the second light beam S2 is propagated in air dielectric,
For one light beam S1 in compensating plate Propagation, the light path by two parts light beam of different medium is different, generates optical path difference.Two
Segment beam is coupled in the input collimater 1, and coupling efficiency has wavelength dependence caused by optical path difference.The temperature is quick
Sense compensation piece component 2 is inserted into the length variation with temperature of the incident beam S and changes, and causes the first light beam S1 and the second light
The ratio of the energy of beam S2 changes with the change of temperature, and the amplitude of wavelength correlation curve and cycle are by the first light beam S1 and
The energy ratio of two light beam S2 determines, so that the amplitude of wavelength correlation curve and cycle change with the change of temperature.
To sum up, 1 flashlight forward and reverse incidence of embodiment disclosure satisfy that the requirement of compensated curve needed for different temperatures.
On the basis of the temperature sensitivity compensating device that embodiment 1 provides, increase optoisolator chipware, obtain embodiment 2.
Embodiment 2：
Embodiment 2 provides a kind of temperature sensitivity compensating device, as shown in fig. 6, including：Input collimater 1, output terminal
Collimater 3, temperature sensitivity compensating plate component 2, optoisolator chipware 4；Wherein, the temperature sensitivity compensating plate component 2 is arranged at
Between the input collimater 1 and the output collimater 3, it is accurate that the optoisolator chipware 4 is arranged at the input terminal
Directly between device 1 and the temperature sensitivity compensating plate component 2.
Specifically, flashlight is inputted from the input collimater 1, the optoisolator chipware 4 is incided, flashlight leads to
After crossing the optoisolator chipware 4, the temperature sensitivity compensating plate component 2 is reached, incident beam is divided into two parts at this time,
A part of incident beam is propagated in air dielectric, and another part incident beam passes through different Jie in compensating plate Propagation
The light path of two parts light beam of matter is different, generates optical path difference.Two parts light beam is coupled in the output collimater 3, coupling
Efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted into the length of the incident beam
Variation with temperature and change, cause the ratio of two parts beam energy to change with the change of temperature, wavelength correlation curve
Amplitude and the cycle determined by the energy ratio of two parts light beam so that the amplitude of wavelength correlation curve and cycle are with the change of temperature
Change and change.
In turn, flashlight flashlight is inputted from the exit end collimater 3, incides the temperature sensitivity compensating plate group
Part 2, after flashlight is by the temperature sensitivity compensating plate component 2, when reaching the optoisolator chipware 4, flashlight is described
Optoisolator chipware 4 is isolated, and can not reach the input collimater 1.
To sum up, 2 forward direction of embodiment meets the requirement of compensated curve needed for different temperatures, reverse isolation flashlight.
Temperature sensitivity compensating plate component, the position of optoisolator chipware in adjustment embodiment 2, obtain embodiment 3.
Embodiment 3：
Embodiment 3 provides a kind of temperature sensitivity compensating device, as shown in fig. 7, comprises：Input collimater 1, output terminal
Collimater 3, temperature sensitivity compensating plate component 2, optoisolator chipware 4；Wherein, the temperature sensitivity compensating plate component 2 is arranged at
Between the input collimater 1 and the output collimater 3, it is sensitive that the optoisolator chipware 4 is arranged at the temperature
Between compensating plate component 2 and the output collimater 3.
Specifically, flashlight is inputted from the input collimater 1, the temperature sensitivity compensating plate component 2 is incided, this
When incident beam be divided into two parts, a part of incident beam is propagated in air dielectric, and another part incident beam is being mended
Piece Propagation is repaid, the light path by two parts light beam of different medium is different, generates optical path difference.After two parts light beam
The optoisolator chipware 4 is reached, by being coupled after the optoisolator chipware 4 in the output collimater 3, coupling efficiency
With wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted into the length of the incident beam with temperature
The change of degree and change, cause the ratio of two parts beam energy to change with the change of temperature, wavelength correlation curve shakes
Width and cycle determine by the energy ratio of two parts light beam, thus the amplitude of wavelength correlation curve and cycle with the change of temperature and
Change.
In turn, optical signal incides the optoisolator chipware 4 from the exit end collimater 3, and flashlight is described
Optoisolator chipware 4 is isolated, and can not close beam to the incidence end collimater 1.
To sum up, 3 forward direction of embodiment meets the requirement of compensated curve needed for different temperatures, reverse isolation flashlight.
On the basis of the temperature sensitivity compensating device that embodiment 1 provides, increase flat gain filter plate, obtain embodiment
4。
Embodiment 4：
Embodiment 4 provides a kind of temperature sensitivity compensating device, as shown in figure 8, including：Input collimater 1, output terminal
Collimater 3, temperature sensitivity compensating plate component 2, flat gain filter plate 5；Wherein, the temperature sensitivity compensating plate component 2 is set
Between the input collimater 1 and the output collimater 3, the flat gain filter plate 5 is arranged at the input
Hold between collimater 1 and the temperature sensitivity compensating plate component 2.
Specifically, flashlight is inputted from the input collimater 1, the gain flattening fiter 5 is incided, from described
The optical signal filtering that gain flattening fiter 5 is emitted incides the temperature sensitivity compensating plate component 2 into required curve, this
When incident beam be divided into two parts, a part of incident beam is propagated in air dielectric, and another part incident beam is being mended
Piece Propagation is repaid, the light path by two parts light beam of different medium is different, generates optical path difference.Two parts light beam is in institute
State output collimater 3 to couple, coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component
2 are inserted into the length variation with temperature of the incident beams and change, and cause the ratio of two parts beam energy with temperature
Change and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve
Amplitude and the cycle change with the change of temperature, be superimposed with flat gain filter curve, be coupled to output terminal collimation
Device 3.
In turn, flashlight incides the gain flattening fiter 5 from the output collimater 3, from the gain
The optical signal filtering that flat optical filter 5 is emitted incides the temperature sensitivity compensating plate component 2, enters at this time into required curve
Irradiating light beam is divided into two parts, and a part of incident beam is propagated in air dielectric, and another part incident beam is in compensating plate
Propagation, the light path by two parts light beam of different medium is different, generates optical path difference.Two parts light beam is described defeated
Enter to hold collimater 1 to couple, coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted
Enter the length variation with temperature of the incident beam and change, cause the ratio of two parts beam energy with the change of temperature
And change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve shakes
Width and cycle change with the change of temperature.
To sum up, 4 forward and reverse incidence of embodiment has been satisfied by the requirement of compensated curve needed for different temperatures.
Temperature sensitivity compensating plate component, the position of flat gain filter plate in adjustment embodiment 4, obtain embodiment 5.
Embodiment 5：
Embodiment 5 provides a kind of temperature sensitivity compensating device, as shown in figure 9, including：Input collimater 1, output terminal
Collimater 3, temperature sensitivity compensating plate component 2, flat gain filter plate 5；Wherein, the temperature sensitivity compensating plate component 2 is set
Between the input collimater 1 and the output collimater 3, the flat gain filter plate 5 is arranged at the temperature
Between sensitive compensating plate component 2 and the output collimater 3.
Specifically, flashlight is inputted from the input collimater 1, the temperature sensitivity compensating plate component 2 is incided, this
When incident beam be divided into two parts, a part of incident beam is propagated in air dielectric, and another part incident beam is being mended
Piece Propagation is repaid, the light path by two parts light beam of different medium is different, generates optical path difference.Two parts light beam is in institute
State output collimater 3 to couple, coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component
2 are inserted into the length variation with temperature of the incident beams and change, and cause the ratio of two parts beam energy with temperature
Change and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve
Amplitude and the cycle change with the change of temperature.Optical signal reaches and incides the gain flattening fiter 5, from the increasing
The optical signal filtering that the flat optical filter 5 of benefit is emitted is superimposed into required curve with compensated curve, is coupled to the exit end collimation
Device 3.
In turn, flashlight is inputted from the output collimater 3, incides the gain flattening fiter 5, from described
The optical signal filtering that gain flattening fiter 5 is emitted incides the temperature sensitivity compensating plate component 2 into required curve, this
When incident beam be divided into two parts, a part of incident beam is propagated in air dielectric, and another part incident beam is being mended
Piece Propagation is repaid, the light path by two parts light beam of different medium is different, generates optical path difference.Two parts light beam is in institute
State input collimater 1 to couple, coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component
2 are inserted into the length variation with temperature of the incident beams and change, and cause the ratio of two parts beam energy with temperature
Change and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve
Amplitude and the cycle change with the change of temperature, be superimposed with flat gain filter curve, be coupled to input terminal collimation
Device 1.
To sum up, 5 forward and reverse incidence of embodiment has been satisfied by the requirement of compensated curve needed for different temperatures.
On the basis of the temperature sensitivity compensating device that embodiment 1 provides, increase optoisolator chipware, flat gain filtering
Piece, obtains embodiment 6.
Embodiment 6：
Embodiment 6 provides a kind of temperature sensitivity compensating device, as shown in Figure 10, including：Input collimater 1, output
Hold collimater 3, temperature sensitivity compensating plate component 2, optoisolator chipware 4, flat gain filter plate 5；Wherein, the temperature is sensitive
Compensating plate component 2 is arranged between the input collimater 1 and the output collimater 3, the flat gain filter plate 5
It is arranged between the input collimater 1 and the temperature sensitivity compensating plate component 2, the optoisolator chipware 4 is arranged at
Between the temperature sensitivity compensating plate component 2 and the output collimater 3.
Specifically, flashlight is inputted from the input collimater 1, the gain flattening fiter 5 is incided, from described
The optical signal filtering that gain flattening fiter 5 is emitted incides the temperature sensitivity compensating plate component 2 into required curve, this
When incident beam be divided into two parts, a part of incident beam is propagated in air dielectric, and another part incident beam is being mended
Piece Propagation is repaid, the light path by two parts light beam of different medium is different, generates optical path difference.Described in optical signal reaches
Optoisolator chipware 4, is coupled to the exit end collimater 3, two parts light beam is described defeated by the optoisolator chipware 4
Outlet collimater 3 couples, and coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted
Enter the length variation with temperature of the incident beam and change, cause the ratio of two parts beam energy with the change of temperature
And change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve shakes
Width and cycle change with the change of temperature.
In turn, flashlight incides the optoisolator chipware 4 from the exit end collimater 3, and flashlight is described
Optoisolator chipware 4 is isolated, and can not close beam to the input collimater 1.
To sum up, the flat filter curve of 6 forward gain of embodiment is superimposed with compensated curve meets compensation needed for different temperatures
The requirement of curve, reverse isolation flashlight.
Optoisolator chipware, the position of flat gain filter plate in adjustment embodiment 6, obtain embodiment 7.
Embodiment 7：
Embodiment 7 provides a kind of temperature sensitivity compensating device, as shown in figure 11, including：Including：Input collimater 1,
Output collimater 3, temperature sensitivity compensating plate component 2, optoisolator chipware 4, flat gain filter plate 5；Wherein, the temperature
Sensitive compensating plate component 2 is arranged between the input collimater 1 and the output collimater 3, the optoisolator core
Part 4 is arranged between the input collimater 1 and the temperature sensitivity compensating plate component 2, and the flat gain filter plate 5 is set
It is placed between the temperature sensitivity compensating plate component 2 and the output collimater 3.
Specifically, flashlight is inputted from the input collimater 1, the optoisolator chipware 4 is incided, through described
Optoisolator chipware 4, incides the temperature sensitivity compensating plate component 2, and incident beam is divided into two parts at this time, a part
Incident beam is propagated in air dielectric, and another part incident beam passes through the two of different medium in compensating plate Propagation
The light path of segment beam is different, generates optical path difference.Two parts light beam is coupled in the output collimater 3, coupling efficiency tool
There is wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted into the length of the incident beam with temperature
Change and change, cause the ratio of two parts beam energy to change with the change of temperature, the amplitude of wavelength correlation curve
Determined with the cycle by the energy ratio of two parts light beam, so that the amplitude of wavelength correlation curve and cycle change with the change of temperature
Become.Optical signal reaches the flat gain filter plate 5, and compensated curve is superimposed with flat gain filter curve at this time, is coupled to institute
State output collimater 3.
In turn, flashlight incides the flat gain filter plate 5 from the output collimater 3, from the gain
The optical signal filtering that flat filter plate 5 is emitted incides the temperature sensitivity compensating plate component 2, enters at this time into required curve
Irradiating light beam is divided into two parts, and a part of incident beam is propagated in air dielectric, and another part incident beam is in compensating plate
Propagation, the light path by two parts light beam of different medium is different, generates optical path difference.Two parts light beam is described defeated
Enter to hold collimater 1 to couple, coupling efficiency has wavelength dependence caused by optical path difference.The temperature sensitivity compensating plate component 2 is inserted
Enter the length variation with temperature of the incident beam and change, cause the ratio of two parts beam energy with the change of temperature
And change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of two parts light beam, so that wavelength correlation curve shakes
Width and cycle change with the change of temperature.Flat gain filter curve is superimposed with compensated curve at this time, into the light every
From device chipware 4, flashlight is isolated by the optoisolator chipware 4, can not close beam to the input collimater 1.
To sum up, the flat filter curve of 7 forward gain of embodiment is superimposed with compensated curve meets compensation needed for different temperatures
The requirement of curve, reverse isolation flashlight.
A kind of temperature sensitivity compensating device provided in an embodiment of the present invention includes at least following technique effect：
In the embodiment of the present application, flashlight is incident to temperature sensitivity compensating plate after input collimater is collimated
Component, incident beam are divided into the first light beam and the second light beam, and the second light beam transmits in air dielectric, and the first light beam is compensating
Piece Propagation, the light path by two parts light beam of different medium is different, produces optical path difference, the two parts with optical path difference
Light beam is incident to output collimater and is coupled, and coupling efficiency has wavelength dependence caused by optical path difference.Temperature is sensitive to mend
Repay piece component insertion inputs light beam length variation with temperature and change, cause the energy ratio of the first light beam and the second light beam with
The change of temperature and change, the amplitude of wavelength correlation curve and cycle are determined by the energy ratio of the first light beam and the second light beam, from
And amplitude and the cycle variation with temperature of wavelength correlation curve and change.Temperature sensitivity compensating device encapsulation provided by the invention
It is small, extra power consumption is not produced, which is applied in fiber amplifier, can be amplified with compensated optical fiber
Gain under device total temperature, reduces fiber amplifier power consumption, reduces fiber amplifier size.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, can be to the present invention
Technical solution technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, it should all cover
Among scope of the presently claimed invention.
Claims (10)
- A kind of 1. temperature sensitivity compensating device, it is characterised in that including：Input collimater, output collimater, temperature are sensitive Compensating plate component；The temperature sensitivity compensating plate component be arranged at the input collimater and the output collimater it Between；The temperature sensitivity compensating plate component is used to incident beam being divided into the first light beam and the second light beam, and first light beam exists Transmitted in compensating plate medium, second light beam transmits in air dielectric；Described in the temperature sensitivity compensating plate component insertion The length variation with temperature of incident beam and change.
- 2. temperature sensitivity compensating device according to claim 1, it is characterised in that the temperature sensitivity compensating plate component bag Include compensating plate, glass blocks, metal derby, temperature sensitive metal bar；Wherein, the compensating plate is Nian Jie with the glass blocks, the gold Belong to block and temperature sensitive metal bar bonding, the glass blocks is Nian Jie with the metal derby.
- 3. temperature sensitivity compensating device according to claim 1, it is characterised in that the input collimater includes light Fibre, lens, single capillary, glass tube；The output collimater includes optical fiber, lens, single capillary, glass tube.
- 4. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include optoisolator core Part, the optoisolator chipware are arranged between the input collimater and the temperature sensitivity compensating plate component.
- 5. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include optoisolator core Part, the optoisolator chipware are arranged between the temperature sensitivity compensating plate component and the output collimater.
- 6. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include flat gain filter Wave plate, the flat gain filter plate are arranged between the input collimater and the temperature sensitivity compensating plate component.
- 7. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include flat gain filter Wave plate, the flat gain filter plate are arranged between the temperature sensitivity compensating plate component and the output collimater.
- 8. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include optoisolator core Part, flat gain filter plate；The flat gain filter plate is arranged at the input collimater and the sensitive compensation of the temperature Between piece component, the optoisolator chipware be arranged at the temperature sensitivity compensating plate component and the output collimater it Between.
- 9. according to any temperature sensitivity compensating device in claim 1-3, it is characterised in that further include optoisolator core Part, flat gain filter plate；The optoisolator chipware is arranged at the input collimater and the temperature sensitivity compensating plate Between component, the flat gain filter plate be arranged at the temperature sensitivity compensating plate component and the output collimater it Between.
- 10. temperature sensitivity compensating device according to claim 3, it is characterised in that the input collimater and described The lens in output collimater are one kind in GRIN Lens or globe lens.
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| CN201711331192.4A CN107918173A (en) | 2017-12-13 | 2017-12-13 | A kind of temperature sensitivity compensating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711331192.4A CN107918173A (en) | 2017-12-13 | 2017-12-13 | A kind of temperature sensitivity compensating device |
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| CN105259623A (en) * | 2015-10-30 | 2016-01-20 | 武汉电信器件有限公司 | Laser and grating coupler packaging structure and method |
| CN106207749A (en) * | 2016-08-29 | 2016-12-07 | 武汉光迅科技股份有限公司 | A kind of narrow linewidth semiconductor laser based on Single wavelength narrow-band-filter assembly frequency-selecting |
| CN106842764A (en) * | 2017-03-14 | 2017-06-13 | 武汉光迅科技股份有限公司 | Passive temperature compensation GFF filters the determination method of spectral pattern |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09293922A (en) * | 1996-04-25 | 1997-11-11 | Mitsubishi Electric Corp | Light amplifier |
| CN201662632U (en) * | 2010-02-09 | 2010-12-01 | 北极光电(深圳)有限公司 | Isolator and gain flattening filter mixed component |
| CN203084238U (en) * | 2012-12-03 | 2013-07-24 | 武汉光迅科技股份有限公司 | Integrated optical device |
| CN104426049A (en) * | 2013-08-27 | 2015-03-18 | 乔立杰 | Reducing thermal dependence of amplifier gain |
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Application publication date: 20180417 |