CN205901064U - Optional laser lamp -house of dual wavelength - Google Patents
Optional laser lamp -house of dual wavelength Download PDFInfo
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- CN205901064U CN205901064U CN201620744652.0U CN201620744652U CN205901064U CN 205901064 U CN205901064 U CN 205901064U CN 201620744652 U CN201620744652 U CN 201620744652U CN 205901064 U CN205901064 U CN 205901064U
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- laser
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- laser crystal
- light source
- beam splitting
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Abstract
The utility model discloses an optional laser lamp -house of dual wavelength, including the laser lamp -house body, the pumping source has set gradually in the light path of laser lamp -house body, the lens that is all -trans, laser crystal, polarization beam splitting cube and output lens, lens and the output of being all -trans has constituted the vibration chamber of laser between the lens, and the light path is 90 jiaos through the beam splitting Prism reflection of polarization beam splitting cube, and laser crystal is through machinery or electronic mode to use the light path to be tetragonal system or orthorhombic system as the rotation of axes, laser crystal, laser crystal leads to the crystallographic axis orientation that the light orientation is non - optical axis, and the strongest line wavelength of fluorescence spectra that two crystallographic axis in its the perpendicular light way orientation correspond is different, the lens that is all -trans has plated first deielectric -coating, the second deielectric -coating has been plated on the output lens, laser crystal two leads to the light terminal surface and plates the anti -reflection reflection reducing coating of laser wavelength that couple laser crystal produced. Above -mentioned technical scheme, structural design is reasonable, compact structure, with low costs, the system stable and convenient operation.
Description
Technical field
This utility model is related to field of photoelectric technology and in particular to a kind of optional LASER Light Source of dual wavelength.
Background technology
The optional laser of wavelength has important application in laser communication, air and environmental monitoring.Such as in laser communication
The optical maser wavelength of Shi Butong represents different information, the judgement to wavelength for the recipient, can obtain different information；In air and environment
In monitoring application, the absorbing wavelength of gas with various composition is different, can adopt the laser of multiple wavelength that gas with various composition is entered
Row monitoring.
Under normal conditions, the laser of specific wavelength can only be exported by rear-earth-doped solid state laser.Many for realizing
The optional LASER Light Source of wavelength, it usually needs the integrated equipment of multi-station laser, needs to control in the laser process of conversion different wave length
The switch of various lasers processed is realizing.Or, by sharing a laser crystal, realize different ripples using different resonator cavitys
Long laser output.
By the wavelength optional laser structure dispersion realized with upper type, cost is of a relatively high, and system is unstable, operation
Inconvenient.
Content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structure
Compact, low cost, system stability and the optional LASER Light Source of easy to operate dual wavelength.
For achieving the above object, this utility model provides a kind of following technical scheme: inclusion LASER Light Source body, described
It is disposed with pumping source, full-reverse lens, laser crystal, polarization beam splitting cube and outgoing mirror in the light path of LASER Light Source body
Piece, constitutes the vibration chamber of laser between described full-reverse lens and output optic acts, light path passes through the light splitting rib of polarization beam splitting cube
Mirror reflection is in 90 ° of angles, and laser crystal passes through mechanically or electrically flowing mode, and is rotated with light path for axle, and laser crystal is tetragonal crystal system
Or rhombic system, laser crystal optical direction is a crystalline axis direction of non-optical axis, and two, its vertical optical path direction crystallographic axis corresponds to
Fluorescence spectrum the strongest line wavelength different；Described full-reverse lens are coated with first medium film, and described output optic acts is coated with second Jie
Plasma membrane, described laser crystal two thang-kng end face is coated with the anti-reflection anti-reflection film of the optical maser wavelength that laser crystal is produced, sharp to reduce
The reflection loss to vibration endovenous laser for the luminescent crystal end face.
By adopting technique scheme, ingenious utilization polarization beam splitting cube, by rotary laser crystal, force to realize partially
Shake the laser generation of direction parallel difference crystallographic axis, the output realizing different optical maser wavelengths is so that the selection of output wavelength is cleverer
Live, reasonable in design, compact conformation, required optical element is less, can substantially reduce cost, and system stability is relatively
Good, it is more convenient for operating.
This utility model is further arranged to: described polarization beam splitting cube reflects s polarization by electrolyte beam splitting coating
Component is it is allowed to p-polarization component passes through, thus separating s and p-polarization light component.By this setting, structure is more reasonable, and work is more
Plus it is reliable.
This utility model is further arranged to: described pumping source is 808 nanometers of semiconductor laser.By originally setting
Put, rationally, work is relatively reliable for pumping source setting.
This utility model is further arranged to: the first medium film of described full-reverse lens plating swashs to laser crystal generation
Optical wavelength reflects, and pump light is passed through simultaneously.By this setting, structure setting is more reasonable, and work is more stable.
This utility model is further arranged to: the second medium film of described output optic acts plating swashs to laser crystal generation
Optical wavelength part passes through.By this setting, the setting of second medium membrane structure is more reasonable, working stability.
This utility model is further arranged to: described laser crystal is the nd:yvo of tetragonal crystal system4Or nd:cayalo4Brilliant
Body, or the nd:yalo for rhombic system3Crystal.By this setting, structure is simple, reliable operation.
The utility model has the advantages that: compared with prior art, this utility model structure setting is more reasonable, ingenious utilization
Polarization beam splitting cube, by rotary laser crystal, forces to realize the laser generation of polarization direction parallel difference crystallographic axis, realizes different
The output of optical maser wavelength so that the selection of output wavelength is more flexible, reasonable in design, compact conformation, required optical element
Less, cost can be substantially reduced, and system stability is preferably, be more convenient for operating.
With reference to Figure of description and specific embodiment, the utility model is described in further detail.
Brief description
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the dichroism schematic diagram of embodiment of the present invention polarization beam splitting cube；
Fig. 3 is embodiment of the present invention optical maser wavelength schematic diagram.
Specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of optional LASER Light Source of dual wavelength disclosed in this utility model, including laser light
Source body, is disposed with pumping source 1, full-reverse lens 2, laser crystal 3, polarization beam splitting in the light path of described LASER Light Source body
Cubes 4 and output optic acts 5, constitute the vibration chamber of laser between described full-reverse lens 2 and output optic acts 5, light path passes through polarization
The Amici prism reflection of beam splitting cube 4 is in 90 ° of angles, and laser crystal 3 passes through mechanically or electrically flowing mode, and is rotated with light path for axle,
Laser crystal 3 is tetragonal crystal system or rhombic system, and laser crystal 3 optical direction is a crystalline axis direction of non-optical axis, and it is vertical
The strongest line wavelength of the corresponding fluorescence spectrum of two crystallographic axis of optical path direction is different；Described full-reverse lens 2 are coated with first medium film, described
Second medium film is coated with output optic acts 5, described 3 liang of thang-kng end faces of laser crystal are coated with the optical maser wavelength that laser crystal is produced
Anti-reflection anti-reflection film, to reduce the reflection loss to vibration endovenous laser for the laser crystal end face；Described polarization beam splitting cube 4 leads to
Cross electrolyte beam splitting coating to reflect s polarized component it is allowed to p-polarization component passes through, thus separating s and p-polarization light component.
As preferred, described pumping source 1, full-reverse lens 2, laser crystal 3, polarization beam splitting cube 4 and 5 points of output optic acts
Existing support or connector Tong Guo not connect, between each part, leave gap, the present embodiment pumping source 1, full-reverse lens 2, swash
Luminescent crystal 3, polarization beam splitting cube 4 and output optic acts 5 are arranged successively from left to right.This technical scheme is those skilled in the art institute
Known to, the present embodiment is just no longer described.
Described pumping source 1 is 808 nanometers of semiconductor laser.
The optical maser wavelength high reflection that the first medium film of described full-reverse lens 2 plating produces to laser crystal, simultaneously to pumping
Light is high thoroughly.
The optical maser wavelength part that the second medium film of described output optic acts 5 plating produces to laser crystal passes through.
3 liang of thang-kng end faces of described laser crystal are coated with to anti-reflection to the producible optical maser wavelength of laser crystal 3 anti-reflection
Membrane system, laser crystal 3 can be the nd:yvo of tetragonal crystal system4Or nd:cayalo4Deng laser crystal, or the nd for rhombic system:
yalo3Crystal.As preferred, laser crystal 3 is rotated by existing Motor drive.
Dual wavelength optional LASER Light Source principle: the output laser of semiconductor laser passes through coupling and focuses on from end pumping
Laser crystal, laser will be reflected by polarization beam splitting cube, realize vibration and strengthen between full-reverse lens and output optic acts, and by
Output optic acts part exports；In order to realize different optical maser wavelength outputs, by rotary laser crystal, when the one of vertical optical path direction
When individual crystallographic axis is parallel with the s polarization of polarization beam splitting cube, LASER Light Source body can achieve the laser output of a specific wavelength.When
After laser crystal is rotated 90 ° with light path for axle, another crystallographic axis of laser crystal is parallel with the s polarization of polarization beam splitting cube
When, LASER Light Source body can achieve the laser output of another specific wavelength.The concrete wavelength of its output has the spy of laser crystal
Property determine, corresponding two output wavelengths of the laser crystal that this utility model is selected are different.
The following detailed description of:
Referring to Fig. 1 and Fig. 3, the light path according to Fig. 1 makes a stylobate in nd:yvo4Crystal is as the dual wavelength of laser crystal
Optional lasing light emitter, the optional laser output of achievable 1064nm and 1066nm.Fig. 3 is to think nd:yvo4Laser crystal, passes through
Two optical maser wavelengths that rotating crystal obtains.
It is disposed with pumping source, full-reverse lens, optical direction along crystallographic axis a to cutting in the light path of LASER Light Source body
nd:yvo4Crystal, polarization beam splitting cube and output optic acts, wherein constitute 1.06 microns between full-reverse lens and output optic acts
The vibration chamber of laser, light path is in 90 ° of angles by polarization splitting prism reflection, and laser crystal by mechanically or electrically moving with light path can be
Axle rotates.nd:yvo4Crystal belongs to tetragonal crystal system, and its optical axis direction corresponds to crystallographic axis c-axis direction, and optical direction is along crystallographic axis a axle side
Nd:yvo to cutting4Crystal use can meet the crystalline axis direction that optical direction is non-optical axis, its vertical optical path direction two
Individual crystallographic axis c-axis and the strongest line wavelength of the corresponding fluorescence spectrum of b axle are respectively 1064nm and 1066nm wavelength.
Described pumping source is 808 nanometers of semiconductor laser.
The deielectric-coating of described full-reverse lens plating is to 1064nm and 1066nm laser high reflection, the pumping to 808 nanometers simultaneously
Light is high thoroughly.
The deielectric-coating of described output optic acts plating passes through to 1064nm and 1066nm laser part.
During realization, the output laser of the semiconductor laser of 808nm passes through coupling and focuses on from end pumping nd:yvo4
Crystal, laser will be reflected by polarization beam splitting cube, realize vibration and strengthen between full-reverse lens and output optic acts, and by exporting
Optic portion exports 1064nm or 1066nm laser.
In order to realize different optical maser wavelength outputs, by rotating nd:yvo4Crystal, when a crystallographic axis in vertical optical path direction
When c-axis are parallel with the s polarization of polarization beam splitting cube, LASER Light Source body can achieve the laser output of 1064nm wavelength.When to sharp
After luminescent crystal is rotated 90 ° with light path for axle, when another crystallographic axis b axle of laser crystal is parallel with the s polarization of polarization beam splitting cube,
LASER Light Source body can achieve the laser output of 1066nm wavelength.
When laser crystal is changed to optical direction along crystallographic axis a to the nd:cayalo of cutting4Crystal, can achieve the laser of output
Wavelength is respectively 1070nm and 1080nm.By rotating nd:cayalo4Crystal, when vertical optical path direction crystallographic axis c-axis with
When the s polarization of polarization beam splitting cube is parallel, LASER Light Source body can achieve the laser output of 1070nm wavelength.When to laser crystal
After being rotated 90 ° with light path for axle, when another crystallographic axis b axle of laser crystal is parallel with the s polarization of polarization beam splitting cube, laser light
Source body can achieve the laser output of 1080nm wavelength.
When laser crystal is changed to optical direction along crystallographic axis b to the nd:yalo of cutting3Crystal, can achieve the laser wave of output
Long respectively 1064nm and 1079nm.By rotating nd:yalo3Crystal, when crystallographic axis c-axis and the polarization in vertical optical path direction
When the s polarization of beam splitting cube is parallel, LASER Light Source body can achieve the laser output of 1064nm wavelength.When to laser crystal with light
After road rotates 90 ° for axle, when another crystallographic axis b axle of laser crystal is parallel with the s polarization of polarization beam splitting cube, LASER Light Source is originally
Body can achieve the laser output of 1079nm wavelength.
Rationally, ingenious utilization polarization beam splitting cube, by rotary laser crystal, pressure realization for this utility model structure setting
The laser generation of polarization direction parallel difference crystallographic axis, realize the output of different optical maser wavelengths so that the selection of output wavelength more
Flexibly, reasonable in design, compact conformation, required optical element is less, can substantially reduce cost, and system stability is relatively
Good, it is more convenient for operating.
Above-described embodiment, to specific descriptions of the present utility model, is served only for this utility model is further described, no
It is understood that to be restriction to this utility model protection domain, the technician of this area is according to the content pair of above-mentioned utility model
This utility model makes some nonessential improvement and adjustment each falls within protection domain of the present utility model.
Claims (6)
1. the optional LASER Light Source of a kind of dual wavelength, including LASER Light Source body, in the light path of described LASER Light Source body successively
It is provided with pumping source, full-reverse lens, laser crystal, polarization beam splitting cube and output optic acts, described full-reverse lens and output optic acts
Between constitute the vibration chamber of laser, light path is in 90 ° of angles by the Amici prism reflection of polarization beam splitting cube, and laser crystal passes through
Mechanically or electrically flowing mode, and rotated with light path for axle, laser crystal is tetragonal crystal system or rhombic system；Described full-reverse lens are coated with
First medium film, described output optic acts is coated with second medium film, and described laser crystal two thang-kng end face is coated with to laser crystal
The anti-reflection anti-reflection film of optical maser wavelength producing.
2. a kind of optional LASER Light Source of dual wavelength according to claim 1 it is characterised in that: described polarization beam splitting stands
S polarized component is reflected it is allowed to p-polarization component passes through by electrolyte beam splitting coating in side, thus separating s and p-polarization light component.
3. a kind of optional LASER Light Source of dual wavelength according to claim 1 and 2 it is characterised in that: described pumping source is
808 nanometers of semiconductor laser.
4. a kind of optional LASER Light Source of dual wavelength according to claim 3 it is characterised in that: described full-reverse lens plating
The optical maser wavelength reflection that first medium film produces to laser crystal, passes through to pump light simultaneously.
5. a kind of optional LASER Light Source of dual wavelength according to claim 4 it is characterised in that: described output optic acts plating
The optical maser wavelength part that second medium film produces to laser crystal passes through.
6. a kind of optional LASER Light Source of dual wavelength according to claim 5 it is characterised in that: described laser crystal is four
The nd:yvo of prismatic crystal system4Or nd:cayalo4Crystal, or the nd:yalo for rhombic system3Crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744652.0U CN205901064U (en) | 2016-07-13 | 2016-07-13 | Optional laser lamp -house of dual wavelength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744652.0U CN205901064U (en) | 2016-07-13 | 2016-07-13 | Optional laser lamp -house of dual wavelength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901064U true CN205901064U (en) | 2017-01-18 |
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ID=57772949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620744652.0U Expired - Fee Related CN205901064U (en) | 2016-07-13 | 2016-07-13 | Optional laser lamp -house of dual wavelength |
Country Status (1)
| Country | Link |
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| CN (1) | CN205901064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932532A (en) * | 2016-07-13 | 2016-09-07 | 温州大学 | Laser light source with double optional wavelengths and method for implementing laser light source |
| CN109950779A (en) * | 2019-04-17 | 2019-06-28 | 温州大学 | Five wavelength laser sources for the treatment of laser fundus photocoagulation |
-
2016
- 2016-07-13 CN CN201620744652.0U patent/CN205901064U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932532A (en) * | 2016-07-13 | 2016-09-07 | 温州大学 | Laser light source with double optional wavelengths and method for implementing laser light source |
| CN105932532B (en) * | 2016-07-13 | 2019-01-04 | 温州大学 | A kind of optional laser light source of dual wavelength and implementation method |
| CN109950779A (en) * | 2019-04-17 | 2019-06-28 | 温州大学 | Five wavelength laser sources for the treatment of laser fundus photocoagulation |
| CN109950779B (en) * | 2019-04-17 | 2024-05-10 | 温州大学 | Five-wavelength laser light source for laser fundus photocoagulation treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |