CN105790057B - A kind of etalon type tunable laser - Google Patents
A kind of etalon type tunable laser Download PDFInfo
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- CN105790057B CN105790057B CN201410823758.5A CN201410823758A CN105790057B CN 105790057 B CN105790057 B CN 105790057B CN 201410823758 A CN201410823758 A CN 201410823758A CN 105790057 B CN105790057 B CN 105790057B
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- reflecting mirror
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- cylinder
- etalon
- column
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Abstract
The invention discloses a kind of etalon type tunable laser, it is characterized by comprising the laser chip set gradually along optical path, collimation lens, air gap etalon, output cavity mirrors, the air gap etalon is made of first part's reflecting mirror, second part reflecting mirror, first part's reflecting mirror, second part reflecting mirror, output cavity mirror are all supported on column, the laser chip end face and output cavity mirror forms laser resonator, and the column of first part's reflecting mirror is equipped with heating ring plate.The air gap etalon being made of a pair of of partially reflecting mirror is added in etalon type tunable laser of the present invention in laser cavity, and the thickness of air-gap is adjusted by way of temperature control, to realize to the adjustable of laser output wavelength.
Description
Technical field
The present invention relates to optic communication utilization, in particular to a kind of etalon type tunable laser.
Background technique
Tunable laser is widely used in the transponder of photoelectric communication system of the prior art.Entirely with tunable
Laser can make transponder for any wavelength in C band or L band, it is spare reduce inventory in this way, and can be realized hair
The wavelength agility of emitter node.Tunable laser is also used to by the forwarding of many 40G and all 100G (more than and)
The coherent transmitting that device uses.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide the thickness that one kind can adjust air-gap by way of temperature control
Degree, to realize the adjustable etalon type tunable laser to laser output wavelength.
In order to achieve the above objectives, technical solution proposed by the invention are as follows: a kind of etalon type tunable laser, it is special
Sign is: including the laser chip, collimation lens, air gap etalon, output cavity mirror set gradually along optical path, the air
Gap etalon is made of first part's reflecting mirror, second part reflecting mirror, first part's reflecting mirror, second part reflection
Mirror, output cavity mirror are all supported on column, and the laser chip end face and output cavity mirror form laser resonator, and described the
The column of a part of reflecting mirror is equipped with heating ring plate.
Preferably, first part's reflecting mirror, second part reflecting mirror, output cavity mirror two sides be all supported in column
On, the first cylinder, the second cylinder, the 3rd cylinder are formed, described the first cylinder, the second cylinder, the 3rd cylinder are concentric, and first
Cylinder two sides are designed with heating ring.
Preferably, described the first cylinder, the second cylinder optical cement are on substrate.
Preferably, first part's reflecting mirror, second part reflecting mirror, output cavity mirror side be all supported in column
On.
Preferably, described the first cylinder uses crystal expansion pipe, and described the second cylinder uses zero expansion glass pipe.
By adopting the above technical scheme, etalon type tunable laser of the present invention is added in laser cavity by one
To the air gap etalon that partially reflecting mirror is constituted, and the thickness of air-gap is adjusted by way of temperature control, to realize to swashing
Light device output wavelength it is adjustable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of etalon type tunable laser of the present invention；
Fig. 2 is the embodiment 1 of etalon type air gap etalon of the present invention；
Fig. 3 is the embodiment 2 of etalon type air gap etalon of the present invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention will be further described.
As shown in Figure 1, etalon type tunable laser of the present invention, including the laser core set gradually along optical path
Piece 10, collimation lens 20, air gap etalon 30, output cavity mirror 40, the air gap etalon is by first part's reflecting mirror
301, second part reflecting mirror 302 is constituted, first part's reflecting mirror 301, second part reflecting mirror 302, output cavity mirror
303 both ends are all supported on column 60, form concentric the first cylinder, the second cylinder, the 3rd cylinder, 10 end face of laser chip with
Output cavity mirror in the 3rd cylinder constitutes laser resonator, wherein attachment heating ring 50 on the column of first part's reflecting mirror 301.
Therefore, the thickness of air-gap can be adjusted by way of temperature control, to realize to the adjustable of laser output wavelength.
As shown in Fig. 2, an implementation example as air gap etalon, the first cylinder, the second cylinder optical cement are same
On a substrate, the other end respectively bonds a piece of partially reflecting mirror (i.e. first part's reflecting mirror 301, second part reflecting mirror 302), this
A pair of of reflecting mirror constitutes the air gap etalon.The height of two support tubes differs about 20 μm, therefore, the etalon from
It is about 60nm by spectral region, to guarantee to select single longitudinal mode in laser optical spectral limit, furthermore it is swollen to use crystal for outer layer cylinder
Tube expansion, and it is accompanied by heating ring plate；Internal layer cylinder uses zero expansion glass pipe.
As shown in figure 3, another as air gap etalon implements example, two hysteroscopes of etalon (i.e. first
Divide reflecting mirror 301, second part reflecting mirror 302) it is not bonded on concentric drums, but by a column as supporter.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, in the form and details to this hair
It is bright to make a variety of changes, it is protection scope of the present invention.
Claims (4)
1. a kind of etalon type tunable laser, it is characterised in that: laser chip, collimation including setting gradually along optical path are saturating
Mirror, air gap etalon, output cavity mirror, the air gap etalon is by first part's reflecting mirror, second part reflecting mirror structure
At first part's reflecting mirror, second part reflecting mirror, output cavity mirror are all supported on column, the laser chip
End face and output cavity mirror form laser resonator, and the column of first part's reflecting mirror is equipped with heating ring plate；Described
The column of a part of reflecting mirror uses crystal expansion pipe, and the column of second part reflecting mirror uses zero expansion glass pipe.
2. a kind of etalon type tunable laser according to claim 1, it is characterised in that: the first part is anti-
Penetrate mirror, second part reflecting mirror, output cavity mirror two sides be all supported on column, formed the first cylinder, the second cylinder, third circle
Cylinder, described the first cylinder, the second cylinder, the 3rd cylinder are concentric, and the first cylinder two sides are designed with heating ring.
3. a kind of etalon type tunable laser according to claim 2, it is characterised in that: described the first cylinder,
The second cylinder optical cement is on substrate.
4. a kind of etalon type tunable laser according to claim 1, it is characterised in that: the first part is anti-
Penetrate mirror, second part reflecting mirror, output cavity mirror side be all supported on column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823758.5A CN105790057B (en) | 2014-12-26 | 2014-12-26 | A kind of etalon type tunable laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823758.5A CN105790057B (en) | 2014-12-26 | 2014-12-26 | A kind of etalon type tunable laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105790057A CN105790057A (en) | 2016-07-20 |
| CN105790057B true CN105790057B (en) | 2019-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823758.5A Active CN105790057B (en) | 2014-12-26 | 2014-12-26 | A kind of etalon type tunable laser |
Country Status (1)
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244820A (en) * | 2018-09-25 | 2019-01-18 | 南京先进激光技术研究院 | A kind of temperature control optical resonator automatic freqauency stabilization method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606182B2 (en) * | 2001-11-16 | 2003-08-12 | Oplink Communications, Inc. | Tuning and temperature compensation of the air-gap etalon for dense wavelength-division multiplexing application |
| US6829053B1 (en) * | 2000-01-26 | 2004-12-07 | Fujitsu Limited | Airgap type etalon and apparatus utilizing the same |
| CN103091757A (en) * | 2011-10-27 | 2013-05-08 | 福州高意光学有限公司 | Air gap etalon and manufacture method thereof |
| CN103116217A (en) * | 2013-03-18 | 2013-05-22 | 上海浦芮斯光电科技有限公司 | Wide-range wavelength-tunable etalon |
| CN103676134A (en) * | 2012-08-31 | 2014-03-26 | 福州高意通讯有限公司 | Double-cavity etalon |
| CN103907248A (en) * | 2011-05-17 | 2014-07-02 | 红移系统有限公司 | Thermo-optically tunable laser system |
-
2014
- 2014-12-26 CN CN201410823758.5A patent/CN105790057B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6829053B1 (en) * | 2000-01-26 | 2004-12-07 | Fujitsu Limited | Airgap type etalon and apparatus utilizing the same |
| US6606182B2 (en) * | 2001-11-16 | 2003-08-12 | Oplink Communications, Inc. | Tuning and temperature compensation of the air-gap etalon for dense wavelength-division multiplexing application |
| CN103907248A (en) * | 2011-05-17 | 2014-07-02 | 红移系统有限公司 | Thermo-optically tunable laser system |
| CN103091757A (en) * | 2011-10-27 | 2013-05-08 | 福州高意光学有限公司 | Air gap etalon and manufacture method thereof |
| CN103676134A (en) * | 2012-08-31 | 2014-03-26 | 福州高意通讯有限公司 | Double-cavity etalon |
| CN103116217A (en) * | 2013-03-18 | 2013-05-22 | 上海浦芮斯光电科技有限公司 | Wide-range wavelength-tunable etalon |
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| Publication number | Publication date |
|---|---|
| CN105790057A (en) | 2016-07-20 |
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