CN114465075A - A word line laser for generating a word line group - Google Patents
A word line laser for generating a word line group Download PDFInfo
- Publication number
- CN114465075A CN114465075A CN202210120448.1A CN202210120448A CN114465075A CN 114465075 A CN114465075 A CN 114465075A CN 202210120448 A CN202210120448 A CN 202210120448A CN 114465075 A CN114465075 A CN 114465075A
- Authority
- CN
- China
- Prior art keywords
- prism
- prisms
- light
- light splitting
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0911—Anamorphotic systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0972—Prisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a linear laser for generating a linear group, which can generate the linear group, is convenient to use in construction operation, is simple to operate and reduces the equipment cost. It includes: a laser; a plurality of beam splitting prisms; a mirror; and a plurality of Powell prisms; the number of the Bawell prisms is M, the number of the beam splitting prisms is N, wherein M is N + 1; each beam splitter prism comprises an incident surface, a beam splitting surface, a first emergent surface and a second emergent surface, all the beam splitter prisms are sequentially arranged along the length direction of the same axis, and the beam splitter prisms along the length direction of the axis are sequentially a first beam splitter prism, a second beam splitter prism, … and an Nth beam splitter prism; the emergent light beam of the laser is parallel light, and the emergent light beam of the laser is arranged towards the incident surface of the nearest first beam splitting prism.
Description
Technical Field
The invention relates to the technical field of laser, in particular to a line laser for generating a 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, and when laser passes through the complex two-dimensional aspheric surface curved surface, a large amount of spherical aberration is generated, so that light energy is redistributed, the light energy in the central area is reduced, and the light energy is enhanced to the edge area to form a uniform straight line, as shown in fig. 1, a laser with the optical effect is called a linear laser in the prior art.
The existing word line laser product can only form a word line light beam, and when other application requirements exist, a word line laser needs to be purchased, so that the use cost is high, and the occupied space of equipment is large.
Disclosure of Invention
In view of the above problems, the present invention provides a line laser for generating a line group, which can generate a line group, is convenient for use in construction work, and has simple operation and reduced equipment cost.
A word line laser for producing a set of word lines, comprising:
a laser;
a plurality of beam splitting prisms;
a mirror;
and a plurality of Powell prisms;
the number of the Bawell prisms is M, the number of the beam splitting prisms is N, wherein M is N + 1;
each light splitting prism comprises an incident surface, a light splitting surface, a first exit surface and a second exit surface, all the light splitting prisms are sequentially arranged along the length direction of the same axis, and the light splitting prisms along the length direction of the axis are a first light splitting prism, a second light splitting prism, … and an Nth light splitting prism in sequence;
the emergent light beam of the laser is parallel light, and the emergent light beam of the laser faces to the incident surface of the nearest first beam splitting prism;
a corresponding Bawell prism is arranged at the rear part of the light beam propagation direction of the first exit surface or the second exit surface of the first light splitting prism, a second light splitting prism is arranged at the rear part of the light beam propagation direction of the other exit surface of the first light splitting prism, a corresponding incident curved surface of the Bawell prism is arranged at the rear part of the transmission propagation direction of the second exit surface of each light splitting prism except the first light splitting prism and the Nth light splitting prism, and an incident surface of an adjacent light splitting prism is arranged at the rear part of the transmission propagation direction of the first exit surface of each light splitting prism except the first light splitting prism and the Nth light splitting prism;
the reflector is arranged at the rear part of the propagation direction of the first emergent surface of the Nth beam splitter prism, and an incident curved surface corresponding to the Bawell prism is arranged at the rear part of the propagation direction of the reflected light of the reflector;
the adjacent Powell prisms are arranged at intervals, and a word line emitted from the emergent surface of all the Powell prisms is combined to form a group of parallel word lines which are arranged at intervals and emitted.
It is further characterized in that:
all the beam splitting prisms and the reflectors are glued to form a beam splitting gluing prism group;
all the light splitting prisms are independently arranged structures, and the interval between the adjacent light splitting prisms is set according to the distance interval of a word line;
the light beams emitted by all the Bawell prisms have the same intensity, and the light intensity emitted by each Bawell prism is 1/M of the intensity of the light beam emitted by the laser;
the angle of the light splitting surface of each light splitting prism is 45 degrees, the angle of the reflector is 45 degrees, and all the light splitting prisms and the reflectors are ensured to be arranged in a straight line along the same axis.
After the structure of the invention is adopted, parallel light beams are incident to the light splitting surface of the nearest light splitting prism, one part is reflected, the other part is still linearly transmitted, each Bawell prism emits a linear light beam, and a group of parallel linear lines which are arranged at intervals and emitted are formed by combining linear lines emitted from the emitting surfaces of all the Bawell prisms.
Drawings
FIG. 1 is a schematic diagram of a Powell prism generating a word line optical effect;
FIG. 2 is an optical schematic of a first embodiment of the present invention;
FIG. 3 is an optical schematic of a second embodiment of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a laser 1, a beam splitting and gluing prism group 2, a first Powell prism 3, a second Powell prism 4, a third Powell prism 5, a first beam splitting prism 6, a first exit surface 61, a second exit surface 62, a second beam splitting prism 7 and a reflector 8.
Detailed Description
A line laser for generating a line set, see fig. 2 and fig. 3, which includes a laser 1, a plurality of beam splitting prisms, a reflector, and a plurality of powell prisms;
the number of the Bawell prisms is M, the number of the beam splitting prisms is N, wherein M is N + 1;
each beam splitter prism comprises an incident surface, a beam splitting surface, a first emergent surface and a second emergent surface, all the beam splitter prisms are sequentially arranged along the length direction of the same axis, and the beam splitter prisms along the length direction of the axis are a first beam splitter prism 6, a second beam splitter prism 7, … and an Nth beam splitter prism in sequence;
the outgoing beam of the laser 1 is parallel light, the outgoing beam of the laser 1 is arranged towards the incident surface of the nearest first beam splitter prism 6, the rear part of the beam propagation direction of the first outgoing surface 61 or the second outgoing surface 62 of the first beam splitter prism 6 is provided with a corresponding Powell prism, the rear part of the beam propagation direction of the other outgoing surface of the first beam splitter prism 6 is provided with a second beam splitter prism 7, the rear part of the transmission propagation direction of the second outgoing surface of each beam splitter prism except the first beam splitter prism 7 and the Nth beam splitter prism is provided with a corresponding incident curved surface of the Powell prism, the rear part of the transmission propagation direction of the first outgoing surface of each beam splitter prism except the first beam splitter prism 6 and the Nth beam splitter prism is provided with an adjacent beam splitter prism, the rear part of the propagation direction of the first outgoing surface of the Nth beam splitter prism is provided with a reflecting mirror, the rear part of the propagation direction of the reflected light of the reflector 8 is provided with a corresponding incident curved surface of the Powell prism;
the adjacent Powell prisms are arranged at intervals, and word lines emitted from the emergent surfaces of all the Powell prisms are combined to form a group of parallel word lines which are arranged at intervals and emitted;
the light beams emitted by all Bawell prisms have the same intensity, and the light intensity emitted by each Bawell prism is 1/M of the intensity of the light beam emitted by the laser;
the angle of the light splitting surface of each light splitting prism is 45 degrees, the angle of the reflecting mirror is 45 degrees, and all the light splitting prisms and the reflecting mirrors are ensured to be arranged in a straight line along the same axis.
The first specific embodiment is shown in fig. 2: all the beam splitting prisms and the reflectors are glued to form a beam splitting and gluing prism group 2; the beam splitting and gluing prism group 2 comprises a first beam splitting surface a, a second beam splitting surface b and a reflecting surface, parallel light beams enter the beam splitting and gluing prism group 2 and are divided into three beams, the transmittance of the first beam splitting surface a is 33/67 in inverse proportion, the transmittance of the second beam splitting surface b is 50/50 in inverse proportion, the beam splitting and gluing prism group further comprises a reflecting surface c, the first Bawell prism 3 corresponds to the direct position of the first beam splitting surface a, the second Bawell prism 4 and the third Bawell prism 5 correspond to the reflecting positions of the second beam splitting surface b and the reflecting surface c respectively, the optical axes of the first Bawell prism 3, the second Bawell prism 4 and the third Bawell prism 5 are superposed with the emergent laser optical axis of the beam splitting and gluing prism group 2, and the first Bawell prism 3, the second Bawell prism 4 and the third Bawell prism 5 respectively generate a word line light beam to form a word line group.
The second embodiment is shown in fig. 3: all the light splitting prisms are independently arranged structures, and the interval between the adjacent light splitting prisms is set according to the distance interval of a word line; the laser comprises a first beam splitter prism 6 with a trans-inverse ratio of 67/33, a second beam splitter prism 7 with a trans-inverse ratio of 50/50, a reflector 8, a first Powell prism 3, a second Powell prism 4 and a third Powell prism 5, wherein the first Powell prism 3 is arranged at the rear part of the beam propagation direction of a second emergent surface 62 (reflecting surface) of the first beam splitter prism 6, the second beam splitter prism 7 is arranged at the rear part of the beam propagation direction of a first emergent surface 61 (direct incident surface) of the first beam splitter prism 6, the first Powell prism 3, the second Powell prism 4 and the third Powell prism 5 respectively generate a first word line beam, a second word line beam and a third word line beam, the first word line beam, the second word line beam and the third word line beam are mutually parallel, the spacing distance A between the laser 1 and the first word line beam, the spacing distance B between the first word line beam and the second word line beam, the third word line beam, the first word line beam, the second word line beam, the third word line beam, the first and the second word line beam are respectively, The separation distance C between the second word line beam and the third word line beam can be adjusted.
The working principle is as follows: parallel beams are incident to the light splitting surface of the nearest light splitting prism, one part of the parallel beams are reflected, one part of the parallel beams are still transmitted in a straight line, each Bawell prism emits a straight beam, and word lines emitted from the emitting surfaces of all the Bawell prisms are combined to form a group of parallel word lines which are arranged at intervals and emitted.
It will be evident to those skilled in the art that the invention 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 invention 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 (5)
1. A word line laser for producing a set of word lines, comprising:
a laser;
a plurality of beam splitting prisms;
a mirror;
and a plurality of Powell prisms;
the number of the Bawell prisms is M, the number of the beam splitting prisms is N, wherein M is N + 1;
each beam splitter prism comprises an incident surface, a beam splitting surface, a first emergent surface and a second emergent surface, all the beam splitter prisms are sequentially arranged along the length direction of the same axis, and the beam splitter prisms along the length direction of the axis are sequentially a first beam splitter prism, a second beam splitter prism, … and an Nth beam splitter prism;
the emergent light beam of the laser is parallel light, and the emergent light beam of the laser is arranged towards the incident surface of the nearest first beam splitter prism;
a corresponding Bawell prism is arranged at the rear part of the light beam propagation direction of the first exit surface or the second exit surface of the first light splitting prism, a second light splitting prism is arranged at the rear part of the light beam propagation direction of the other exit surface of the first light splitting prism, a corresponding incident curved surface of the Bawell prism is arranged at the rear part of the transmission propagation direction of the second exit surface of each light splitting prism except the first light splitting prism and the Nth light splitting prism, and an incident surface of an adjacent light splitting prism is arranged at the rear part of the transmission propagation direction of the first exit surface of each light splitting prism except the first light splitting prism and the Nth light splitting prism;
the reflector is arranged at the rear part of the propagation direction of the first emergent surface of the Nth beam splitter prism, and an incident curved surface corresponding to the Bawell prism is arranged at the rear part of the propagation direction of the reflected light of the reflector;
the adjacent Powell prisms are arranged at intervals, and word lines emitted from the emergent surfaces of all the Powell prisms are combined to form a group of parallel word lines which are arranged at intervals and emitted.
2. A word line laser for producing a set of word lines as claimed in claim 1, wherein: and all the beam splitting prisms and the reflectors are glued to form a beam splitting and gluing prism group.
3. A word line laser for producing a set of word lines as claimed in claim 1, wherein: all the light splitting prisms are independently arranged structures, and the interval between the adjacent light splitting prisms is set according to the distance interval of a word line.
4. A word line laser for producing a set of word lines as claimed in claim 3, wherein: the intensity of the light beams emitted by all the Bawell prisms is the same, and the light intensity emitted by each Bawell prism is 1/M of the intensity of the light beams emitted by the laser.
5. A word line laser for producing a set of word lines as claimed in claim 1, wherein: the angle of the light splitting surface of each light splitting prism is 45 degrees, the angle of the reflector is 45 degrees, and all the light splitting prisms and the reflectors are ensured to be arranged in a straight line along the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120448.1A CN114465075A (en) | 2022-02-09 | 2022-02-09 | A word line laser for generating a word line group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120448.1A CN114465075A (en) | 2022-02-09 | 2022-02-09 | A word line laser for generating a word line group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114465075A true CN114465075A (en) | 2022-05-10 |
Family
ID=81413792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210120448.1A Pending CN114465075A (en) | 2022-02-09 | 2022-02-09 | A word line laser for generating a word line group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114465075A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117192725A (en) * | 2023-09-27 | 2023-12-08 | 北京创思工贸有限公司 | Gluing method of reflecting prism group |
| WO2023241672A1 (en) * | 2022-06-18 | 2023-12-21 | Huimin Li | Bipolar coordinate multi-line laser beam structured light method, apparatus and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698703A (en) * | 2014-11-26 | 2016-06-22 | 北京智朗芯光科技有限公司 | Multi-channel laser emitting device |
| CN107167864A (en) * | 2017-04-10 | 2017-09-15 | 南京第五十五所技术开发有限公司 | A kind of array line laser quantum dot manufacturing backlight module method and device |
-
2022
- 2022-02-09 CN CN202210120448.1A patent/CN114465075A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698703A (en) * | 2014-11-26 | 2016-06-22 | 北京智朗芯光科技有限公司 | Multi-channel laser emitting device |
| CN107167864A (en) * | 2017-04-10 | 2017-09-15 | 南京第五十五所技术开发有限公司 | A kind of array line laser quantum dot manufacturing backlight module method and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023241672A1 (en) * | 2022-06-18 | 2023-12-21 | Huimin Li | Bipolar coordinate multi-line laser beam structured light method, apparatus and application thereof |
| CN117192725A (en) * | 2023-09-27 | 2023-12-08 | 北京创思工贸有限公司 | Gluing method of reflecting prism group |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6778732B1 (en) | Generation of high-power, high brightness optical beams by optical cutting and beam-shaping of diode lasers | |
| US6337873B1 (en) | Optical arrangement for balancing the beam of one or more high power diode lasers arranged one above another | |
| US6700709B1 (en) | Configuration of and method for optical beam shaping of diode laser bars | |
| US5506929A (en) | Light expanding system for producing a linear or planar light beam from a point-like light source | |
| US5808803A (en) | Optical arrangement for use in a laser diode system | |
| US7079566B2 (en) | Semiconductor laser apparatus capable of routing laser beams emitted from stacked-array laser diode to optical fiber with little loss | |
| CN114465075A (en) | A word line laser for generating a word line group | |
| JPH10510933A (en) | Apparatus for focusing and shaping emitted light of multiple diode laser arrays | |
| US6765725B1 (en) | Fiber pigtailed high power laser diode module with high brightness | |
| JP2000137139A (en) | Optical luminous flux converter | |
| US7268951B2 (en) | Optical beam splitter | |
| EP0165931A1 (en) | In-line optical anamorphic beam expander/contractor | |
| CN103996973A (en) | Beam expanding device of high-power semiconductor laser unit | |
| US9709810B2 (en) | Single-emitter line beam system | |
| CN203871648U (en) | High-power semiconductor laser beam expanding device | |
| US6816318B2 (en) | Beam shaping device for shaping the cross-section of a light beam and system for launching into an optical fiber a light beam having an elongated cross-section and being emitted by an elongated laser beam source | |
| CN216958844U (en) | Laser device for generating linear group | |
| CN201118092Y (en) | Multipath combined beam optical fiber laser | |
| CN101414053B (en) | Multiplex beam combination optical fiber laser | |
| CN111258075A (en) | Optical system capable of realizing multi-line spot structured light function | |
| JPH1039250A (en) | Device for forming flat beam | |
| CN114465076A (en) | Linear laser | |
| CN218728351U (en) | Laser line effect switching device based on right-angle prism | |
| CN216981122U (en) | Double-line laser device | |
| CN210534452U (en) | Optical system and demarcation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |