CN216958844U - Laser device for generating linear group - Google Patents
Laser device for generating linear group Download PDFInfo
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- CN216958844U CN216958844U CN202220843034.7U CN202220843034U CN216958844U CN 216958844 U CN216958844 U CN 216958844U CN 202220843034 U CN202220843034 U CN 202220843034U CN 216958844 U CN216958844 U CN 216958844U
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Abstract
The utility model provides a laser device for generating a word line group, which can generate at least two groups of word line beams which are not on the same horizontal plane and has low equipment cost. It comprises the following steps: a laser; the light splitting cemented mirror group comprises an incidence plane, N light splitting planes, a tail end reflection plane and a rear end emission plane, wherein N is a natural number which is more than or equal to 1, the N light splitting planes are respectively arranged in parallel at intervals, and the N light splitting planes are specifically a1 st light splitting plane, a 2 nd light splitting plane, … and an Nth light splitting plane; the tail end reflecting surface is positioned behind the transmission light beam of the Nth splitting surface and is arranged in parallel to the Nth splitting surface; and a long-strip powell prism.
Description
Technical Field
The utility model relates to the technical field of laser, in particular to a laser device for generating a word line group.
Background
The powell prism is an aspheric cylindrical mirror, the top of the powell prism is a complex two-dimensional aspheric surface curved surface, when laser passes through the complex two-dimensional aspheric surface curved surface, a large amount of spherical aberration can be generated, so that light energy is redistributed, the light energy in the central area is reduced, the light energy is enhanced to the edge area, and a uniform straight line is formed. The existing one-word line laser can only produce one-word line optical effect with specific fan angle in one direction, when several one-word line groups not at the same height are needed, one-word line laser needs to be purchased again, which makes the purchase cost of equipment high.
Disclosure of Invention
In view of the above problems, the present invention provides a laser apparatus for generating a word line group, which can generate at least two groups of word line beams not on the same horizontal plane, and has low equipment cost.
A laser apparatus for generating a word line group, comprising:
a laser;
the light splitting cemented mirror group comprises an incidence plane, N light splitting planes, a tail end reflection plane and a rear end emission plane, wherein N is a natural number which is more than or equal to 1, the N light splitting planes are respectively arranged in parallel at intervals, and the N light splitting planes are specifically a1 st light splitting plane, a 2 nd light splitting plane, … and an Nth light splitting plane; the tail end reflecting surface is positioned behind the transmission light beam of the Nth splitting surface and is arranged in parallel to the Nth splitting surface;
and a long-strip powell prism;
the emergent light beam of the laser is parallel light, the emergent light beam of the laser is arranged towards the incident surface of the beam splitting gluing mirror group and is arranged towards the 1 st splitting surface, the reflected light beam of the 1 st splitting surface is arranged towards the 2 nd splitting surface, the transmitted light beam of the 1 st splitting surface is arranged towards the corresponding emergent position of the rear end emergent surface, and the 2 nd splitting surface to the Nth splitting surface respectively receive the transmitted light beam of the previous splitting surface and arrange the respective reflected light beams towards the corresponding positions of the rear end emergent surface;
the long-strip Bawell prism is positioned behind the rear end emergent surface of the light splitting cemented mirror group, a plurality of parallel light beams emitted by the rear end emergent surface are respectively emitted into the incident curved surface of the long-strip Bawell prism, and a plurality of groups of parallel spaced word line light beams are generated on the emergent surface of the long-strip Bawell prism.
It is further characterized in that:
the light splitting cemented mirror group comprises N light splitters and a reflecting mirror;
when the value of N is 1, the emergent light beam of the laser is arranged towards a1 st splitting surface, the reflected light beam of the 1 st splitting surface is arranged towards a tail end reflecting surface, the transmitted light beam of the 1 st splitting surface is arranged towards a corresponding emergent position of the rear end emergent surface, the tail end reflecting surface reflects the light beam and then is arranged towards the rear end emergent surface, and two groups of parallel and spaced line light beams are generated through a long Baville prism;
when the value of N is more than or equal to 2, generating (N +1) groups of word line beams at parallel intervals by using a long-strip Powell prism;
the emission angles of the N light splitting surfaces and the tail end reflecting surface corresponding to incident light rays are 45 degrees.
After the structure of the utility model is adopted, in an optical system, after the laser emits parallel light, the parallel light beams of (N +1) beams are generated through N splitting surfaces and a tail end reflecting surface, then a plurality of groups of parallel and spaced line light beams are formed through a long-strip Bawell prism to be output, and the splitting cemented mirror group is formed by cementing a spectroscope and a reflector, so that at least two groups of line light beams which are not on the same horizontal plane can be generated, and the equipment cost is low.
Drawings
FIG. 1 is a schematic diagram of a Powell prism generating a word line optical effect;
FIG. 2 is a schematic diagram of the structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the laser device 10, the beam splitting cemented mirror group 20, the beam splitter 201, the reflecting mirror 202, the incident surface 21, the end reflecting surface 22, the rear end emitting surface 23, the 1 st splitting surface 24, the 2 nd splitting surface 25, the long powell prism 30, the parallel light 40 and the word line light beam 50.
Detailed Description
A laser apparatus for generating a word line set, see fig. 2, comprising:
a laser 10;
the light splitting cemented mirror group 20 comprises an incident surface 21, N light splitting surfaces, a tail end reflecting surface 22 and a rear end emitting surface 23, wherein N is a natural number which is more than or equal to 1, the N light splitting surfaces are respectively arranged in parallel at intervals, and the N light splitting surfaces are specifically a1 st light splitting surface 24, a 2 nd light splitting surface 25, … and an Nth light splitting surface; the end reflecting surface 23 is positioned behind the transmission beam of the nth splitting surface and is arranged parallel to the nth splitting surface;
and a long-strip powell prism 30;
the outgoing light beam of the laser 10 is parallel light 40, the outgoing light beam of the laser 10 is arranged towards the incident surface 21 of the beam splitting glue mirror group 20 and is arranged towards the 1 st splitting surface 24, the reflected light beam of the 1 st splitting surface is arranged towards the 2 nd splitting surface 25, the transmitted light beam of the 1 st splitting surface 24 is arranged towards the corresponding outgoing position of the rear end outgoing surface 23, and the 2 nd splitting surfaces 25 to the Nth splitting surfaces respectively receive the transmitted light beam of the previous splitting surface and arrange the respective reflected light beams towards the corresponding positions of the rear end outgoing surface;
the long powell prism 30 is located behind the rear exit surface 23 of the beam splitting cemented mirror group 20, a plurality of parallel light beams emitted from the rear exit surface 23 are respectively incident on the incident curved surface of the long powell prism 30, and a plurality of sets of parallel and spaced one-line light beams 50 are generated on the exit surface of the long powell prism 30.
In practical implementation, the light splitting cemented lens assembly 20 includes N light splitters 201 and a reflecting mirror 202;
when the value of N is 1, the outgoing beam of the laser 10 is arranged toward the 1 st splitting surface 24, the reflected beam of the 1 st splitting surface 24 is arranged toward the end reflecting surface 22, the transmitted beam of the 1 st splitting surface 24 is arranged toward the corresponding outgoing position of the rear end outgoing surface 23, the end reflecting surface 22 reflects the beam and then sets the beam toward the rear end outgoing surface 23, and two sets of parallel and spaced one-line beams 50 are generated through the long powell prism 30;
when the value of N is more than or equal to 2, generating (N +1) groups of word line beams 50 at parallel intervals through the long-strip Bawell prism 30;
the N splitting surfaces and one of the end reflecting surfaces 22 each have an emission angle of 45 ° with respect to the incident light.
In a specific embodiment, as shown in fig. 2, the value of N is 2, the light splitting cemented mirror group includes 2 light splitters 201 and a reflector 202, the light splitting cemented mirror group 20 includes an incident surface 21, A1 st splitting surface 24, a 2 nd splitting surface 25, a terminal reflection surface 22, and a rear emission surface 23, the inverse transmittance ratio of the 1 st splitting surface 24 is 33/67, the inverse transmittance ratio of the 2 nd splitting surface 25 is 50/50, the long powell prism 30 in the text is an existing mature product, and adopts a powell prism with a model number of KS-PB80a120-D9- @808nm, the length of the long powell prism 30 covers a surface area where three beams of light are located, the wavelength of the laser 10 is 532nm, the light beam emitted by the laser 10 is a parallel light beam, and the light beam diameter phi is 2 mm; the distance between the 2 nd splitting surface 25 and the 1 st splitting surface 24 is 30 mm; the distance between the 2 nd splitting surface 25 and the end reflecting surface 22 is 30 mm; the long-stripe Powell prism 30 produces a fan angle of 50 degrees, forming a word line width of about 2mm at 2m-5m away.
The working principle is that in an optical system, after parallel light is emitted by a laser, the laser generates (N +1) beam parallel interval light beams through N light splitting surfaces and a tail end reflecting surface, then a plurality of groups of parallel interval word line light beams are formed through a long-strip Bawell prism to be output, a light splitting cemented mirror group is formed by cementing a spectroscope and a reflector, at least two groups of word line light beams which are not on the same horizontal plane can be generated, and the equipment cost is low.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (5)
1. A laser device for generating a word line group, comprising:
a laser;
the light splitting cemented mirror group comprises an incidence plane, N light splitting planes, a tail end reflection plane and a rear end emission plane, wherein N is a natural number which is more than or equal to 1, the N light splitting planes are respectively arranged in parallel at intervals, and the N light splitting planes are specifically a1 st light splitting plane, a 2 nd light splitting plane, … and an Nth light splitting plane; the tail end reflecting surface is positioned behind the transmission light beam of the Nth splitting surface and is arranged in parallel to the Nth splitting surface;
and a long-strip powell prism;
the emergent light beam of the laser is parallel light, the emergent light beam of the laser is arranged towards the incident surface of the beam splitting gluing mirror group and is arranged towards the 1 st splitting surface, the reflected light beam of the 1 st splitting surface is arranged towards the 2 nd splitting surface, the transmitted light beam of the 1 st splitting surface is arranged towards the corresponding emergent position of the rear end emergent surface, and the 2 nd splitting surface to the Nth splitting surface respectively receive the transmitted light beam of the previous splitting surface and arrange the respective reflected light beams towards the corresponding positions of the rear end emergent surface;
the long Bawell prism is positioned behind the rear-end emergent surface of the beam splitting cemented lens group, a plurality of parallel light beams emitted by the rear-end emergent surface are respectively emitted into the incident curved surface of the long Bawell prism, and a plurality of groups of parallel spaced-apart line light beams are generated on the emergent surface of the long Bawell prism.
2. The laser apparatus for generating a word line set as claimed in claim 1, wherein: the light splitting cemented mirror group comprises N light splitters and a reflecting mirror.
3. The laser apparatus for generating a word line set as claimed in claim 2, wherein: when the value of N is 1, the emergent light beam of the laser is arranged towards a1 st splitting surface, the reflected light beam of the 1 st splitting surface is arranged towards a tail end reflecting surface, the transmitted light beam of the 1 st splitting surface is arranged towards the corresponding emergent position of the rear end emergent surface, the tail end reflecting surface reflects the light beam and then the light beam is arranged towards the rear end emergent surface, and two groups of parallel and spaced word line light beams are generated through a long Baville prism.
4. The laser apparatus for generating a word line set as claimed in claim 2, wherein: when the value of N is more than or equal to 2, N +1 groups of word line beams at parallel intervals are generated through the long-strip Bawell prism.
5. A laser device for generating a word line set according to claim 2 or 3, wherein: the emission angles of the N light splitting surfaces and the tail end reflecting surface corresponding to incident light rays are 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220843034.7U CN216958844U (en) | 2022-04-13 | 2022-04-13 | Laser device for generating linear group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220843034.7U CN216958844U (en) | 2022-04-13 | 2022-04-13 | Laser device for generating linear group |
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| Publication Number | Publication Date |
|---|---|
| CN216958844U true CN216958844U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220843034.7U Active CN216958844U (en) | 2022-04-13 | 2022-04-13 | Laser device for generating linear group |
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| CN (1) | CN216958844U (en) |
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- 2022-04-13 CN CN202220843034.7U patent/CN216958844U/en active Active
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