CN103163649A - Beam-splitting optical system - Google Patents
Beam-splitting optical system Download PDFInfo
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- CN103163649A CN103163649A CN2011104227326A CN201110422732A CN103163649A CN 103163649 A CN103163649 A CN 103163649A CN 2011104227326 A CN2011104227326 A CN 2011104227326A CN 201110422732 A CN201110422732 A CN 201110422732A CN 103163649 A CN103163649 A CN 103163649A
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- beam splitter
- plane beam
- light
- reflective mirror
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Abstract
The invention provides a beam-splitting optical system. The beam-splitting optical system comprises a first plane beam splitter mirror arranged on an incidence light path, a second plane beam splitter mirror arranged on a transmission light path of the first plane beam splitter mirror, a first reflection mirror arranged on a reflection light path of the first plane beam splitter mirror, and a second reflection mirror arranged on the reflection light path of the first plane beam splitter mirror. The beam-splitting optical system solves the problems that an existing laser instrument is complex in structure, large in size, high in cost and wasteful in light energy, and therefore the laser instrument is simple in structure, reduced in size and lowered in cost, energy of input light is utilized fully, and energy sources are saved.
Description
Technical field
The invention belongs to optical field, be specifically related to a kind of beam-splitting optical system.
Background technology
Present semiconductor laser is used the optical alignment light source that adopts, and normally laser module only provides a kind of application light beam of proterties.In actual product was used, a kind of laser device will use many laser modules to make light source, and its defective is: the one, and the adjustment structure more complicated, the instrument volume is larger, and the 2nd, use many laser modules, it is high that relative cost is wanted.The 3rd, along with the application of the progress of laser technology, particularly green laser, single die set light source luminous energy improves, and only provides a laser proterties by a module of classic method (light source), and not only luminous energy can not take full advantage of, and has also increased energy consumption.Therefore, to the method for single light source by the optics light splitting, laser beam is decomposed into multiple laser, is conducive to conserve energy, reduces costs, and simplified structure, reduced volume, production has very strong realistic meaning to laser device.
Summary of the invention
The objective of the invention is to solve existing laser device only provides a kind of application light beam of proterties due to a laser module, and complex structure that a plurality of laser modules cause need to be set, bulky, cost is higher and the problem of luminous energy waste.
For reaching above-mentioned purpose, the invention provides a kind of beam-splitting optical system, the second plane beam splitter on the transmitted light light path that comprise the first plane beam splitter of being arranged on optical path of incident light, is arranged on this first plane beam splitter, be arranged on the first reflective mirror on the reflected light light path of this first plane beam splitter, be arranged on the second reflective mirror on the reflected light light path of this first reflective mirror.
The angle setting at 45 ° of above-mentioned the first plane beam splitter and described incident light, thus its reflecting light level is incided on described the first reflective mirror; The angle setting at 45 ° of the transmitted light of described the second plane beam splitter and described the first plane beam splitter, and make its reflected light perpendicular to the reflected light of described the first plane beam splitter; The reflecting surface of described the first reflective mirror is parallel to described the first plane beam splitter, and its reflected light angle at 45 ° is incided on the reflecting surface of described the second reflective mirror, and then penetrates by horizontal reflection and along the catoptrical direction of described the first plane beam splitter.
The catoptrical energy of above-mentioned the first plane beam splitter be described incident light energy 1/3rd, the energy of the transmitted light of this first plane beam splitter be described incident light energy 2/3rds; The reflected light of described the second plane beam splitter and the energy of transmitted light be all this first plane beam splitter transmitted light energy 1/2nd.
Above-mentioned the first reflective mirror and the second reflective mirror are all isosceles right-angle prisms.
Above-mentioned incident light is collimation laser, and described the first plane beam splitter, the second plane beam splitter, the first reflective mirror and the second reflective mirror are all to be made by optical glass or optical plastic.
The wavelength of above-mentioned collimation laser is 400~1320nm.
Advantage of the present invention is: to the method for single light source by the optics light splitting, laser beam is decomposed into multiple laser, is conducive to conserve energy, reduces costs, and also simplified structure, reduced volume.
Description of drawings
Below with reference to accompanying drawing, the present invention is described in further details:
Fig. 1 is beam-splitting optical system schematic diagram provided by the invention.
In figure: 1, incident light; 2, the transmitted light of the first plane beam splitter; 3, the reflected light of the first plane beam splitter; 4, the reflected light of the first reflective mirror; 5, the reflected light of the second reflective mirror; 6, the reflected light of the second plane beam splitter; 7, the transmitted light of the second plane beam splitter; 8, the first plane beam splitter; 9, the second plane beam splitter; 10, the first reflective mirror; 11, the second reflective mirror.
Embodiment
only provide a kind of application light beam of proterties due to a laser module in order to solve existing laser device, and the complex structure that a plurality of laser modules cause need to be set, bulky, the problem that cost is higher and luminous energy is wasted, the present embodiment is based on the method by the optics light splitting to single light source, laser beam is decomposed into multiple laser, be conducive to conserve energy, reduce costs, and simplified structure, the thought that the reduction printer body is long-pending, beam-splitting optical system as shown in Figure 1 is provided, comprise the first plane beam splitter 8 on the light path that is arranged on incident light 1, be arranged on the second plane beam splitter 9 on the light path of transmitted light 2 of this first plane beam splitter, be arranged on the first reflective mirror 10 on the light path of reflected light 3 of this first plane beam splitter, be arranged on the second reflective mirror 11 on the light path of reflected light 4 of this first reflective mirror.
Wherein, the first plane beam splitter 8 and incident light 1 angle setting at 45 °, thus make its reflected light 3 glancing incidences to the first reflective mirror 10; The angle setting at 45 ° of the transmitted light 2 of the second plane beam splitter 9 and the first plane beam splitter, and make its reflected light 6 perpendicular to the reflected light 3 of the first plane beam splitter; The reflecting surface of the first reflective mirror 10 is parallel to the first plane beam splitter 8, its reflected light 4 angle at 45 ° is incided on the reflecting surface of the second reflective mirror 11, and then penetrated the i.e. reflected light 5 of the second reflective mirror shown in figure by horizontal reflection and along the direction of the reflected light 3 of the first plane beam splitter.
The energy of the reflected light 3 of the first plane beam splitter be incident light 1 energy 1/3rd, the energy of the transmitted light 2 of this first plane beam splitter be incident light energy 2/3rds; The energy of the reflected light 6 of the second plane beam splitter and transmitted light thereof (i.e. the transmitted light 7 of the second plane beam splitter shown in figure) be all this first plane beam splitter transmitted light 2 energy 1/2nd.
The first reflective mirror 10 and the second reflective mirror 11 that relate in the present embodiment are all isosceles right-angle prisms.Incident light 1 is collimation laser, and the wavelength of this collimation laser is 400~1320nm.The first plane beam splitter 8, the second plane beam splitter 9, the first reflective mirror 10 and the second reflective mirror 11 are all to be made by optical glass or optical plastic.
By this figure, be not difficult to find out, the beam-splitting optical system that provides by the present embodiment, with single light beam after twice light splitting triple reflection, finally be divided into three-beam output, and this three-beam is respectively along the X-axis shown in Fig. 1 (reflected light 5 of the second reflective mirror), Y-axis (reflected light 6 of the second plane beam splitter) and Z axis (transmitted light 7 of the second plane beam splitter) output, and common intersection point O is arranged, simplified existing laser device structure, dwindled volume, reduced cost and take full advantage of the input light energy, saved the energy.
More than exemplifying is only to illustrate of the present invention, does not consist of the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention all belongs to protection scope of the present invention.
Claims (6)
1. beam-splitting optical system is characterized in that: the second plane beam splitter on the transmitted light light path that comprise the first plane beam splitter of being arranged on optical path of incident light, is arranged on this first plane beam splitter, be arranged on the first reflective mirror on the reflected light light path of this first plane beam splitter, be arranged on the second reflective mirror on the reflected light light path of this first reflective mirror.
2. beam-splitting optical system as claimed in claim 1 is characterized in that: the angle setting at 45 ° of described the first plane beam splitter and described incident light, thus its reflecting light level is incided on described the first reflective mirror; The angle setting at 45 ° of the transmitted light of described the second plane beam splitter and described the first plane beam splitter, and make its reflected light perpendicular to the reflected light of described the first plane beam splitter; The reflecting surface of described the first reflective mirror is parallel to described the first plane beam splitter, and its reflected light angle at 45 ° is incided on the reflecting surface of described the second reflective mirror, and then penetrates by horizontal reflection and along the catoptrical direction of described the first plane beam splitter.
3. beam-splitting optical system as claimed in claim 1 or 2, it is characterized in that: the catoptrical energy of described the first plane beam splitter be described incident light energy 1/3rd, the energy of the transmitted light of this first plane beam splitter be described incident light energy 2/3rds; The reflected light of described the second plane beam splitter and the energy of transmitted light be all this first plane beam splitter transmitted light energy 1/2nd.
4. beam-splitting optical system as claimed in claim 3, it is characterized in that: described the first reflective mirror and the second reflective mirror are all isosceles right-angle prisms.
5. beam-splitting optical system as claimed in claim 4, it is characterized in that: described incident light is collimation laser, described the first plane beam splitter, the second plane beam splitter, the first reflective mirror and the second reflective mirror are all to be made by optical glass or optical plastic.
6. beam-splitting optical system as claimed in claim 5, it is characterized in that: the wavelength of described collimation laser is 400~1320nm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011104227326A CN103163649A (en) | 2011-12-16 | 2011-12-16 | Beam-splitting optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011104227326A CN103163649A (en) | 2011-12-16 | 2011-12-16 | Beam-splitting optical system |
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CN103163649A true CN103163649A (en) | 2013-06-19 |
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CN2011104227326A Pending CN103163649A (en) | 2011-12-16 | 2011-12-16 | Beam-splitting optical system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950456A (en) * | 2015-07-15 | 2015-09-30 | 合肥工业大学 | Crossed stereoscopic beam splitter and application thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100277726A1 (en) * | 2008-04-04 | 2010-11-04 | Emcore Corporation | Terahertz Frequency Domain Spectrometer with Integrated Dual Laser Module |
CN102053373A (en) * | 2010-12-10 | 2011-05-11 | 西安华科光电有限公司 | Concurrent three-dimensional light-splitting combined optical system |
CN202421624U (en) * | 2011-12-16 | 2012-09-05 | 西安华科光电有限公司 | Beam-splitting optical system |
-
2011
- 2011-12-16 CN CN2011104227326A patent/CN103163649A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100277726A1 (en) * | 2008-04-04 | 2010-11-04 | Emcore Corporation | Terahertz Frequency Domain Spectrometer with Integrated Dual Laser Module |
CN102053373A (en) * | 2010-12-10 | 2011-05-11 | 西安华科光电有限公司 | Concurrent three-dimensional light-splitting combined optical system |
CN202421624U (en) * | 2011-12-16 | 2012-09-05 | 西安华科光电有限公司 | Beam-splitting optical system |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104950456A (en) * | 2015-07-15 | 2015-09-30 | 合肥工业大学 | Crossed stereoscopic beam splitter and application thereof |
CN104950456B (en) * | 2015-07-15 | 2017-03-22 | 合肥工业大学 | Crossed stereoscopic beam splitter |
CN106646898A (en) * | 2015-07-15 | 2017-05-10 | 合肥工业大学 | Computing method for light intensity of crossing stereoscopic optical splitter |
CN106773079A (en) * | 2015-07-15 | 2017-05-31 | 合肥工业大学 | Uniform light-splitting method on the horizontal plane of right-angled intersection solid optical splitter |
CN106646898B (en) * | 2015-07-15 | 2019-01-11 | 合肥工业大学 | The light intensity calculation method of right-angled intersection solid optical splitter |
CN106773079B (en) * | 2015-07-15 | 2019-02-12 | 合肥工业大学 | Uniform light-splitting method on the horizontal plane of right-angled intersection solid optical splitter |
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Application publication date: 20130619 |