CN107370016A - A kind of the mum laser standard of wavelength production method of communication band 1.5 and its device - Google Patents
A kind of the mum laser standard of wavelength production method of communication band 1.5 and its device Download PDFInfo
- Publication number
- CN107370016A CN107370016A CN201710690811.2A CN201710690811A CN107370016A CN 107370016 A CN107370016 A CN 107370016A CN 201710690811 A CN201710690811 A CN 201710690811A CN 107370016 A CN107370016 A CN 107370016A
- Authority
- CN
- China
- Prior art keywords
- laser
- wavelength
- reflection film
- rubidium atom
- rubidium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0078—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for frequency filtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/5045—Amplifier structures not provided for in groups H01S5/02 - H01S5/30 the arrangement having a frequency filtering function
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Abstract
The present invention provides a kind of mum laser standard of wavelength production method of communication band 1.5, including：(1) laser that the laser diode by plating anti-reflection film is sent is made to carry out modeling to the frequency of laser by the rubidium atom 5P 4D excitation state 1529nm filters by RF excited；(2) laser after modeling feeds back to the laser diode by laser mirror；(3) the laser diode output is forming the optical maser wavelength standard of lasing on 5P 4D transition wavelengths 1529nm corresponding to rubidium atom filter.The present invention utilizes the laser diode for plating anti-reflection film and the method fed back by the rubidium atom 5P 4D excitation state 1529nm filters and laser mirror of RF excited, realize a kind of mum laser standard of wavelength of communication band 1.5, with long-time stability and accuracy, 1.5 mum laser standards of wavelength steady in a long-term can be provided for a kind of new optical communication field in the world.
Description
【Technical field】
The invention belongs to space optical communication and laser technology field, and in particular to a kind of mum laser ripple of communication band 1.5
Long standard set-up, and the relevant apparatus of methods described
【Background technology】
When people refer to optic communication, laser, optical fiber and high speed data transfer are will recognize that naturally, because they are modern
The representative of optical communication technique.But the optic communication in Modern Significance is derived from the proposition of Einstein's stimulated radiation concept and swashed
The formal appearance of light device.Because fiber optic communication is in recent years in the rapid development in the fields such as laser, make the optical maser wavelength of communication band
Its performance indications it is also proposed higher requirement by etalon standby more solid foundation and clear and definite application target.For light source
For, in addition to requiring that output beam quality is good, working frequency is high, outgoing spectrum is narrow, it is contemplated that the heat of laser is steady
Qualitative, frequency stability and working life etc..In recent years, various countries are one after another incorporated into the mature technology and device of fiber optic communication
Satellite laser communications, correspondingly service band is also to the development of 1.5 micron wavebands.Because multimode laser spectrum is wider, so greatly
Complexion dissipates and optical system error can all cause certain pulse expansion, and its limitation to traffic rate is very important.It is but logical
The single-mode laser of wavelength is believed, although laser linewidth can be very narrow, due to long-term frequency drift be present, without accurate
Property, and without absolute frequency reference, to the poor anti jamming capability of environment, these defects seriously constrain optical communication field
Development.
The commonly used mum laser of communication band 1.5 is all optical fiber laser in the world now, its line width, temperature drift
It is small to move coefficient, but the frequency reference laser standard that this wave band is absolute, all more complicated, system cost is higher.Therefore, in the world,
In order to reach as the mum laser standard of wavelength of communication band 1.5 with absolute frequency values, it is necessary to by laser frequency lock
In the excitation state of acetylene molecule or rubidium atom.But, on the one hand, acetylene molecule signal amplitude very little, frequency locking process are complicated；
On the other hand, in the world in rubidium excited of atoms 1529nm (rubidium atom 1529nm, 5P-4D excitation state) frequency stabilization system of routine,
It is required for the expensive frequency stabilization pumping laser of other set and complicated servo loop, its cost is high and bulky.It is existing
In technology, there is presently no the frequency stabilization pumping laser that need not separately add costliness, but directly with RF excited rubidium atomic air chamber reality
A kind of system of existing communication band 1.5 mum laser standard of wavelength immune to temperature and current noise.On the other hand, because penetrating
Frequency excitation rubidium atomic air chamber can launch stronger fluorescent line, be generally not suitable as space optical filter.
【The content of the invention】
The purpose of the present invention is to overcome prior art defect, a kind of with reference to being realized by the rubidium atom filter technology of RF excited
Without the mum laser standard of wavelength of communication band 1.5 servo-drive system, steady in a long-term, narrow linewidth, optic communication neck can be applied to
Domain is as communication band laser absolute wavelength standard.
The thinking of the present invention is considered because 1.5 mum laser standards of wavelength of lasing output have good coherence,
Despite the presence of stronger fluorescent line, but due to their anisotropy, therefore the 1.5 mum laser ripples that will not be exported to lasing
Long index zone disturbs.
In order to obtain, low cost, narrow linewidth, frequency be steady in a long-term, the high jamproof mum laser wavelength of communication band 1.5
Standard, to improve traffic rate and reliability, with reference to the rubidium atom 5P-4D excitation state optical filtering technique by RF excited laser frequency
Rate is stable on 5P-4D transition wavelength 1529nm corresponding with rubidium atom filter, it is not necessary to separately plus a set of expensive frequency stabilization pumping
Laser, it is directly realized by a kind of mum laser standard of wavelength of communication band 1.5.The 1.5 mum laser wavelength marks that this method obtains
Standard compared to classical pathway obtain should have narrower line width, and have more preferable long-time stability, smaller equipment volume and
Lower generation cost.
Therefore, the present invention provides a kind of mum laser standard of wavelength device of communication band 1.5, described device is filtered in rubidium atom
Form lasing corresponding to light on 5P-4D transition wavelengths 1529nm, described device include plating anti-reflection film laser diode 1, by
The rubidium atom 5P-4D excitation state 1529nm filters and laser mirror 10 of RF excited；
The rubidium atom 5P-4D excitation state 1529nm filters by RF excited include being sequentially arranged laser diode
First in 1 light path is polarized device 2, the first permanent magnet 3, rubidium atom electrodeless discharge lamp, the second permanent magnet 8 and second polarizer 9,
The rubidium atom electrodeless discharge lamp include be arranged in electrodeless lamp housing 4 rubidium atomic air chamber 6, be arranged on outside rubidium atomic air chamber 6
The radio-frequency coil 5 and heater in portion, the both ends of the radio-frequency coil 5 pass through RF connection 11 and radio-frequency module 12.
In the present invention, it is described plating anti-reflection film laser diode 1 anti-reflection film transmission spectrum centre wavelength with by radio frequency
The centre wavelength of the rubidium atom 5P-4D excitation state 1529nm filters of excitation is consistent.
According to a kind of preferred embodiment, the laser mirror 10 is coated with reflectance coating, and reflectance coating swashs for 1.5 microns to wavelength
The reflectivity of light is not less than 80%, makes the semiconductor laser tube directly output of plating anti-reflection film in 5P-4D corresponding to rubidium atom filter
The optical maser wavelength standard of lasing is formed on transition wavelength 1529nm.
In the present invention, the temperature of the rubidium atomic air chamber 6 is 120 DEG C.
According to a kind of preferred embodiment, described device also includes the diaphragm 16 being arranged in light path, and the diaphragm is set
Put between the electrodeless permanent magnet 8 of lamp housing 4 and second.The diaphragm is used to make the laser after modeling feed back through laser mirror
Return in the light path of the laser diode for being coated with anti-reflection film, reduce the fluorescence sent due to RF excited rubidium atom.
According to a kind of optional alternate embodiments, laser mirror 10, the reflection dress can be substituted with a reflection unit
Put is including sequentially connected fiber coupler 13, optical fiber 14 and optical fiber metallic-membrane plating reflector 15, the optical fiber metallic-membrane plating reflector 15
The high reflective mirror of 1.5 micron wave lengths.
In the present invention, the rubidium atom electrodeless gas discharge lamp is as driving source, rf frequency by radio-frequency module
250MHz。
The present invention also provides a kind of mum laser standard of wavelength production method of communication band 1.5, and its thinking is used by penetrating
The rubidium excited of atoms optical filtering technique of frequency excitation, make the light beam that the laser diode for having plated anti-reflection film is sent by one by radio frequency
The temperature of excitation is 120 DEG C of rubidium atomic air chamber, and under magnetic field optically-active effect after modeling, swashing for plating anti-reflection film is fed back to by hysteroscope
Optical diode, vibrate, be amplified to more than laser in the resonator of semiconductor laser diode output light end face and hysteroscope composition
Device oscillation threshold, make the semiconductor laser tube of plating anti-reflection film directly in 5P-4D transition wavelengths 1529nm corresponding to rubidium atom filter
On formed lasing optical maser wavelength standard.
Based on above-mentioned thinking, method of the invention comprises the following steps：
(1) laser that the laser diode by plating anti-reflection film is sent is made by being excited by the rubidium atom 5P-4D of RF excited
State 1529nm filters, modeling is carried out to the frequency of the laser；
(2) laser after modeling is fed back to the laser diode of the plating anti-reflection film by laser mirror；
(3) under the collective effect of step (1) and step (2), the laser diode output light end face of the plating anti-reflection film
Vibrate, be amplified to more than laser oscillation threshold value in the defeated resonator formed with the hysteroscope laser mirror, make plating anti-reflection film
Semiconductor laser tube output is forming the optical maser wavelength mark of lasing on 5P-4D transition wavelengths 1529nm corresponding to rubidium atom filter
It is accurate.
The present invention utilizes and has plated the laser diode of anti-reflection film and the rubidium atom 5P-4D excitation state 1529nm by RF excited
The method of filter and laser mirror feedback, realizes a kind of mum laser standard of wavelength of communication band 1.5.Due to by RF excited
Rubidium atom 5P-4D excitation state 1529nm filters narrow linewidth selecting frequency characteristic, it is ensured that laser mirror feedback output 1.5 microns
The long-time stability and accuracy of optical maser wavelength standard.
The laser diode of anti-reflection film is plated due to the competition of no inner chamber mould, its output frequency is to outside environmental elements, two
The wave noise of the factors such as the operating temperature of pole pipe, the operating current of diode has good immunocompetence, can be continuous for a long time
Ground is operated in as corresponding to the rubidium atom 5P-4D excitation state 1529nm filters of RF excited in frequency.Therefore, it is of the invention logical
Believe that wave band 1.5 mum laser standard of wavelength device has miniaturization, the advantage of low cost, can produce with high noise immunity,
The mum laser standard of wavelength of communication band 1.5 steady in a long-term.
In addition, combined by the use of the semiconductor laser tube for having plated anti-reflection film as LASER Light Source with the rubidium atom after RF excited
5P-4D excitation state 1529nm transition is as standard laser frequency reference, optical maser wavelength mark that device and method of the invention obtains
Standard has insensitive, i.e., immune to the temperature and current noise spy of CFS center frequency stabilization, temperature and electric current to laser diode
Point, 1.5 mum laser standards of wavelength steady in a long-term can be provided for a kind of new optical communication field in the world.
【Brief description of the drawings】
Fig. 1 is the mum laser standard of wavelength production method schematic flow sheet of communication band 1.5 of the present invention；
Fig. 2 is the structural representation of the device of embodiment 1；
Fig. 3 is the structural representation of the device of embodiment 2；
Fig. 4 be rubidium atom two kinds of isotope rubidiums 85 and rubidium 87 ground state 5S to excitation state 5P and 4D energy diagram；
Fig. 5 is that the mum laser standard of wavelength wavelength of communication band 1.5 of embodiment 1 becomes with laser diode temperature and electric current
The relation of change.
Fig. 6 is the 24 hours measurement results of mum laser standard of wavelength frequency of communication band 1.5 of embodiment 2.
Wherein：1- plates the laser diode of anti-reflection film, and 2- first is polarized device, the permanent magnets of 3- first, 4- Non-polarized lamps
Shell, 5- radio-frequency coils, 6- rubidium atomic air chambers, 7- heating rods, the permanent magnets of 8- second, the polarizers of 9- second, 10- laser
Hysteroscope, 11- RF connections, 12- radio-frequency modules, 13- fiber couplers, 14- optical fiber, 15- optical fiber metallic-membrane plating reflectors,
16- diaphragms.
【Embodiment】
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment 1
Fig. 1 is the schematic flow sheet of the mum laser standard of wavelength production method embodiment of communication band 1.5 of the present invention.
This method comprises the following steps：
Step 101, the narrow linewidth transmission spectrum using rubidium atom 5P-4D excitation state 1529nm filters by RF excited
Temperature and magnetic field tuning characteristic and long-time stability, the frequency of the laser sent by the filter to plating anti-reflection film diode
Rate carries out modeling；
Step 102, the laser for sending the laser diode for plating anti-reflection film by the rubidium atom 5P-4D of RF excited by being swashed
After the narrow linewidth modeling for sending out state 1529nm filters, the laser diode of plating anti-reflection film is fed back to by laser mirror.
Step 103, modeling and laser mirror in rubidium atom 5P-4D excitation state 1529nm filters by RF excited
Under the collective effect of feedback, the laser diode for having plated anti-reflection film is exported in 5P-4D transition wavelengths corresponding to rubidium atom filter
The optical maser wavelength standard of lasing is formed on 1529nm.
Further, on the basis of above-mentioned embodiment illustrated in fig. 1, swashed using other gain mediums substitution semiconductor
Optical gain medium, formed the utilization of no chamber by RF excited rubidium atom 5P-4D excitation state 1529nm filters laser mirror
Feedback laser.It is that the laser gain for having plated anti-reflection film that surface is still specially required by the present invention is situated between to pay attention to medium described here
Matter.Other described gain mediums include solid state laser gain medium, gas laser gain media, and liquid laser gain is situated between
Matter and optical-fiber laser gain media, as long as the gain spectrum of these gain mediums and the rubidium atom 5P-4D by RF excited
The transmission spectrum of excitation state 1529nm filters has corresponding frequency, can also according to the method described in the present invention implement using by
The rubidium atom 5P-4D excitation state 1529nm filters and laser mirror feedback laser of RF excited.
Fig. 2 is the structural representation of the device of the embodiment of the present invention 1.The device includes being arranged in light path：Plate anti-reflection
The laser diode 1 of film, rubidium atom 5P-4D excitation state 1529nm filters and laser mirror 10 by RF excited.The filter
Light device is polarized device 2, the first permanent magnet 3, the second permanent magnet 8, second polarizer 9 and rubidium atom electrodeless discharge lamp structure by first
Into the rubidium atom electrodeless discharge lamp is by rubidium atomic air chamber 6, radio-frequency coil 5, heating rod 7, RF connection 11, radio-frequency module
12 and electrodeless lamp housing 4 form.Wherein, radio-frequency coil 5 is arranged on outside rubidium atomic air chamber 6, and radio-frequency coil 5 passes through RF connection
11 are connected with radio-frequency module 12, and the frequency of radio-frequency module 12 is 250MHz.The temperature for making rubidium atomic air chamber 6 by heating rod 7 is
120℃。
The laser diode 1 of plating anti-reflection film sends the spontaneous radiation fluorescence that spectral width reaches nm magnitudes, these fluorescence intermediate frequencies
The luminous energy that spectrum falls in rubidium atom electrodeless discharge lamp pass band passes through the rubidium atom 5P-4D excitation state 1529nm by RF excited
Filter, the laser diode 1 of plating anti-reflection film is fed back under the reflection of laser mirror 10, exported in semiconductor laser diode
Light end face exports at laser mirror 10 and existed with vibrating, being amplified to more than laser oscillation threshold value in the resonator of hysteroscope composition
The optical maser wavelength standard of lasing is formed corresponding to rubidium atom filter on 5P-4D transition wavelengths 1529nm.Radio-frequency module 12 is used for
Ground state rubidium atom is activated to excitation state, by the transmission peaks of the rubidium atom 5P-4D excitation state 1529nm filters of RF excited
Frequency location and transmitance regulation are realized by the temperature extremely magnetic field of the rubidium atomic air chamber inside regulation.
Embodiment 2
Fig. 3 is the structural representation of the device of the embodiment of the present invention 2, is a kind of improved device, it includes：Plate anti-reflection film
Laser diode 1, by rubidium atomic air chamber 6, radio-frequency coil 5, heating rod 7, RF connection 11, radio-frequency module 12 and Non-polarized lamp
The rubidium atom electrodeless discharge lamp that shell 4 is formed, device 2, the first permanent magnet 3, diaphragm 16, the second permanent magnet 8, the are polarized by first
The rubidium atom 5P-4D excitation state 1529nm filters by RF excited that two polarizers 9 and rubidium atom electrodeless discharge lamp are formed, light
Fine coupler 13, the optical fiber 14 with optical fiber metallic-membrane plating reflector 15 are formed.
Difference from Example 1 is first, has plated the spectral width that the laser diode 1 of anti-reflection film is sent and has reached nm amounts
The spontaneous radiation fluorescence of level, through the rubidium atom 5P-4D excitation state 1529nm filters by RF excited afterwards by fiber coupling
Device 13 is coupled into the optical fiber 14 with optical fiber metallic-membrane plating reflector 15, and wherein optical fiber metallic-membrane plating reflector 15 is the height of 1.5 micron wave lengths
Anti- mirror.The laser diode for having plated anti-reflection film is fed back under the reflection of optical fiber metallic-membrane plating reflector 15, in the pole of semiconductor laser two
Vibrate, be amplified to more than laser oscillation threshold value in the resonator that pipe output light end face forms with optical fiber metallic-membrane plating reflector 15,
Output is forming the optical maser wavelength of lasing at second polarizer 9 on 5P-4D transition wavelengths 1529nm corresponding to rubidium atom filter
Standard.
Second, diaphragm 16 is set in light path, and the diaphragm is arranged between the electrodeless permanent magnet 8 of lamp housing 4 and second.Institute
State the light path that diaphragm is used to make the laser after modeling feed back to the laser diode for being coated with anti-reflection film through laser mirror
In, reduce the fluorescence sent due to RF excited rubidium atom.The effect of other elements is identical with position relationship and embodiment 1.
Further, on the basis of above-mentioned embodiment illustrated in fig. 32, by increasing the length of optical fiber 14, that is, increase and partly lead
The resonator that volumetric laser diode output light end face and optical fiber metallic-membrane plating reflector 15 form is grown, so reduce laser cavity certainly
By spectral limit.The laser diode 1 of plating anti-reflection film sends the spontaneous radiation fluorescence that spectral width reaches nm magnitudes, is only in by penetrating
The laser frequency at the rubidium atom 5P-4D excitation state 1529nm filter transmissions spectrum center of frequency excitation could form vibration output, carry
High laser frequency stability, that is, realize a kind of mum laser standard of wavelength of communication band 1.5 output.
Fig. 4 be rubidium atom two kinds of isotope rubidiums 85 and rubidium 87 ground state 5S to excitation state 5P, 4D energy diagram.
Fig. 5 is that the mum laser standard of wavelength wavelength of communication band 1.5 of embodiment 1 becomes with laser diode temperature and electric current
The relation of change.
Wherein, Fig. 5 (a) abscissa is the temperature of laser diode 1, and ordinate is that the communication band 1.5 of embodiment 1 is micro-
The wavelength value of rice optical maser wavelength standard.As seen from the figure, when the driving current of laser diode 1 is constant, with laser diode 1
Temperature change, the reading of the wavelength value of the mum laser standard of wavelength of communication band 1.5 of the embodiment of the present invention 1 on wavemeter
Stabilization is at 1.5 microns.
Fig. 5 (b) abscissa is the driving current of laser diode 1, and ordinate is the mum laser of communication band 1.5
The wavelength value of standard of wavelength.As seen from the figure, laser diode 1 it is temperature-resistant when, become with the driving current of laser diode 1
Change, the reading of the wavelength value of the mum laser standard of wavelength of communication band 1.5 of the embodiment of the present invention 1 on wavemeter is also stabilized in
1.5 micron.So Fig. 5 show the mum laser standard of wavelength of communication band 1.5 of embodiment 1 to the temperature of laser diode 1 and
Current noise is immunized.
Fig. 6 is 1 communication band of embodiment 1.5,24 hours measurement results of mum laser standard of wavelength frequency.Fig. 6 abscissas are
Time, ordinate are the frequency values of the mum laser standard of wavelength of communication band 1.5 of embodiment 1.As seen from the figure, at 24 hours
Between in the range of, the reading of the frequency of the mum laser standard of wavelength of communication band 1.5 of the embodiment of the present invention 1 on wavemeter is all the time
Do not drift about.So Fig. 6 shows that the mum laser standard of wavelength of communication band 1.5 of embodiment 1 has long-term frequency stability.
In summary, the present invention is by having plated the laser diode of anti-reflection film with being swashed by the rubidium atom 5P-4D of RF excited
State 1529nm filters are sent out, the mum laser standard of wavelength of communication band 1.5 are realized, with existing all other 1.5 mum laser
Standard of wavelength is compared, and its occurring principle and device are respectively provided with essential distinction.
In addition, it is although stronger by existing inside the rubidium atom 5P-4D excitation state 1529nm filters of RF excited
Fluorescent line and being typically considered to is not suitable for use in space optical filter, but the present invention avoided by ingenious unique design it is this
The influence that imperfect tape comes, because 1.5 mum laser standards of wavelength of lasing output have good coherence, by RF excited
Anisotropic fluorescent line existing for inside rubidium atom 5P-4D excitation state 1529nm filters will not give the output of this lasing
1.5 mum laser standards of wavelength bring interference.
In addition, the present invention is not limited to laser diode as gain media, also anti-reflection film has been plated including other end faces
Solid state gain medium.A kind of specific alkali metal gas atomic spectral line is not limited in the present invention, and is applied to various alkali metal
Spectral line is possible to corresponding to atomic gas filter.It is not limited in the present invention specifically by the rubidium atom 5P- of RF excited
4D excitation state 1529nm filters, and suitable for the atomic light filter of other manner realization.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, it will be understood by those within the art that：Its according to
Technical scheme can so be modified or equivalent substitution, and these modifications or equivalent substitution can not also make to repair
Technical scheme after changing departs from the spirit and scope of technical solution of the present invention.
Claims (8)
1. the mum laser standard of wavelength device of communication band 1.5, it is characterised in that described device is in 5P- corresponding to rubidium atom filter
Lasing is formed on 4D transition wavelengths 1529nm, described device includes the laser diode (1) of plating anti-reflection film, by RF excited
Rubidium atom 5P-4D excitation state 1529nm filters and laser mirror (10)；
The rubidium atom 5P-4D excitation state 1529nm filters by RF excited include the laser for being sequentially arranged plating anti-reflection film
First in diode (1) light path is polarized device (2), the first permanent magnet (3), rubidium atom electrodeless discharge lamp, the second permanent magnet (8)
With second polarizer (9), the rubidium atom electrodeless discharge lamp include being arranged on rubidium atomic air chamber (6) in electrodeless lamp housing (4),
Rubidium atomic air chamber (6) outside radio-frequency coil (5) and heater are arranged on, the both ends of the radio-frequency coil (5) pass through radio frequency
Connecting line (11) and radio-frequency module (12).
2. device according to claim 1, it is characterised in that the anti-reflection film of the laser diode (1) of the plating anti-reflection film
Transmission spectrum centre wavelength is identical with the centre wavelength of the rubidium atom 5P-4D excitation state 1529nm filters by RF excited.
3. device according to claim 1, it is characterised in that the laser mirror (10) is coated with reflectance coating, the reflectance coating
80% is not less than to the reflectivity of the mum laser of wavelength 1.5.
4. device according to claim 1, it is characterised in that the temperature of the rubidium atomic air chamber (6) is 120 DEG C.
5. device according to claim 4, it is characterised in that described device also includes being arranged on electrodeless lamp housing (4) and the
Diaphragm (16) between two permanent magnets (8).
6. device according to claim 5, it is characterised in that laser mirror (10), the reflection are substituted with a reflection unit
Device includes sequentially connected fiber coupler (13), optical fiber (14) and optical fiber metallic-membrane plating reflector (15), and the optical fiber plated film is anti-
Penetrate the high reflective mirror that mirror (15) is 1.5 micron wave lengths.
7. device according to claim 6, it is characterised in that rf frequency 250MHz.
8. a kind of mum laser standard of wavelength production method of communication band 1.5, the described method comprises the following steps：
(1) laser that the laser diode by plating anti-reflection film is sent is made to pass through the rubidium atom 5P-4D excitation state by RF excited
1529nm filters, modeling is carried out to the frequency of the laser；
(2) laser after modeling is fed back to the laser diode of the plating anti-reflection film by laser mirror along original optical path；
(3) under the collective effect of step (1) and step (2), the laser diode output light end face of the plating anti-reflection film it is defeated with
Vibrate, be amplified to more than laser oscillation threshold value in the resonator of the hysteroscope laser mirror composition, make partly leading for plating anti-reflection film
The output of volumetric laser pipe is forming the optical maser wavelength standard of lasing on 5P-4D transition wavelengths 1529nm corresponding to rubidium atom filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690811.2A CN107370016B (en) | 2017-08-14 | 2017-08-14 | Method and device for generating communication band 1.5-micron laser wavelength standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690811.2A CN107370016B (en) | 2017-08-14 | 2017-08-14 | Method and device for generating communication band 1.5-micron laser wavelength standard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107370016A true CN107370016A (en) | 2017-11-21 |
| CN107370016B CN107370016B (en) | 2019-12-06 |
Family
ID=60310313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710690811.2A Active CN107370016B (en) | 2017-08-14 | 2017-08-14 | Method and device for generating communication band 1.5-micron laser wavelength standard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107370016B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850703A (en) * | 2019-09-30 | 2020-02-28 | 浙江法拉第激光科技有限公司 | High-stability optical frequency atomic clock based on double-frequency Faraday semiconductor laser |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854659B (en) * | 2019-09-30 | 2021-07-20 | 浙江法拉第激光科技有限公司 | Double-frequency Faraday semiconductor laser and implementation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969178A (en) * | 2010-09-21 | 2011-02-09 | 北京大学 | External cavity feedback laser generation method and laser |
| CN102386556A (en) * | 2011-09-22 | 2012-03-21 | 北京大学 | Atomic excitation state anomalous dispersion atom light filter and method for filtering signal light |
| CN102593694A (en) * | 2012-02-15 | 2012-07-18 | 北京大学 | Active laser frequency standard based on four-energy-level quantum system |
| CN203326358U (en) * | 2013-07-25 | 2013-12-04 | 上海高意激光技术有限公司 | Optical fiber coupling semiconductor laser with long coherent length |
| CN106524897A (en) * | 2016-09-27 | 2017-03-22 | 深圳市中图仪器股份有限公司 | Frequency stabilization apparatus and method for laser interferometer |
-
2017
- 2017-08-14 CN CN201710690811.2A patent/CN107370016B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969178A (en) * | 2010-09-21 | 2011-02-09 | 北京大学 | External cavity feedback laser generation method and laser |
| CN102386556A (en) * | 2011-09-22 | 2012-03-21 | 北京大学 | Atomic excitation state anomalous dispersion atom light filter and method for filtering signal light |
| CN102593694A (en) * | 2012-02-15 | 2012-07-18 | 北京大学 | Active laser frequency standard based on four-energy-level quantum system |
| CN203326358U (en) * | 2013-07-25 | 2013-12-04 | 上海高意激光技术有限公司 | Optical fiber coupling semiconductor laser with long coherent length |
| CN106524897A (en) * | 2016-09-27 | 2017-03-22 | 深圳市中图仪器股份有限公司 | Frequency stabilization apparatus and method for laser interferometer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850703A (en) * | 2019-09-30 | 2020-02-28 | 浙江法拉第激光科技有限公司 | High-stability optical frequency atomic clock based on double-frequency Faraday semiconductor laser |
| CN110850703B (en) * | 2019-09-30 | 2021-09-07 | 浙江法拉第激光科技有限公司 | High-stability optical frequency atomic clock based on double-frequency Faraday semiconductor laser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107370016B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104966989B (en) | Wavelength-tunable external cavity laser and adjustable optical transmitter module | |
| RU2269849C2 (en) | Narrow-band fiber lasers of great power with expanded range of wave lengths | |
| US5651019A (en) | Solid-state blue laser source | |
| CN110018631A (en) | The Cs atom microwave frequency standard and its implementation detected using faraday's laser pumping | |
| CN102629102B (en) | Coherent bi-color light source device and method for generating coherent bi-color light | |
| US6856641B2 (en) | Ring resonator based narrow-linewidth semiconductor lasers | |
| CN110336182A (en) | Dark cavity laser | |
| CN101969178A (en) | External cavity feedback laser generation method and laser | |
| EP2030292A1 (en) | Hollow core fiber laser | |
| CN102377431A (en) | Coherent population trapping atomic clock and realization method thereof | |
| CN107370016A (en) | A kind of the mum laser standard of wavelength production method of communication band 1.5 and its device | |
| CN104659637A (en) | Photoelectric oscillator based on optical resonant cavity | |
| CN101237077A (en) | Small Rb atom frequency marking cavity bubble system | |
| CN103701030A (en) | Unimodal 87 Rb isotopic atomic filter used for laser frequency stabilization and filter method thereof | |
| CN105390911A (en) | All-fiber 2mum-waveband dual wavelength gap-adjustable thulium-doped fiber laser | |
| CN106200354A (en) | A kind of optical-fiber type CPT atomic clock physical system | |
| CN108631147B (en) | Wavelength adjustable method synchronous with repetition rate is realized in laser with active-passive lock mould | |
| CN112018590B (en) | Multi-wavelength non-atomic resonance Faraday semiconductor laser | |
| CN105356206A (en) | Wide-temperature-adaptation-interval single frequency fiber laser | |
| US5146185A (en) | Compact optically pumped resonance system and apparatus | |
| CN105742959A (en) | Phase shifting fiber bragg grating based external cavity feedback semiconductor laser | |
| CN115621826A (en) | Power ratio adjustable double-frequency laser and use method | |
| CN115173216A (en) | Magic cavity length laser with frequency-to-cavity length thermal noise immunity and implementation method | |
| Gao et al. | Comparison of relay methods for long-distance radio frequency transmission | |
| CN111404030B (en) | Novel Faraday anomalous dispersion Rb atom filter and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |