CN109725472A - A kind of OSA of electropical scanning - Google Patents
A kind of OSA of electropical scanning Download PDFInfo
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- CN109725472A CN109725472A CN201711042705.XA CN201711042705A CN109725472A CN 109725472 A CN109725472 A CN 109725472A CN 201711042705 A CN201711042705 A CN 201711042705A CN 109725472 A CN109725472 A CN 109725472A
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- osa
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- optical fiber
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- 239000013078 crystal Substances 0.000 claims abstract description 35
- 239000013307 optical fiber Substances 0.000 claims abstract description 28
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 230000010287 polarization Effects 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims 1
- 238000001228 spectrum Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The present invention discloses a kind of OSA of electropical scanning, including optical fiber collimator, walk-off crystal, the first electro-optical polarizer, etalon array, focusing array and the PD array set gradually, optical fiber collimator is single optical fiber calibrator, the light that light collimator is sent out is divided into P-polarized light and S polarized light by walk-off crystal, the exit end of walk-off crystal is equipped with broadband waveplate, after P-polarized light and S polarized light are polarized via the first electro-optical polarizer, passes sequentially through etalon array and focus array arrival PD array.The present invention makes electro-optic deflector using one-dimensional or two-dimentional KTN, constitutes broadband OSA with the PD with different-waveband single mode or the optical fiber collimator 1 of multi fiber head production, Work-off crystal, broadband waveplate 3, one-dimensional or two-dimentional arrangement ultra-thin etalon and different-waveband and quick OSA is made.The present invention has larger range of scan angle, can carry out the quick scanning of extensive spectrum.
Description
Technical field
The present invention relates to optical-fibre communications field more particularly to a kind of OSA of electropical scanning.
Background technique
The OSA of existing electropical scanning, sweep bandwidth is smaller, slow to the scanning speed of extensive spectrum.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of OSA of electropical scanning.
The technical solution adopted by the present invention is that:
A kind of OSA of electropical scanning comprising the optical fiber collimator that sets gradually, walk-off crystal, the first electro-optical polarizer,
Etalon array focuses array and PD array, and optical fiber collimator is single optical fiber calibrator, and walk-off crystal is by light collimator
The light of hair is divided into P-polarized light and S polarized light, and the exit end of walk-off crystal is equipped with broadband waveplate, P-polarized light and S polarized light
After the first electro-optical polarizer polarization, passes sequentially through etalon array and focus array arrival PD array.
The broadband waveplate is 1/2 wave plate.
Institute's etalon array focuses array and PD array in one-dimensional arrangement.
First electro-optical polarizer is KTN crystal, and the two sides of KTN crystal are equipped with electrode.
A kind of OSA of electropical scanning comprising optical fiber collimator, walk-off crystal, the first electric light set gradually is inclined
Shake device, the second electro-optical polarizer, etalon array, focusing array and PD array, and the optical fiber collimator is multiple optical fiber collimating,
The light that light collimator is sent out is divided into P-polarized light and S polarized light by walk-off crystal, and the exit end of walk-off crystal is equipped with width
The polarization direction of band wave plate, the first electro-optical polarizer and the second electro-optical polarizer is different, and P-polarized light and S polarized light are via first
After electro-optical polarizer and the second electro-optical polarizer polarization, passes sequentially through etalon array and focus array arrival PD array.
Multiple optical fiber collimating is made of the single mode or multimode fibre of different-waveband.
The broadband waveplate is achromatic waveplate.
The etalon array focuses array and PD array in two dimension arrangement.
First electro-optical polarizer, the second electro-optical polarizer are KTN crystal, and the two sides of KTN crystal are equipped with electrode.
First electro-optical polarizer and the second electro-optical polarizer polarization direction are mutually perpendicular to.
The invention adopts the above technical scheme, makes electro-optic deflector using one-dimensional or two-dimentional KTN, the silicon of imitative Egies is swept
Etalon is retouched, with optical fiber collimator, the Work-off crystal, broadband waveplate, one with different-waveband single mode or the production of multi fiber head
The PD of the ultra-thin etalon and different-waveband of dimension or two dimension arrangement constitutes broadband OSA and quick OSA is made.Electric light of the invention is swept
The OSA size retouched is small, has larger range of scan angle, can carry out the quick scanning of extensive spectrum.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is a kind of positive structure diagram of the embodiment 1 of the OSA of electropical scanning of the present invention；
Fig. 2 is a kind of overlooking structure diagram of the embodiment 1 of the OSA of electropical scanning of the present invention；
Fig. 3 is a kind of structural schematic diagram of the embodiment 2 of the OSA of electropical scanning of the present invention.
Specific embodiment
Embodiment 1:
As shown in the figures 1 and 2, the invention discloses a kind of OSA of electropical scanning it include the optical fiber collimator 1 set gradually,
Walk-off crystal 2, etalon array 5, focuses array 6 and PD array 7 at first electro-optical polarizer 4, and stating optical fiber collimator 1 is
The light that light collimator is sent out is divided into P-polarized light and S polarized light, walk-off crystal by single optical fiber calibrator, walk-off crystal 2
After 2 exit end is equipped with broadband waveplate 3, P-polarized light and S polarized light via the first electro-optical polarizer 4 polarization, standard is passed sequentially through
Have array 5 and focus array 6 and reaches PD array 7.
The broadband waveplate 3 is 1/2 wave plate.
Institute's etalon array 5 focuses array 6 and PD array 7 in one-dimensional arrangement.
First electro-optical polarizer 4 is KTN crystal, and the two sides of KTN crystal are equipped with electrode.
Embodiment 2:
As shown in figure 3, the invention also discloses a kind of OSA of electropical scanning comprising the optical fiber collimator 1 that sets gradually,
Walk-off crystal 2, the second electro-optical polarizer 8, etalon array 5, focuses array 6 and PD array 7 at first electro-optical polarizer 4,
The optical fiber collimator 1 is multiple optical fiber collimating, and the light that light collimator is sent out is divided into P-polarized light to walk-off crystal 2 and S is inclined
Shake light, and the exit end of walk-off crystal 2 is equipped with broadband waveplate 3, the first electro-optical polarizer 4 and the second electro-optical polarizer 8 it is inclined
After direction difference, P-polarized light and the S polarized light of shaking are polarized via the first electro-optical polarizer 4 and the second electro-optical polarizer 8, successively lead to
It crosses etalon array 5 and focuses array 6 and reach PD array 7.
Multiple optical fiber collimating 1 is made of the single mode or multimode fibre of different-waveband.
The broadband waveplate 3 is achromatic waveplate.
The etalon array 5 focuses array 6 and PD array 7 in two dimension arrangement.
First electro-optical polarizer 4, the second electro-optical polarizer 8 are KTN crystal, and the two sides of KTN crystal are equipped with electrode.
First electro-optical polarizer 4 and 8 polarization direction of the second electro-optical polarizer are mutually perpendicular to.
The invention adopts the above technical scheme, makes electro-optic deflector using one-dimensional or two-dimentional KTN, the silicon of imitative Egies is swept
Retouch etalon, with different-waveband single mode or multi fiber head production optical fiber collimator 1, Work-off crystal, broadband waveplate 3,
The ultra-thin etalon of one-dimensional or two-dimentional arrangement and the PD of different-waveband constitute broadband OSA and quick OSA are made.Electric light of the invention
The OSA size of scanning is small, has larger range of scan angle, can carry out the quick scanning of extensive spectrum.
Claims (10)
1. a kind of OSA of electropical scanning, it is characterised in that: it includes the optical fiber collimator set gradually, walk-off crystal,
One electro-optical polarizer, etalon array focus array and PD array, and optical fiber collimator is single optical fiber calibrator, and walk-off is brilliant
The light that light collimator is sent out is divided into P-polarized light and S polarized light by body, and the exit end of walk-off crystal is equipped with broadband waveplate, and P is inclined
After vibration light and S polarized light are polarized via the first electro-optical polarizer, passes sequentially through etalon array and focus array arrival PD array.
2. a kind of OSA of electropical scanning according to claim 1, it is characterised in that: the broadband waveplate is 1/2 wave plate.
3. a kind of OSA of electropical scanning according to claim 1, it is characterised in that: the quasi- tool array, focus array and
PD array is in one-dimensional arrangement.
4. a kind of OSA of electropical scanning according to claim 1, it is characterised in that: first electro-optical polarizer is KTN
The two sides of crystal, KTN crystal are equipped with electrode.
5. a kind of OSA of electropical scanning comprising optical fiber collimator, walk-off crystal, the first electric light polarization set gradually
Device, etalon array, focuses array and PD array at the second electro-optical polarizer, and the optical fiber collimator is multiple optical fiber collimating,
The light that light collimator is sent out is divided into P-polarized light and S polarized light by walk-off crystal, and the exit end of walk-off crystal is equipped with width
The polarization direction of band wave plate, the first electro-optical polarizer and the second electro-optical polarizer is different, and P-polarized light and S polarized light are via first
After electro-optical polarizer and the second electro-optical polarizer polarization, passes sequentially through etalon array and focus array arrival PD array.
6. a kind of OSA of electropical scanning according to claim 5, it is characterised in that: the multiple optical fiber collimating is not using
Single mode or multimode fibre with wave band are made.
7. a kind of OSA of electropical scanning according to claim 5, it is characterised in that: the broadband waveplate is De-dispersion wave
Piece.
8. a kind of OSA of electropical scanning according to claim 5, it is characterised in that: the etalon array focuses array
With PD array in two dimension arrangement.
9. a kind of OSA of electropical scanning according to claim 5, it is characterised in that: first electro-optical polarizer, second
Electro-optical polarizer is KTN crystal, and the two sides of KTN crystal are equipped with electrode.
10. a kind of OSA of electropical scanning according to claim 5, it is characterised in that: first electro-optical polarizer and
Two electro-optical polarizer polarization directions are mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042705.XA CN109725472A (en) | 2017-10-30 | 2017-10-30 | A kind of OSA of electropical scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042705.XA CN109725472A (en) | 2017-10-30 | 2017-10-30 | A kind of OSA of electropical scanning |
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| Publication Number | Publication Date |
|---|---|
| CN109725472A true CN109725472A (en) | 2019-05-07 |
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| CN201711042705.XA Pending CN109725472A (en) | 2017-10-30 | 2017-10-30 | A kind of OSA of electropical scanning |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102190A (en) * | 2006-10-17 | 2008-05-01 | Seiko Epson Corp | Scanning type optical device |
| CN101183202A (en) * | 2006-11-16 | 2008-05-21 | 精工爱普生株式会社 | Scanning device and scanning type optical apparatus |
| CN101285980A (en) * | 2008-05-21 | 2008-10-15 | 中国科学院上海光学精密机械研究所 | Electro-optical control two-dimensional laser beam scanning array |
| CN201828338U (en) * | 2010-10-22 | 2011-05-11 | 福州高意通讯有限公司 | Optical structure for improving resolution ratio of simple spectrometer |
| CN104242044A (en) * | 2014-09-29 | 2014-12-24 | 西安理工大学 | Electro-optical double-refraction double-cavity double-frequency Nd:YAG laser device and frequency difference tuning method |
-
2017
- 2017-10-30 CN CN201711042705.XA patent/CN109725472A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008102190A (en) * | 2006-10-17 | 2008-05-01 | Seiko Epson Corp | Scanning type optical device |
| CN101183202A (en) * | 2006-11-16 | 2008-05-21 | 精工爱普生株式会社 | Scanning device and scanning type optical apparatus |
| CN101285980A (en) * | 2008-05-21 | 2008-10-15 | 中国科学院上海光学精密机械研究所 | Electro-optical control two-dimensional laser beam scanning array |
| CN201828338U (en) * | 2010-10-22 | 2011-05-11 | 福州高意通讯有限公司 | Optical structure for improving resolution ratio of simple spectrometer |
| CN104242044A (en) * | 2014-09-29 | 2014-12-24 | 西安理工大学 | Electro-optical double-refraction double-cavity double-frequency Nd:YAG laser device and frequency difference tuning method |
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Application publication date: 20190507 |