CN216981122U - Double-line laser device - Google Patents
Double-line laser device Download PDFInfo
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- CN216981122U CN216981122U CN202220899331.3U CN202220899331U CN216981122U CN 216981122 U CN216981122 U CN 216981122U CN 202220899331 U CN202220899331 U CN 202220899331U CN 216981122 U CN216981122 U CN 216981122U
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Abstract
The utility model provides a double-word line laser device, which can output double-word lines with set included angles by additionally arranging two optical elements, and has the advantages of low equipment cost and accurate and reliable included angles. It comprises the following steps: a laser; the cemented prism comprises a light splitting surface and a reflecting surface; a wedge prism including an incident surface, a first angle exit surface, and a second angle exit surface; the two Powell prisms are respectively a first Powell prism and a second Powell prism; a gluing prism is arranged behind the output beam of the laser, the output beam of the laser faces the light splitting surface, the light splitting surface splits the output beam into a transmission beam and a reflection beam, the transmission beam is transmitted and emitted linearly, the reflection beam is reflected to the reflection surface after being changed in direction and is reflected by the reflection surface to form a first reflection output beam; the transmitted light beam and the first reflected output light beam are output in parallel at intervals.
Description
Technical Field
The utility model relates to the technical field of laser, in particular to a double-line laser device.
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.
In engineering operation, when two line laser effects are required to set an included angle, two line lasers and an auxiliary angle adjusting tool need to be purchased, the included angle of the two lines is manually adjusted, the process is complex and tedious, the equipment cost is high, and the accuracy of the included angle is not high.
Disclosure of Invention
In view of the above problems, the present invention provides a dual-word line laser device, which can perform dual-word line output with a set included angle by adding two optical elements, and has low equipment cost and an accurate and reliable included angle.
A dual wordline laser device, comprising:
a laser;
the cemented prism comprises a light splitting surface and a reflecting surface;
the wedge-shaped prism comprises an incident surface, a first angle emergent surface and a second angle emergent surface;
the two Powell prisms are respectively a first Powell prism and a second Powell prism;
a gluing prism is arranged behind the output light beam of the laser, the output light beam of the laser is arranged towards the light splitting surface, the light splitting surface splits the output light beam into a transmission light beam and a reflection light beam, the transmission light beam is transmitted and emitted linearly, the reflection light beam is emitted to the reflection surface after being changed in direction, and is reflected by the reflection surface to form a first reflection output light beam;
the transmitted light beam and the first reflected output light beam are output in parallel at intervals;
the wedge-shaped prism is vertically arranged, the incident surface is respectively arranged perpendicular to the transmitted light beam and the first reflected output light beam, the first angle emergent surface is arranged corresponding to the emergent position of the transmitted light beam, the second angle emergent surface is arranged corresponding to the first reflected output light beam, a first Powell prism is arranged behind the first output light beam passing through the first angle emergent surface, and a second Powell prism is arranged behind the second output light beam passing through the second angle emergent surface;
the first output light beam vertically enters the incident curved surface of the first Powell prism, and the second output light beam vertically enters the incident curved surface of the second Powell prism.
It is further characterized in that:
the first angle emergent surface and the second angle emergent surface of the wedge-shaped prism are inwards concave inclined surfaces respectively arranged at two ends of the central separation surface, the acute angle between the first angle emergent surface and the vertical surface is alpha, the acute angle between the second angle emergent surface and the vertical surface is beta, and the output included angle of the double-line is alpha + beta;
the output light beams and the light splitting surface are arranged at an incident angle of 45 degrees;
the reflected light beam and the reflecting surface are arranged at an incident angle of 45 degrees;
the transmittance of the light splitting surface is 50/50;
the laser, the gluing prism and the wedge-shaped prism are fixedly arranged on the bottom plate in sequence, a first Baowell prism is arranged behind a first angle emergent face of the wedge-shaped prism, and a second Baowell prism is arranged behind a second angle emergent face of the wedge-shaped prism.
After the structure of the utility model is adopted, the output light beam emitted by the laser is split and reflected by the cemented prism to form two parallel spaced light beams, the two parallel spaced light beams are respectively emitted out through the first angle emitting surface and the second angle emitting surface of the wedge-shaped prism in a one-to-one correspondence manner, and then are respectively emitted towards the corresponding Baville prism incident curved surface to form two line light beam outputs with included angles; the double-line output of the set included angle can be performed by additionally arranging the two optical elements, namely the gluing prism and the wedge-shaped prism, and the equipment cost is low, and the included angle is accurate and reliable.
Drawings
FIG. 1 is a schematic diagram of the present invention;
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 comprises a laser 1, a cemented prism 2, a beam splitting surface 21, a reflecting surface 22, a wedge prism 3, an incident surface 31, a first angle outgoing surface 32, a second angle outgoing surface 33, a first Powell prism 4, a second Powell prism 5 and a bottom plate 6.
Detailed Description
A dual word line laser device, see fig. 1 and 2, comprising:
a laser 1;
a cemented prism 2 including a spectroscopic surface 21 and a reflection surface 22;
a wedge prism 3 including an incident surface 31, a first angle exit surface 32, and a second angle exit surface 33;
the two Powell prisms are respectively a first Powell prism 4 and a second Powell prism 5;
the rear part of the output beam of the laser 1 is provided with a cemented prism 2, the output beam of the laser 1 is arranged towards a splitting surface 21, the splitting surface 21 splits the output beam into a transmission beam and a reflection beam, the transmission beam is transmitted and emitted linearly, the reflection beam is emitted to a reflection surface 22 after being changed in direction, and is reflected by the reflection surface 22 to form a first reflection output beam;
the transmitted light beam and the first reflected output light beam are output in parallel at intervals,
the wedge prism 3 is vertically arranged, the incident surface 31 is respectively arranged perpendicular to the transmitted light beam and the first reflected output light beam, the first angle emergent surface 32 is arranged corresponding to the emergent position of the transmitted light beam, the second angle emergent surface 33 is arranged corresponding to the first reflected output light beam, the first Powell prism 4 is arranged behind the first output light beam passing through the first angle emergent surface 32, and the second Powell prism 5 is arranged behind the second output light beam passing through the second angle emergent surface 33;
the first output beam is vertically incident on the incident curved surface of the first Powell prism 4, and the second output beam is vertically incident on the incident curved surface of the second Powell prism 5.
In specific implementation, the first angle outgoing surface 32 and the second angle outgoing surface 33 of the wedge prism 3 are inward concave inclined surfaces respectively arranged at two ends of the central separation surface, an acute angle between the first angle outgoing surface 32 and the vertical surface is alpha, an acute angle between the second angle outgoing surface 33 and the vertical surface is beta, and further an output included angle of the double-line is alpha + beta;
in a specific embodiment, the first angle outgoing surface 32 and the second angle outgoing surface 33 of the wedge prism 3 are angle outgoing surfaces stacked with respect to the central separation surface, and an acute angle between the first angle outgoing surface and the vertical surface is α, so that an output included angle of the double-word line is 2 α, and if α is 5 °, the output included angle of the double-word line is 10 °; the output light beams and the light splitting surface are arranged at an incident angle of 45 degrees; the reflected light beam and the reflecting surface are arranged at an incident angle of 45 degrees; the inverse transmittance of the light splitting surface is 50/50; the wavelength of the laser 1 is 532 nm; the light beam output by the laser 1 is a parallel light beam, and the diameter phi of the light beam is 2 mm; the fan angle of the first Baowell prism 4 is 60 degrees; the second powell prism 5 has a fan angle of 60 degrees.
When the laser is specifically implemented, the laser device further comprises a bottom plate 6, the laser device 1, the cemented prism 2 and the wedge-shaped prism 3 are fixedly arranged on the bottom plate 6 in sequence, a first Powell prism 4 is arranged behind a first angle emergent face 32 of the wedge-shaped prism 3, and a second Powell prism 5 is arranged behind a second angle emergent face 33 of the wedge-shaped prism 3.
The working principle is that the output light beam emitted by the laser is split and reflected by the cemented prism to form two parallel spaced light beams, the two parallel spaced light beams are respectively emitted out through the first angle emitting surface and the second angle emitting surface of the wedge prism in a one-to-one correspondence manner, and then are respectively emitted towards the corresponding incident curved surface of the Baville prism to form two line light beams with included angles to be output; the double-line output of the set included angle can be performed by additionally arranging the two optical elements, namely the gluing prism and the wedge-shaped prism, and the equipment cost is low, and the included angle is accurate and reliable.
In the specific embodiment, the outgoing beam of the laser 1 is a parallel beam a, enters the cemented prism 2, is transmitted through the splitting plane, is transmitted through the first angle outgoing inclined plane 32 of the wedge prism 3 to form an outgoing beam c, and is formed into a word line effect through the first powell prism 4; the outgoing light beam of the laser 1 is a parallel light beam a, enters the cemented prism 2, is reflected by the beam splitting surface, is reflected by the reflecting surface, is transmitted by the second angle outgoing inclined surface 33 of the wedge prism 3 to form an outgoing light beam b, and is transmitted by the second Powell prism 5 to form another word line effect, so that two word line light beams with included angles are formed and output.
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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A dual wordline laser device, comprising:
a laser;
the cemented prism comprises a light splitting surface and a reflecting surface;
the wedge-shaped prism comprises an incident surface, a first angle emergent surface and a second angle emergent surface;
the two Powell prisms are respectively a first Powell prism and a second Powell prism;
a gluing prism is arranged behind the output light beam of the laser, the output light beam of the laser is arranged towards the light splitting surface, the light splitting surface splits the output light beam into a transmission light beam and a reflection light beam, the transmission light beam is transmitted and emitted linearly, the reflection light beam is emitted to the reflection surface after being changed in direction, and is reflected by the reflection surface to form a first reflection output light beam;
the transmitted light beam and the first reflected output light beam are output in parallel at intervals;
the wedge-shaped prism is vertically arranged, the incident surface is respectively arranged perpendicular to the transmitted light beam and the first reflected output light beam, the first angle emergent surface is arranged corresponding to the emergent position of the transmitted light beam, the second angle emergent surface is arranged corresponding to the first reflected output light beam, a first Powell prism is arranged behind the first output light beam passing through the first angle emergent surface, and a second Powell prism is arranged behind the second output light beam passing through the second angle emergent surface;
the first output light beam vertically enters the incident curved surface of the first Powell prism, and the second output light beam vertically enters the incident curved surface of the second Powell prism.
2. The dual word line laser apparatus of claim 1, wherein: the first angle emergent surface and the second angle emergent surface of the wedge-shaped prism are inwards concave inclined surfaces respectively arranged at two ends of the central separation surface, the acute angle between the first angle emergent surface and the vertical surface is alpha, the acute angle between the second angle emergent surface and the vertical surface is beta, and further the output included angle of the double-line is alpha + beta.
3. The dual word line laser apparatus of claim 1, wherein: the output beam and the splitting plane are arranged at an incident angle of 45 deg..
4. The dual word line laser apparatus of claim 1, wherein: the reflected beam and the reflective surface are arranged at a 45 ° angle of incidence.
5. The dual word line laser apparatus of claim 1, wherein: the inverse transmittance of the splitting plane is 50/50.
6. The dual word line laser apparatus of claim 1, wherein: the laser, the gluing prism and the wedge-shaped prism are fixedly arranged on the bottom plate in sequence, a first Baowell prism is arranged behind a first angle emergent face of the wedge-shaped prism, and a second Baowell prism is arranged behind a second angle emergent face of the wedge-shaped prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899331.3U CN216981122U (en) | 2022-04-19 | 2022-04-19 | Double-line laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220899331.3U CN216981122U (en) | 2022-04-19 | 2022-04-19 | Double-line laser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981122U true CN216981122U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220899331.3U Active CN216981122U (en) | 2022-04-19 | 2022-04-19 | Double-line laser device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981122U (en) |
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- 2022-04-19 CN CN202220899331.3U patent/CN216981122U/en active Active
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