CN101267085A - A micro loop laser resonance cavity - Google Patents
A micro loop laser resonance cavity Download PDFInfo
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- CN101267085A CN101267085A CNA2008100709046A CN200810070904A CN101267085A CN 101267085 A CN101267085 A CN 101267085A CN A2008100709046 A CNA2008100709046 A CN A2008100709046A CN 200810070904 A CN200810070904 A CN 200810070904A CN 101267085 A CN101267085 A CN 101267085A
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- light path
- annular light
- resonance cavity
- laser
- polygonal cylinder
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Abstract
The present invention provides a micro ring laser resonator, using multilateral cylinder as a base, the sides of the multilateral cylinder are relatively fixed with two or more mirror, forming a ring optical path type optical path, the optical device in the laser chamber of the ring optical path is fixed on the multilateral cylinder, each device in the ring laser resonator is fixed by optical cement, intensifying optical cement and scuffing to form a microchip, the manufacturing process is lower requirement, having lower cost, the structure is simple, and the whole ring chamber laser having high stability is formed, the scale production is easy to achieve. The micro ring laser resonator is used for single longitudinal mode laser output which is output by the single direction ring chamber realizing functions of fundamental wave, frequency doubled laser, turning optical.
Description
Technical field
The present invention relates to laser field, relate in particular to a kind of gain medium that comprises, wave plate, a series of optical elements such as Faraday magneto-optical revolving fragment, frequency-doubling crystal, polarization polarizer etalon, birefringence filter plate are realized the micro loop laser resonance cavity that the single longitudinal mode laser of the unidirectional loop chamber output of functions such as first-harmonic, frequency doubled light, tunable optical is exported.
Background technology
Laserresonator goes in ring, the loop laser resonance cavity of especially unidirectional output is a kind of efficient laser cavity resonator structure of realizing the output of laser single longitudinal mode, common ring resonator has two or two usually with upper reflector, especially adopt four speculum light path annular chambers, its light path is regulated very difficult, complicated in mechanical structure can only be applied to experimental situation as scientific research apparatus usually simultaneously, is difficult to popularization and application.On the other hand, U.S. Patent number is USP4, and 578,793 design the monoblock and non-planar annular cavity laser.Though and simple, its optics processing is very difficult owing to single monoblockization for whole laser cavity, also difficult realization mass production, and also it can only export fundamental wave usually.
Summary of the invention
The invention provides a kind of structure, manufacture craft is simple, the microplate loop laser resonance cavity that cost is low.
The present invention is achieved through the following technical solutions: as base, correspondence is fixed two with upper reflector to loop laser resonance cavity on the limit of polygonal cylinder by polygonal cylinder, the looping light path, and optics is fixed on the polygonal cylinder in the laser cavity on annular light path.
Above-mentioned annular light path is the cast light path or the light path of intersecting, and the cast light path is square, polygon or triangle.
When above-mentioned speculum formed annular light path, the speculum of two adjacent formation angles adopted the prism that angle is identical.
The cross sectional shape of above-mentioned polygonal cylinder is square, rhombus, triangle, polygon, and polygonal cylinder is monolithic entity or two above glue bond bodies.
Above-mentioned polygonal cylinder is prism, glass, semiconductor, pottery, metal material.
Above-mentioned speculum is average chamber mirror, plano-convex or plano-concave lens.
Optics comprises gain medium, wave plate, Faraday magneto-optical revolving fragment, frequency-doubling crystal, the polarization polarizer, etalon, wavelength-selective optical element or birefringence filter plate in the above-mentioned laser cavity, but and the device that can realize first-harmonic, the humorous function of frequency doubled light harmonic.
The present invention adopts above technical scheme, can pass through each device in optical cement, in-depth optical cement or the gummed stationary annular laserresonator, forms microchip; manufacture craft requires low; cost is low, and the high stability integration annular cavity laser that but can form simple in structure is easy to accomplish scale production.Can be applicable to realize first-harmonic, frequency doubled light, the single longitudinal mode laser output of the unidirectional loop chamber output of functions such as tunable optical.
Description of drawings
Now in conjunction with the accompanying drawings the present invention is further elaborated:
Fig. 1 is the structural representation of one of loop laser resonance cavity of the present invention in laser;
Fig. 2 is that schematic diagram is shown in fixing the cuing open of one of loop laser resonance cavity of the present invention speculum;
Fig. 3 is two a structural representation of loop laser resonance cavity of the present invention;
Fig. 4 is three a structural representation of loop laser resonance cavity of the present invention;
Fig. 5 is four structural representations in laser of loop laser resonance cavity of the present invention;
Fig. 6 is five structural representations in laser of loop laser resonance cavity of the present invention.
Embodiment
See also shown in Fig. 1 or 2, laser comprises semiconductor pumped light source 1, pump light optical coupling system 2 and loop laser resonance cavity of the present invention 3.Loop laser resonance cavity 3 by polygonal cylinder 31 as base, polygonal cylinder 31 is a prism, glass, semiconductor, pottery, materials such as metal, polygonal cylinder 31 is a cuboid, correspondence is fixed four speculums 321 on its four limits, 322,323,324, four speculums 321,322,323,324 can be fixed on polygonal cylinder 31 1 ends top, also can be fixed on polygonal cylinder 31 and establish through hole or groove corresponding position, adopt optical cement or in-depth optical cement mode to bond fixing, to form annular light path type light path, the annular light path here is square cast annular light path, speculum 321,322,323,324 is average chamber mirror, plano-convex or plano-concave lens; On light path annular light path in the fixed laser chamber optics on polygonal cylinder 31.So form single microchip loop laser resonance cavity 3, loop laser resonance cavity 3 satisfies the ring resonator condition of resonance automatically simultaneously.Above-mentioned optics can comprise gain medium 33, wave plate 36, Faraday magneto-optical revolving fragment 35, the polarization polarizer 34, frequency-doubling crystal, etalon, wavelength-selective optical element or birefringence filter plate etc., but and the device that can realize first-harmonic, the humorous function of frequency doubled light harmonic.Laser cavity annular light path medium wave sheet 36 shown in Figure 1, Faraday magneto-optical revolving fragment 35, the polarization polarizer 34 looping laser isolators realize that the annular chamber folk prescription is to output.
See also shown in Figure 3, polygonal cylinder 31 in the loop laser resonance cavity 3 of the present invention is the rhombus cylinder, adopt optical cement or in-depth optical cement mode to bond on its four limits and fix four speculums 321,322,323,424, form the annular light path type light path of intersection, on light path annular light path in the fixed laser chamber optics on polygonal cylinder 31, in the annular light path of intersection, optics can be fixed on the annular light path of not intersecting, laser cavity annular light path medium wave sheet 36 as shown in Figure 3, Faraday magneto-optical revolving fragment 35, the polarization polarizer 34 looping laser isolators.
See also shown in Figure 4, polygonal cylinder 31 in the loop laser resonance cavity 3 of the present invention is a triangle cylinder, adopt optical cement or in-depth optical cement mode to bond on its three limits and fix three speculums 321,322,323, form cast annular light path type light path, on light path annular light path in the fixed laser chamber optics on polygonal cylinder 31.
See also shown in Figure 5 again, polygonal cylinder 31 in the loop laser resonance cavity 3 of the present invention is two triangle cylinder glue bond bodies, adopt optical cement or in-depth optical cement mode to bond on its corresponding sides and fix four speculums 321,322,323,424, form the annular light path type light path of intersection, on light path annular light path in the fixed laser chamber optics on polygonal cylinder 31, in the annular light path of intersection, optics can be fixed on the annular light path of not intersecting.
See also shown in Figure 6 again, polygonal cylinder 31 in the loop laser resonance cavity 3 of the present invention is the polygon cylinder, adopt optical cement or in-depth optical cement mode to bond on two adjacent edge and fix two speculums 321,322, can adopt prism 37 replacements that angle is identical with two speculums, 321, the 322 corresponding speculums that form two adjacent formation angles of annular light path type light path, prism 37 is fixed on the corresponding sides of polygonal cylinder 31, on light path annular light path in the fixed laser chamber optics on polygonal cylinder 31.
Claims (7)
1, a kind of micro loop laser resonance cavity is characterized in that: as base, correspondence is fixed two with upper reflector on the limit of polygonal cylinder by polygonal cylinder for it, and to form annular light path, optics is fixed on the polygonal cylinder in the laser cavity on annular light path.
2, a kind of microplate loop laser resonance cavity according to claim 1 is characterized in that: its annular light path is the cast annular light path or the annular light path of intersecting, and cast annular light path is square, polygon or triangle.
3, a kind of microplate loop laser resonance cavity according to claim 1 and 2 is characterized in that: when speculum formed annular light path, the speculum of two adjacent formation angles adopted the prism that angle is identical.
4, a kind of microplate loop laser resonance cavity according to claim 1 is characterized in that: the cross sectional shape of its polygonal cylinder is square, rhombus, triangle, polygon, and polygonal cylinder is monolithic entity or two above glue bond bodies.
5, according to claim 1 or 4 described a kind of microplate loop laser resonance cavities, it is characterized in that: its polygonal cylinder is prism, glass, semiconductor, pottery, metal material.
6, a kind of microplate loop laser resonance cavity according to claim 1 is characterized in that: its speculum is average chamber mirror, plano-convex or plano-concave lens.
7, a kind of microplate loop laser resonance cavity according to claim 1, it is characterized in that: optics comprises gain medium, wave plate, Faraday magneto-optical revolving fragment, frequency-doubling crystal, the polarization polarizer, etalon, wavelength-selective optical element or birefringence filter plate in its laser cavity, but and the device that can realize first-harmonic, the humorous function of frequency doubled light harmonic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100709046A CN101267085A (en) | 2008-04-16 | 2008-04-16 | A micro loop laser resonance cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100709046A CN101267085A (en) | 2008-04-16 | 2008-04-16 | A micro loop laser resonance cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101267085A true CN101267085A (en) | 2008-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100709046A Pending CN101267085A (en) | 2008-04-16 | 2008-04-16 | A micro loop laser resonance cavity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201647A (en) * | 2011-04-14 | 2011-09-28 | 电子科技大学 | Semiconductor micro-ring laser with vane type resonator structure |
| CN102545043A (en) * | 2012-01-06 | 2012-07-04 | 浙江大学 | Semiconductor laser for selecting mold by using total internal reflection polygonal resonant cavity |
-
2008
- 2008-04-16 CN CNA2008100709046A patent/CN101267085A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201647A (en) * | 2011-04-14 | 2011-09-28 | 电子科技大学 | Semiconductor micro-ring laser with vane type resonator structure |
| CN102201647B (en) * | 2011-04-14 | 2013-06-12 | 电子科技大学 | Semiconductor micro-ring laser with vane type resonator structure |
| CN102545043A (en) * | 2012-01-06 | 2012-07-04 | 浙江大学 | Semiconductor laser for selecting mold by using total internal reflection polygonal resonant cavity |
| CN102545043B (en) * | 2012-01-06 | 2013-03-13 | 浙江大学 | Semiconductor laser for selecting mold by using total internal reflection polygonal resonant cavity |
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Open date: 20080917 |