CN212083833U - Laser device for laser illumination and illumination equipment - Google Patents
Laser device for laser illumination and illumination equipment Download PDFInfo
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- CN212083833U CN212083833U CN202021032666.2U CN202021032666U CN212083833U CN 212083833 U CN212083833 U CN 212083833U CN 202021032666 U CN202021032666 U CN 202021032666U CN 212083833 U CN212083833 U CN 212083833U
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Abstract
The application discloses laser instrument and lighting apparatus for laser illumination includes: a semiconductor laser for emitting a laser beam; the input end of the optical fiber is connected with the semiconductor laser and is used for homogenizing and transmitting the coupled laser beam; and the input end of the waveguide is connected with the output end of the optical fiber and is used for changing the circular light spots output by the optical fiber into square light spots. The utility model discloses carry out dodging and transmission in getting into optic fibre after the light beam coupling that well semiconductor laser sent, go out the fine back shine on the waveguide, wherein the size of waveguide can design wantonly, the facula behind the waveguide becomes square facula by circular facula, adjustment waveguide size can obtain the horizontal and vertical visual field proportion of arbitrary proportion, and the facula distributes evenly simultaneously, consequently the laser instrument for laser illumination that this application provided can realize the arbitrary proportion of horizontal visual field and vertical visual field.
Description
Technical Field
The utility model relates to a night vision illumination field especially relates to a laser instrument and lighting apparatus for laser illumination.
Background
In the field of night vision illumination, because the natural illuminance at night is not strong, infrared laser is generally adopted to provide certain illuminance for an infrared camera system, so that a clear image can be captured in a dark field environment.
At present, a semiconductor laser infrared light source is widely applied to the field of illumination and provides a light source for an infrared night vision system, but because a light beam of a semiconductor laser is an elliptical Gaussian light beam, the quality difference of the light beam in the fast and slow axis directions is large, light spots are uneven, and the light beam is difficult to be directly applied to the field of illumination, the light beam is generally coupled into an energy transmission optical fiber and homogenized by the optical fiber, and then the light beam is applied to the field of illumination. The laser output by the optical fiber is a circular light spot, the ratio of the transverse view field to the longitudinal view field is 1:1, and the irradiation angles of the light spots are constant and the same. However, under certain conditions where a square homogenized spot of field of view, e.g., 4:1, 16:9, is desired, or where a certain illumination angle is defined, the solution of homogenizing light through the fiber is limited.
Therefore, how to design a novel illumination laser for realizing any proportion of the transverse view field and the longitudinal view field is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a laser for laser illumination and an illumination device, which can realize any ratio of the horizontal view field and the vertical view field. The specific scheme is as follows:
a laser for laser illumination, comprising:
a semiconductor laser for emitting a laser beam;
the input end of the optical fiber is connected with the semiconductor laser and is used for homogenizing and transmitting the coupled laser beam;
and the input end of the waveguide is connected with the output end of the optical fiber and is used for changing the circular light spots output by the optical fiber into square light spots.
Preferably, in the laser for laser illumination provided in an embodiment of the present invention, further include:
and the collimating lens is positioned on one side of the output end of the waveguide and used for adjusting the irradiation angle of the square light spot.
Preferably, in the laser for laser illumination provided by the embodiment of the present invention, the waveguide is also used for light uniformization.
Preferably, in the laser for laser illumination provided by an embodiment of the present invention, the waveguide is a rectangular parallelepiped.
The embodiment of the utility model provides a still provide a lighting apparatus, include the embodiment of the utility model provides an above-mentioned laser instrument for laser illumination.
Preferably, in the above lighting device provided by the embodiment of the present invention, the lighting device is an infrared night vision lighting device.
According to the above technical scheme, the utility model provides a laser instrument and lighting apparatus for laser illumination, include: a semiconductor laser for emitting a laser beam; the input end of the optical fiber is connected with the semiconductor laser and is used for homogenizing and transmitting the coupled laser beam; and the input end of the waveguide is connected with the output end of the optical fiber and is used for changing the circular light spots output by the optical fiber into square light spots.
The utility model discloses in get into the optic fibre after the light beam coupling that semiconductor laser sent carry out even light and transmission, go out the optical fiber after shine the waveguide, wherein the size of waveguide can design wantonly, the facula behind the waveguide is become square facula by circular facula, adjustment waveguide size can obtain the horizontal and vertical visual field proportion of arbitrary proportion, the facula distributes evenly simultaneously, consequently the utility model provides a laser for laser illumination can realize the arbitrary proportion of horizontal visual field and vertical visual field; additionally, the utility model provides a certain illumination on a large scale still can be realized to lighting apparatus, has overcome current lighting apparatus can only shine the shortcoming of minizone, perhaps shines the scope unmatched with the object size.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a laser for laser illumination according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a laser instrument for laser illumination, as shown in figure 1, include:
a semiconductor laser 1 for emitting a laser beam;
the input end of the optical fiber 2 is connected with the semiconductor laser 1 and is used for homogenizing and transmitting the coupled laser beam;
and the input end of the waveguide 3 is connected with the output end of the optical fiber 2 and is used for changing the circular light spot output by the optical fiber 2 into a square light spot.
The embodiment of the utility model provides an among the above-mentioned laser instrument for laser illumination, the light beam coupling back that semiconductor laser sent gets into and carries out even light and transmission in the optic fibre, goes out the fine back and shines on the waveguide, wherein the size of waveguide can design wantonly, and the facula after through the waveguide becomes square facula by circular facula, and adjustment waveguide size can obtain the horizontal and vertical visual field proportion of arbitrary proportion, and facula distribution is even simultaneously, consequently the utility model provides an arbitrary proportion of horizontal visual field and vertical visual field can be realized to the laser instrument for laser illumination.
In specific implementation, the laser for laser illumination provided in the embodiment of the present invention, as shown in fig. 1, may further include:
and the collimating lens 4 is positioned on one side of the output end of the waveguide and used for adjusting the irradiation angle of the square light spot.
Specifically, square facula behind the waveguide passes through collimating lens 4, can realize the facula irradiation angle of design, the adjustment through collimating lens 4 promptly, the utility model provides a laser instrument for laser illumination can realize arbitrary irradiation angle.
In the embodiment of the present invention, the waveguide 3 may be further used for light uniformizing. Because the light propagation principle of the waveguide is total reflection like the optical fiber, the waveguide can also play a role in light uniformization for the light beam, and further the light spot distribution is more uniform.
When the implementation of the laser device is implemented, the embodiment of the utility model provides an among the above-mentioned laser for laser illumination, the shape of waveguide can set up to the cuboid, and length-width height ratio can design wantonly, and then guarantees to realize the arbitrary proportion of horizontal visual field and vertical visual field.
The embodiment of the utility model provides a still provide a lighting apparatus, include the embodiment of the utility model provides an above-mentioned laser instrument for laser illumination. The lighting device may further include other components such as a control system, an auxiliary system controlled by the control system, and the like, which are not described herein in detail.
It should be noted that, the illumination device integrated with the laser device for laser illumination provided by the embodiment of the present invention, such as an infrared night vision illuminator, can illuminate a specific large-sized object at night, such as an automobile, an airplane, a ship, etc., and the size range can be several meters to several tens of meters.
The embodiment of the utility model provides an among the above-mentioned lighting apparatus that provides, can realize certain illumination on a large scale through the arbitrary proportion and the angle of illumination that realize horizontal visual field and vertical visual field, overcome current lighting apparatus can only shine the shortcoming of minizone, perhaps shine the scope unmatched with the object size.
To sum up, the embodiment of the utility model provides a pair of laser instrument and lighting apparatus for laser illumination, include: a semiconductor laser for emitting a laser beam; the input end of the optical fiber is connected with the semiconductor laser and is used for homogenizing and transmitting the coupled laser beam; and the input end of the waveguide is connected with the output end of the optical fiber and is used for changing the circular light spots output by the optical fiber into square light spots. The utility model discloses in get into the optic fibre after the light beam coupling that semiconductor laser sent carry out even light and transmission, go out the optical fiber after shine the waveguide, wherein the size of waveguide can design wantonly, the facula behind the waveguide is become square facula by circular facula, adjustment waveguide size can obtain the horizontal and vertical visual field proportion of arbitrary proportion, the facula distributes evenly simultaneously, consequently the utility model provides a laser for laser illumination can realize the arbitrary proportion of horizontal visual field and vertical visual field; additionally, the utility model provides a certain illumination on a large scale still can be realized to lighting apparatus, has overcome current lighting apparatus can only shine the shortcoming of minizone, perhaps shines the scope unmatched with the object size.
Finally, it should also be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The laser and the lighting device for laser lighting provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the explanation of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. A laser for laser illumination, comprising:
a semiconductor laser for emitting a laser beam;
the input end of the optical fiber is connected with the semiconductor laser and is used for homogenizing and transmitting the coupled laser beam;
and the input end of the waveguide is connected with the output end of the optical fiber and is used for changing the circular light spots output by the optical fiber into square light spots.
2. The laser for laser illumination according to claim 1, further comprising:
and the collimating lens is positioned on one side of the output end of the waveguide and used for adjusting the irradiation angle of the square light spot.
3. The laser for laser illumination according to claim 2, wherein the waveguide is used for light uniformization.
4. The laser for laser illumination according to claim 3, wherein the waveguide is a rectangular parallelepiped.
5. An illumination device characterized by comprising the laser for laser illumination according to any one of claims 1 to 4.
6. The illumination device as recited in claim 5 wherein the illumination device is an infrared night vision illuminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032666.2U CN212083833U (en) | 2020-06-08 | 2020-06-08 | Laser device for laser illumination and illumination equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032666.2U CN212083833U (en) | 2020-06-08 | 2020-06-08 | Laser device for laser illumination and illumination equipment |
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| CN212083833U true CN212083833U (en) | 2020-12-04 |
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| CN202021032666.2U Active CN212083833U (en) | 2020-06-08 | 2020-06-08 | Laser device for laser illumination and illumination equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114679A (en) * | 2021-11-26 | 2022-03-01 | 中山大学 | Depth-control directional illumination display system and method |
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2020
- 2020-06-08 CN CN202021032666.2U patent/CN212083833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114679A (en) * | 2021-11-26 | 2022-03-01 | 中山大学 | Depth-control directional illumination display system and method |
| CN114114679B (en) * | 2021-11-26 | 2024-04-05 | 中山大学 | Depth-control directional illumination display system and method |
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