CN102096195B - Three-dimensionally spectroscopic combined pentaprism - Google Patents
Three-dimensionally spectroscopic combined pentaprism Download PDFInfo
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- CN102096195B CN102096195B CN 201010601541 CN201010601541A CN102096195B CN 102096195 B CN102096195 B CN 102096195B CN 201010601541 CN201010601541 CN 201010601541 CN 201010601541 A CN201010601541 A CN 201010601541A CN 102096195 B CN102096195 B CN 102096195B
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Abstract
The invention relates to a three-dimensionally spectroscopic combined pentaprism, which comprises a main prism, a right angle isosceles prism, an upper right angle prism, and a lateral right angle prism, wherein the right angle isosceles prism, the main prism and the upper right angle prism are arranged on the same optical axis in turn; the lateral right angle prism is arranged on a reflection optical path of the upper right angle prism; and the right angle isosceles prism is arranged on the reflection optical path of the lateral right angle prism. The invention provides the three-dimensionally spectroscopic combined pentaprism, so the three-dimensionally spectroscopic problem of the cone reflection type laser projector is solved and the three-dimensional spectroscopy of the origin of same coordinates is realized.
Description
Technical field
The present invention relates to a kind of beam split optical prism, relate in particular to a kind of three-dimensional beam split combination pentaprism.
Background technology
Laser level is at present at building, decoration and the widely used a kind of laser device of all kinds of project installation industry, and its function mainly is to utilize wire harness laser that three dimensions is carried out level and perpendicular positioning, sign.
Present laser level is made up of eight laser modules usually, and its laser module is with cylindrical lens laser beam to be changed over covering of the fan to distribute, and throws to be linear laser.Using four laser modules is one 360 ° projecting laser line in horizontal space butt joint.Other four mode of laser components are two groups, every group use two laser modules the vertical space butt joint be one less than 360 ° projecting laser line.Two groups of formed lasing areas are vertical each other, utilize laser rays to throw the function of line sign thereby reach at three dimensions.This three-dimensional is thrown line function and can be realized with three conical reflectors, so, bore the employed laser module of trans laser level and reduce to three by eight, not only simplify the structure, and reduced cost.
Utilize the axicon lens reflection to reach the trans laser level of this awl of 360 ° of projecting laser line technologies, its key is on three-dimensional, to form three beams of laser, and its optical axis is vertical each other.The orthogonal verticality precision of its optical axis is high more, is a basic guarantee to throwing the line precision.In actual product is used; Reach the orthogonal laser of the high-precision three beams optical axis of formation on the three-dimensional with three laser modules as light source; Its shortcoming: the one, the adjustment structure more complicated; The instrument volume is bigger, and the 2nd, mechanical adjustment is to be difficult to guarantee its high precision, is unfavorable for the realization of industrialization.More satisfactory is the method through the optics beam split, laser beam is decomposed into the three beams of laser of the orthogonal three-dimensional of optical axis.Guarantee its vertical precision through optics processing, not only can three laser modules be reduced to a laser module and make light source, further reduce cost, and simplify adjustment structure, the reduction printer body is long-pending, further advances axicon lens reflective laser level to reach industrialization.
Summary of the invention
In order to solve the above-mentioned technical matters that exists in the background technology, the invention provides a kind of three-dimensional beam split combination pentaprism, divide optical issue with the three-dimensional that solves axicon lens reflective laser level, and realized the three-dimensional beam split of same true origin.
Technical solution of the present invention is: the invention provides a kind of three-dimensional beam split combination pentaprism, its special character is: said three-dimensional beam split combination pentaprism comprises headprism, right angle isosceles prism, goes up right-angle prism and side right angle wedge mirror; Said right angle isosceles prism, headprism and last right-angle prism are set in turn on the same optical axis; Said side right angle wedge mirror is arranged on the reflected light path of right-angle prism; Said right angle isosceles prism is arranged on the reflected light path of side right angle wedge mirror.
Above-mentioned right angle isosceles prism comprises side right angle face, following right angle face and isosceles prism inclined-plane, right angle; Said right angle face down is arranged on the input path; Said inclined-plane is provided with the beam split plated film, and said input path is divided into first reflected light and first transmitted light behind isosceles prism inclined-plane, right angle; Said first reflected light is surface launching output through the side right angle; Said headprism and last right-angle prism are set in turn on the light path of first transmitted light of right angle isosceles prism.
The above-mentioned right-angle prism of going up comprises the right angle face and goes up the right-angle prism inclined-plane; The said right-angle prism inclined-plane of going up is provided with the beam split plated film; The said right-angle prism inclined-plane of going up is arranged on the light path of first transmitted light after the right angle isosceles prism inclined-plane transmission, and said first transmitted light is divided into second reflected light and second transmitted light behind last right-angle prism inclined-plane; Said second transmitted light is face transmission output through last right angle; Said side right angle wedge mirror is arranged on the second catoptrical light path after the reflection of last right-angle prism inclined-plane.
Above-mentioned side right angle wedge mirror comprises long right angle face, and said long right angle face is provided with total reflection film; Said long right angle face is arranged on the second catoptrical light path; Said second reflected light forms the 3rd reflected light after the face total reflection of long right angle; Isosceles prism inclined-plane, said right angle is arranged at side right angle wedge mirror on the formed the 3rd catoptrical light path after the face total reflection of long right angle.
The condition of the locus of the above-mentioned long right angle face of going up right-angle prism inclined-plane and side right angle wedge mirror is: second reflected light path that is reflected to form with right-angle prism inclined-plane on said not with the isosceles prism inclined-plane interference of said right angle.
Above-mentioned incident light is an optical alignment laser.
Above-mentioned collimation laser is semiconductor, He-Ne or CO
2Laser.
The material of above-mentioned headprism, right angle isosceles prism, last right-angle prism and side right angle wedge mirror is optical glass or optical plastic.
The first above-mentioned reflected light, second transmitted light, the 3rd reflected light are through the three-dimensional coordinate initial point, respectively along Y axle, Z axle, X-direction output.
Above-mentioned side right angle wedge mirror is that right-angle prism is excised or the replacement of special-shaped side right angle wedge mirror.
Advantage of the present invention is: a kind of three-dimensional beam split combination pentaprism of the present invention is characterized in that a branch of collimation laser can form the three beams collimation laser of three-dimensional through twice beam split; And through its beam split precision of optics processing assurance; Not only help mass production, and provide the foundation for the industrialization of axicon lens reflective laser level.
Description of drawings
Fig. 1 is the three-dimensional beam split combination of a present invention pentaprism light path principle figure.
Fig. 2 is that the three-dimensional beam split combination of the present invention pentaprism makes up 1 synoptic diagram.
Fig. 3 is the three-dimensional beam split combination of the present invention pentaprism 1 synoptic diagram.
Fig. 4 is that the three-dimensional beam split combination of the present invention pentaprism makes up 2 synoptic diagram.
Fig. 5 is the three-dimensional beam split combination of the present invention pentaprism 2 synoptic diagram.
Fig. 6 is the special-shaped side of a present invention right angle wedge mirror intention.
Embodiment
Referring to Fig. 1, a kind of three-dimensional beam split combination pentaprism of the present invention, its light path is that input laser 1 is imported along Z-direction, through beam split plated film face 8, tells a branch of reflected light 2 along Y direction output, reflected light 2 input laser 1 gross energy about 1/3; Another bundle transmitted light 3 of beam split plated film face 8 continues along Z-direction output, and it accounts for input laser 1 gross energy about 2/3.Or beam split plated film face 8 half-twists, its reflected light 4 edge-Y directions output.The transmitted light 3 of beam split plated film face 8 is told reflected light 6 and transmitted light 7 through beam split plated film face 9, respectively accounts for about 1/2 of transmitted light 3 luminous energies.Transmitted light 7 is exported along Z-direction; Reflected light 6 produces reflected light 5 through full reflective surface 10, and reflected light 5 outputs are exported with transmitted light 3 optical axes crosspoints 11 and along X-direction through the reflected light 2 of beam split plated film face 8.Wherein reflected light 6 not with 8 interferences of beam split plated film face; Optical axes crosspoint 11 is three-dimensional coordinate initial point O of three-dimensional output light Y axle reflected light 2 (or-Y axle reflected light 4), X axle reflected light 5, Z axle transmitted light 7.
Referring to Fig. 2, Fig. 3, be preferred embodiment synoptic diagram provided by the present invention.It is representing a kind of three-dimensional beam split combination pentaprism is to be combined by headprism 14, right angle isosceles prism 15, last right-angle prism 12 and side right angle wedge mirror 18; Right angle isosceles prism 15 is arranged at headprism 14 belows, and just headprism 14 is arranged on the transmitted light path of right angle isosceles prism 15; Last right-angle prism 12 is arranged on the emitting light path of headprism 14; Side right-angle prism 18 is arranged at a side (left side or right hand hay cutter) of headprism 14, just is arranged on the reflected light path of right-angle prism 12.Wherein, The side right angle face 16 of right angle isosceles prism 15 is arranged at the front side of headprism 14; Isosceles prism 15 times right angle faces 17 in right angle are arranged on the light path of input laser 1; The inclined-plane of right angle isosceles prism 15 be beam split plated film face 8 or at the right angle inclined-plane of isosceles prism 15 is provided with beam split plated film 8,, will import laser 1 and be divided into first reflected light path 2 and first transmitted light path 3 during at input laser 1 through this beam split plated film face 8; First reflection ray 2 penetrates along Y axle positive dirction, and first transmitted light path 3 is directly through headprism 14 outgoing; 1/3, the first transmitted light 3 that its beam split flow control one reflected light 2 is about input laser gross energy is about 2/3 of input laser gross energy.Last right-angle prism 12 is arranged on first transmitted light, 3 light paths of right angle isosceles prism 15, and the inclined-plane of last right-angle prism 12 is beam split plated film faces 9; Perhaps on last right-angle prism 12, directly be provided with beam split plated film face 9; Last right-angle prism 12 is divided into second reflected light 6 and second transmitted light 7 with first transmitted light 3 of right angle isosceles prism 15; Its beam split flow control two reflected light 6 are about 1/2 of first transmitted light path, 3 energy, just import 1/3 of laser gross energy; Second transmitted light 7 is about 1/2 of first transmitted light path, 3 energy, just imports 1/3 of laser gross energy; Second transmitted light 7 of last right-angle prism 12 is exported along Z-direction.The long right angle face of side right angle wedge mirror 18 be fully reflecting surface 10 or at the side right angle the long right angle face of wedge mirror 18 is provided with fully reflecting surface 10, the effect of the two is the same, the long right angle face of side right angle wedge mirror 18 is arranged on the light path of second reflected light 6 of right-angle prism 12; The total reflection light 5 of side right angle wedge mirror 18 passes through first reflected light 2 of right angle isosceles prism 15 and the beam split initial point 11 of first transmitted light 3, and exports along X-direction.The beam split plated film face 9 of last right-angle prism 12 and the long right angle reflecting surface 10 of side right angle wedge mirror 18 are provided with above right-angle prism 12 in the locus second reflected light 6 is not a condition with beam split plated film face 8 interferences of right angle isosceles prism 15.
Referring to Fig. 4, Fig. 5, be another kind of preferred embodiment provided by the present invention.A kind of three-dimensional beam split combination pentaprism of the present invention is to be combined by headprism 14, right angle isosceles prism 15, last right-angle prism 12 and side right angle wedge mirror 18; Right angle isosceles prism 15 is arranged at headprism 14 belows, and just headprism 14 is arranged on the transmitted light path of right angle isosceles prism 15; Last right-angle prism 12 is arranged on the emitting light path of headprism 14; Side right-angle prism 18 is arranged at a side (left side or right hand hay cutter) of headprism 14, just is arranged on the reflected light path of right-angle prism 12.Wherein, the side right angle face 16 of right angle isosceles prism 15 is arranged at the rear side of headprism 14.Isosceles prism 15 times right angle faces 17 in right angle are arranged on the light path of input laser 1; The inclined-plane of right angle isosceles prism 15 is that perhaps the inclined-plane of isosceles prism 15 is provided with beam split plated film 8 to beam split plated film face 8 at the right angle; When input laser 1 this beam split plated film face 8 of process; To import laser 1 and be divided into first reflected light path 2 and the ejaculation of first transmitted light path, 3, the first reflection rays, 2 edge-Y axle positive dirctions, first transmitted light path 3 is directly through headprism 14 outgoing; 1/3, the first transmitted light 3 that its beam split flow control one reflected light 2 is about input laser gross energy is about 2/3 of input laser gross energy.Last right-angle prism 12 is arranged on first transmitted light, 3 light paths of right angle isosceles prism 15; The inclined-plane of last right-angle prism 12 is beam split plated film faces 9; Perhaps on last right-angle prism 12, directly be provided with beam split plated film face 9; First transmitted light 3 of right angle isosceles prism 15 is divided into second reflected light 6 and second transmitted light 7, and its beam split flow control two reflected light 6 are about 1/2 of first transmitted light path, 3 energy, just import 1/3 of laser gross energy; Second transmitted light 7 is about 1/2 of first transmitted light path, 3 energy, just imports 1/3 of laser gross energy; Second transmitted light 7 of last right-angle prism 12 is exported along Z-direction.The long right angle face of side right angle wedge mirror 18 is a fully reflecting surface 10; Or at the side right angle the long right angle face of wedge mirror 18 is provided with fully reflecting surface 10; The effect of the two is the same, and the long right angle face of side right angle wedge mirror 18 is arranged on the light path of second reflected light 6 of right-angle prism 12; The total reflection light 5 of side right angle wedge mirror 18 passes through first reflected light 2 of right angle isosceles prism 15 and the beam split initial point 11 of first transmitted light 3, and exports along X-direction.The beam split plated film face 9 of last right-angle prism 12 and the long right angle reflecting surface 10 of side right angle wedge mirror 18 are provided with above right-angle prism 12 in the locus second reflected light 6 is not a condition with beam split plated film face 8 interferences of right angle isosceles prism 15.
Angle is 45 ° between right angle isosceles prism 15 beam split plated film faces 8 and the following right angle face 17.The outer angle of last right-angle prism 12 beam split plated film faces 9 and its short right angle face 13, and the angle β between the following right angle face 17 of the long right angle reflecting surface 10 of right angle wedge mirror 18 and right angle isosceles prism 15 equates, i.e. α=β.Its angle span is 100 °～130 °.The design of combination pentaprism 21 is that the length with right angle isosceles prism 15 is a key dimension, confirms other physical dimension key elements.The length of right angle isosceles prism 15 is same numerical value, and its numerical range is at 1mm-100mm.
Referring to Fig. 6, a kind of three-dimensional beam split combination pentaprism of the present invention, its side right angle wedge mirror 18 can cut part right angle face, replaces with special-shaped side right angle wedge mirror 22, to save the space.
Claims (6)
1. pentaprism is made up in a three-dimensional beam split, it is characterized in that: said three-dimensional beam split combination pentaprism comprises headprism, right angle isosceles prism, goes up right-angle prism and side right angle wedge mirror; Said right angle isosceles prism, headprism and last right-angle prism are set in turn on the same optical axis; Said side right angle wedge mirror is arranged on the reflected light path of right-angle prism; Said right angle isosceles prism is arranged on the reflected light path of side right angle wedge mirror; Said right angle isosceles prism comprises side right angle face, following right angle face and isosceles prism inclined-plane, right angle; Said right angle face down is arranged on the input path; Said inclined-plane is provided with the beam split plated film, and said input path is divided into first reflected light and first transmitted light behind isosceles prism inclined-plane, right angle; Said first reflected light is surface launching output through the side right angle; Said headprism and last right-angle prism are set in turn on the light path of first transmitted light of right angle isosceles prism; The said right-angle prism of going up comprises the right angle face and goes up the right-angle prism inclined-plane; The said right-angle prism inclined-plane of going up is provided with the beam split plated film; The said right-angle prism inclined-plane of going up is arranged on the light path of first transmitted light after the right angle isosceles prism inclined-plane transmission, and said first transmitted light is divided into second reflected light and second transmitted light behind last right-angle prism inclined-plane; Said second transmitted light is gone out through the face transmission of last right angle; Said side right angle wedge mirror is arranged on the second catoptrical light path after the reflection of last right-angle prism inclined-plane; Said side right angle wedge mirror comprises long right angle face, and said long right angle face is provided with total reflection film; Said long right angle face is arranged on the second catoptrical light path; Said second reflected light forms the 3rd reflected light after the face total reflection of long right angle; Isosceles prism inclined-plane, said right angle is arranged on the formed the 3rd catoptrical light path after the face total reflection of long right angle.
2. three-dimensional beam split combination pentaprism according to claim 1 is characterized in that: described first reflected light, second transmitted light, the 3rd reflected light are through the three-dimensional coordinate initial point, respectively along Y axle, Z axle, X-direction output.
3. three-dimensional beam split combination pentaprism according to claim 1 and 2, it is characterized in that: incident light is an optical alignment laser.
4. three-dimensional beam split combination pentaprism according to claim 3, it is characterized in that: said collimation laser is semiconductor, He-Ne or CO
2Laser.
5. according to the said three-dimensional beam split combination pentaprism of claim 4, it is characterized in that: the material of said headprism, right angle isosceles prism, last right-angle prism and side right angle wedge mirror is optical glass or optical plastic.
6. three-dimensional beam split combination pentaprism according to claim 5 is characterized in that: described side right angle wedge mirror is that right-angle prism is excised or the replacement of special-shaped side right angle wedge mirror.
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| CN 201010601541 CN102096195B (en) | 2010-12-06 | 2010-12-06 | Three-dimensionally spectroscopic combined pentaprism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102436067A (en) * | 2011-09-22 | 2012-05-02 | 福建福晶科技股份有限公司 | Color display color-combining device based on three primary colors of red, green and blue |
| CN102707583A (en) * | 2012-06-15 | 2012-10-03 | 杭州士兰明芯科技有限公司 | Multi-light-beam exposure system and method for manufacturing photonic crystal mask layer |
| CN105824078B (en) * | 2016-04-28 | 2024-06-14 | 东莞市杰普特光电技术有限公司 | Wavelength division multiplexing filter prism of single-fiber four-way component |
| CN107390329B (en) * | 2017-08-24 | 2019-01-04 | 武汉光迅科技股份有限公司 | A kind of unidirectional TAP PD |
| CN109814122A (en) * | 2019-03-13 | 2019-05-28 | 重庆市华阳光学仪器有限公司 | A kind of new pattern laser rangefinder |
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| US7180674B2 (en) * | 2004-05-20 | 2007-02-20 | Quarton, Inc. | Polygonal prism |
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| CN201984226U (en) * | 2010-12-06 | 2011-09-21 | 西安华科光电有限公司 | Three dimensional spectroscopical combination pentaprism |
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| JP5277530B2 (en) * | 2006-10-19 | 2013-08-28 | アイシン精機株式会社 | Optical delay device and optical measuring device including optical delay device |
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| CN1470889A (en) * | 2002-07-22 | 2004-01-28 | 无锡湖光星源光电技术有限责任公司 | Optical colour-mixing prism |
| US7180674B2 (en) * | 2004-05-20 | 2007-02-20 | Quarton, Inc. | Polygonal prism |
| CN101126823A (en) * | 2006-08-14 | 2008-02-20 | 上海飞锐光电科技有限公司 | Tricolor light isosceles trapezoid color-recombination combined prism |
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