CN1576952A - Laser device for generating + shape Light trace and Lens thereof - Google Patents

Laser device for generating + shape Light trace and Lens thereof Download PDF

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Publication number
CN1576952A
CN1576952A CN 200410049585 CN200410049585A CN1576952A CN 1576952 A CN1576952 A CN 1576952A CN 200410049585 CN200410049585 CN 200410049585 CN 200410049585 A CN200410049585 A CN 200410049585A CN 1576952 A CN1576952 A CN 1576952A
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China
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laser
curved surface
unit
aspheric mirror
cruciform
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CN 200410049585
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CN100354695C (en
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林志雄
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TIMES OPTO-ELECTRONIC TECHNOLOGY Co Ltd
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TIMES OPTO-ELECTRONIC TECHNOLOGY Co Ltd
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Abstract

The laser beam generating device generating optical track includes one laser source to emit divergent laser beam, one lens combination unit to refract the laser beam into one parallel laser beam, and one curved surface lens unit to refract further to form two vertically crossed laser beams. One part of the parallel laser beam penetrates the no laser deflection area in the curved surface lens unit before being projected onto the crossed laser point to make the crossed laser beam possess even bright central point. The curved lens unit may be in flat Fresnel lens for easy manufacture, high quality and low manufacture cost.

Description

Produce the laser aid and the eyeglass thereof of cruciform optical track
Technical field
The present invention is relevant laser generator, especially produces the laser generator and the eyeglass of cruciform optical track.
Background technology
In recent years, because the visible light semiconductor laser technique is tending towards ripe, price also descends gradually, therefore uses the product of visible light semiconductor laser also little by little to popularize.Wherein especially with advantages such as laser indicator device (Laser Pointer) because have are easy to carry about with one, easy to use, so increasingly extensive in the use of aspects such as speech, bulletin, teaching.The laser indicator device is arranged again, can produce the cruciform optical track, building is provided or decoratees the dealer, direct irradiation is in body surface, and display horizontal line and perpendicular line make construction more convenient.
No. the 6069748th, United States Patent (USP) discloses a kind of laser generation system (LASER LINEGENERATOR SYSTEM).Be included in the lasing light emitter the place ahead that to send divergencing laser (Diverging laser beam) and put an eyeglass.This eyeglass is concavees lens kenel (Negative opticalpower) on a cross section, be convex lens kenel (Positive optical power) on another cross section, makes divergencing laser after the refraction of eyeglass, can form a laser on photographed object surface.
The inventor once applied for the U.S. and continent patent, and Application No. is 10/142,845, and the continent patent publication No. is CN1375724A.Disclose a kind of cruciform optical track laser generator and eyeglass thereof (CROSS-SHAPED BEAM LASER RAY DEVICE AND LENS).The staggered cylindrical mirror that this camera lens is made up of the alternating share of the crossing cylindrical mirror of two equal diameter.The divergencing laser that lasing light emitter sends produces the cruciform light beam again via the refraction of this camera lens after a convex lens focus.
The divergencing laser that the lasing light emitter of above-mentioned United States Patent (USP) sends has unequal amount on two vertical cross-sections.Its laser generation system can't produce the cruciform laser of equal length and brightness.
Though the staggered cylindrical mirror of the above-mentioned patent application case of inventor can produce the cross laser of equal length and brightness, but under the situation in same laser source, can't look user's needs, strengthen the crevice projection angle of cruciform laser, or the crevice projection angle of shortening cruciform laser, but increase its brightness to increase the distance of projection.Perhaps make cross laser have brighter central point, make central point can throw farther distance, and easier of identification.
Each regional variable thickness sample of cylindrical mirror again, in the cooling procedure of moulding, thicker place, thin place more quick setting becomes solid.Because therefore the asynchronism(-nization) of each zone freezing of cylindrical mirror will adopt intensification, the cooling staggered step of cooling, very waste of manpower and time gradually.If adopt the directly mode of cooling, because of solidifying in some zone of cylindrical mirror, and some does not solidify yet, can make the cylindrical mirror generation local deformation after the moulding, or contains discontinuous vacuum voids at regional area, and becomes defective products.
Summary of the invention
Can not produce bright central point for improving the known laser generation device, and the manufacturing of eyeglass is not easy, the disappearance that fine ratio of product is low and propose the present invention.
Fundamental purpose of the present invention is providing a kind of laser generator, and various aspheric lenses, can the different demand of the person of being used, and produce the cruciform laser optical track of different length and brightness, and have bright central point.
Another object of the present invention is providing a kind of eyeglass of laser generator, is easier to manufacturedly, can improve fine ratio of product and save manufacturing cost.
For achieving the above object, a kind of laser generator that produces the cruciform optical track provided by the invention comprises:
One lasing light emitter can be launched divergencing laser;
One mirror group unit places the Laser emission end of this lasing light emitter;
One aspheric mirror unit, place the ejecting end of this mirror group unit refraction laser, one side of this aspheric mirror unit comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, and the intersection point place of these four curved surfaces has one makes the not zone of deviation of laser;
So that make the divergencing laser of this lasing light emitter emission, be incident upon this mirror group unit, be refracted as parallel beam through this mirror group unit and be incident upon this aspheric mirror unit, be refracted as two again intersects vertically and is cross laser through this aspheric mirror unit, Yi Bufen this parallel beam wherein, that directly passes this aspheric mirror unit makes the not zone of deviation of laser, is incident upon on the intersection point of this two laser, makes this intersection point have brighter luminous point.
The laser generator of described generation cruciform optical track, wherein this make laser not the zone of deviation in the position of the highest point of these curved surfaces.
The laser generator of described generation cruciform optical track, wherein this makes the not position of zone below the highest point of these curved surfaces of deviation of laser.
The laser generator of described generation cruciform optical track, wherein this makes the not zone of deviation of laser, is the through hole on these both sides, aspheric mirror unit of connection.
The laser generator of described generation cruciform optical track, wherein this makes the not zone of deviation of laser, is to have the plane that parallels respectively on these both sides, aspheric mirror unit.
The laser generator of described generation cruciform optical track, wherein this makes the not zone of deviation of laser, Yi Bian be to have at least on these both sides, aspheric mirror unit to have a curved surface.
The laser generator of described generation cruciform optical track, wherein the another side of this aspheric mirror unit becomes one plane.
The laser generator of described generation cruciform optical track, wherein the both sides of this aspheric mirror unit are symmetric shape.
The laser generator of described generation cruciform optical track, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
For achieving the above object, a kind of laser generator that produces the cruciform optical track provided by the invention, it comprises:
One lasing light emitter can be launched divergencing laser;
One mirror group unit places the Laser emission end of this lasing light emitter;
One aspheric mirror unit, place the ejecting end of this mirror group unit refraction laser, one side of this aspheric mirror unit comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, these curved surfaces by its highest point to the both sides bending, the position of the intersection point of these four curved surfaces below these highest points;
So that make the divergencing laser of this lasing light emitter emission, be incident upon this mirror group unit, be refracted as parallel beam through this mirror group unit and be incident upon this aspheric mirror unit, be refracted as two again through this aspheric mirror unit and intersect vertically and be cross laser.
The laser generator of described generation cruciform optical track, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
For achieving the above object, a kind of aspheric mirror provided by the invention unit, be with so that the parallel laser refraction of optical beam is two to intersect vertically and be cross laser, it comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface on one side, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, and the intersection point place of these four curved surfaces has one makes the not zone of deviation of laser;
So that make the parallel laser light beam, be refracted as two intersects vertically and is cross laser through this aspheric mirror unit, Yi Bufen this parallel laser light beam wherein, that directly passes this aspheric mirror unit makes the not zone of deviation of laser, be incident upon on the intersection point of this two laser, make this intersection point have brighter luminous point.
Described aspheric mirror unit, wherein this make laser not the zone of deviation in the position of the highest point of these curved surfaces.
Described aspheric mirror unit, wherein this makes the not position of zone below the highest point of these curved surfaces of deviation of laser.
Described aspheric mirror unit, wherein this makes the not zone of deviation of laser, is the through hole on these both sides, aspheric mirror unit of connection.
Described aspheric mirror unit, wherein this makes the not zone of deviation of laser, is to have the plane that parallels respectively on these both sides, aspheric mirror unit.
Described aspheric mirror unit, wherein this makes the not zone of deviation of laser, Yi Bian be to have at least on these both sides, aspheric mirror unit to have a curved surface.
Described aspheric mirror unit, wherein the another side of this aspheric mirror unit becomes one plane.
Described aspheric mirror unit, wherein the both sides of this aspheric mirror unit are symmetric shape.
Described aspheric mirror unit, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
For achieving the above object, a kind of aspheric mirror provided by the invention unit, be with so that the parallel laser refraction of optical beam is two to intersect vertically and be cross laser, it comprises first surface, second curved surface on one side, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, these curved surfaces by its highest point to the both sides bending, the position of the intersection point of these four curved surfaces below these highest points; So that make the parallel laser light beam, be refracted as two through this aspheric mirror unit and intersect vertically and be cross laser.
Described aspheric mirror unit, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
For achieving the above object, a kind of laser lens that produces the cruciform optical track provided by the invention is the eyeglass that an external form of interlocking cylindrical mirror is made into the Fresnel lens formula; The alternating share that wherein should staggered cylindrical mirror be the crossing cylindrical mirror of two equal diameter made with the light transmission material is formed; So that the laser by laser diode is sent through after the convex lens focus, forms the cruciform light beam via the refraction of staggered cylindrical mirror.
The laser lens of described generation cruciform optical track, wherein the crossing cylindrical mirror of this two equal diameter is the semicylinder mirror.
The laser lens of described generation cruciform optical track, wherein this two cylindrical mirror intersects vertically.
The laser lens of described generation cruciform optical track, wherein this two halves cylindrical mirror intersects vertically.
For achieving the above object, a kind of laser lens that produces the cruciform optical track provided by the invention is the eyeglass that an external form of joining cylindrical mirror is made into the Fresnel lens formula; Wherein this cylindrical mirror that joins is to form with two semicylindrical lenses that two equal diameter that the light transmission material is made become T-shape to join; So that the laser by laser diode is sent through after the convex lens focus, forms the cruciform light beam via the refraction of staggered cylindrical mirror.
Laser generator of the present invention reaches various aspheric lenses, can cooperate the demand of different projection distances, produces the cruciform laser beam optical track of different length and brightness, and can have bright central point.Therefore each regional thickness difference of the eyeglass of Fresnel lens formula of the present invention again is few, and in the cooling procedure of moulding, the mistiming of each zone freezing is few, can adopt the mode of direct cooling, is easier to manufacturedly, can improve fine ratio of product and save manufacturing cost.
Brief description of drawingsfig
Other purposes of the present invention, effect see also graphic illustrated embodiment, are described in detail as follows.
Fig. 1 is the laser generator first embodiment synoptic diagram of the present invention;
Fig. 2 is a schematic cross-section of the aspheric mirror unit among Fig. 1;
Fig. 3 is another schematic cross-section of the aspheric mirror unit among Fig. 1;
Fig. 4 is the schematic cross-section of aspheric mirror of the present invention unit second embodiment;
Fig. 5 is the 3rd embodiment synoptic diagram of laser generator of the present invention;
Fig. 6 is a schematic cross-section of the aspheric mirror unit among Fig. 5;
Fig. 7 is the 4th embodiment synoptic diagram of laser generator of the present invention;
Fig. 8 is a schematic cross-section of the aspheric mirror unit among Fig. 7;
Fig. 9 is the 5th embodiment synoptic diagram of laser generator of the present invention;
Figure 10 is a schematic cross-section of the aspheric mirror unit among Fig. 9;
Figure 11 is another schematic cross-section of the aspheric mirror unit among Fig. 9;
Figure 12 is the schematic cross-section of aspheric mirror of the present invention unit the 6th embodiment;
Figure 13 is the schematic cross-section of aspheric mirror of the present invention unit the 7th embodiment;
Figure 14 is the schematic perspective view of aspheric mirror of the present invention unit the 8th embodiment;
Figure 15 is the schematic perspective view of aspheric mirror of the present invention unit the 9th embodiment;
Figure 16 A, 16B are the schematic cross-section of aspheric mirror of the present invention unit the tenth embodiment generation type;
Figure 17 A, 17B are the schematic cross-section of aspheric mirror of the present invention unit the 11 embodiment generation type;
Figure 18 A, 18B are the schematic cross-section of aspheric mirror of the present invention unit the 12 embodiment generation type;
Figure 19 A, 19B, 19C are the schematic cross-section of the eyeglass generation type of thriteenth embodiment of the invention Fresnel lens formula;
Figure 20 is the schematic cross-section of the eyeglass of fourteenth embodiment of the invention Fresnel lens formula.
Figure 21 A, 21B are the schematic cross-section of the eyeglass generation type of fifteenth embodiment of the invention Fresnel lens formula;
Figure 22 A, 22B are the schematic cross-section after the eyeglass of sixteenth embodiment of the invention Fresnel lens formula forms preceding stereographic map and formation.
Embodiment
See also shown in Figure 1ly, first embodiment of laser generator of the present invention comprises that a mirror group unit 20 (Collimator lens element) and an aspheric mirror unit 30 that a lasing light emitter (Laser source) 10, produces parallel beam form.Lasing light emitter 10 can be launched divergencing laser 11.Mirror group unit 20 places the Laser emission end of lasing light emitter 10.Aspheric mirror unit 30 places the ejecting end of mirror group unit 20 refraction laser.Divergencing laser 11 becomes directional light beam one side in aspheric mirror unit 30 after 20 refractions of mirror group unit, through the refraction of aspheric mirror unit 30, penetrate two laser 41,42 that intersect vertically and be cross by another side again.The parallel beam of a part directly passes the central through hole 31 that aspheric mirror unit 30 is communicated with both sides, is incident upon on the intersection point 43 of laser 41,42, makes intersection point 43 have brighter luminous point.
See also Fig. 1, Fig. 2, shown in Figure 3.The aspheric mirror unit 30 of present embodiment, one side towards mirror group unit 20 be a plane 300, another side comprises first surface 32, second curved surface 33, the 3rd curved surface 34, the 4th curved surface 35.First surface 32 and the 3rd curved surface 34 are the relative edge; Second curved surface 33 and the 4th curved surface 35 are the relative edge; First surface 32, the 3rd curved surface 34 are connected with second curved surface 33 and the 4th curved surface 35 respectively.
As shown in Figure 2, the cross section on the xz plane by aspherical unit shown in Figure 1 30 through holes 31 shows that first surface 32 and the 3rd curved surface 34 and plane 300 form two part cylinders that link to each other.First surface 32 and the 3rd curved surface 34 by with respect to the highest point 321,341 on plane 300 to the both sides bending.The position of through hole 31 below highest point 321,341.As shown in Figure 3, the cross section on the yz plane by aspherical unit shown in Figure 1 30 through holes 31 shows that second curved surface 33 and the 4th curved surface 35 and plane 300 also form two part cylinders that link to each other.
See also shown in Figure 4.The relative edge's of the aspheric mirror unit 51 of second embodiment of the invention curved surface 511,512 is the design of asymmetry.Curved surface 511 has long radius-of-curvature than curved surface 512, and refrangible goes out long laser.Utilize the design of different curve, refrangible goes out the cross laser of different length and brightness.
See also shown in Fig. 5,6.The aspheric mirror unit 52 of third embodiment of the invention, except not having the through hole, all the other shapes are identical with aspheric mirror unit 30 shown in Figure 1, can reflect criss-cross laser, but not have brighter luminous point in criss-cross point of crossing.
See also shown in Fig. 7,8.The aspheric mirror unit 53 of fourth embodiment of the invention, except polishing the recessed intersection point of four curved surfaces 531,532,533,534, it is had outside the facet 535 that parallels with the plane 530 of another side, and all the other shapes are identical with aspheric mirror unit 52 shown in Figure 5.Can penetrate criss-cross laser.
But, can directly pass facet 535 and can be by deviation, so, have brighter luminous point in criss-cross point of crossing because of the parallel beam of a part.
See also shown in Fig. 9,10,11.The aspheric mirror unit 60 of fifth embodiment of the invention, identical with aspheric mirror unit 52 shown in Figure 5, all have four curved surfaces 61,62,63,64.But the intersection point 65 of four curved surfaces 61,62,63,64 is positioned at the highest point with respect to the plane 600 of another side.Four curved surfaces 61,62,63,64 have long radius-of-curvature than four curved surfaces of aspheric mirror unit 52.It is two longer that refrangible goes out, but do not work, and intersects criss- cross laser 66,67.
See also shown in Figure 12.Compare with aspheric mirror unit 60 shown in Figure 9 the aspheric mirror unit 71 of sixth embodiment of the invention, becomes the facet 711 parallel with the plane 710 of another side except polishing intersection point 65 places, and remaining shape is roughly the same.
See also shown in Figure 13.Compare with aspheric mirror unit 71 shown in Figure 12 in the aspheric mirror unit 72 of seventh embodiment of the invention, except having central through hole 721, outside the design that replaces facet 711, all the other shapes are roughly the same.
Aspheric mirror unit 71,72 shown in Figure 12,13 all can reflect criss-cross laser, and have brighter luminous point at the intersection point place.
See also shown in Figure 14.The both sides of the aspheric mirror unit 80 of eighth embodiment of the invention have four curved surfaces respectively, and are identical with four curved surfaces of aspheric mirror unit 52 shown in Figure 5, and both sides are design symmetry, can reflect criss-cross laser.
See also shown in Figure 15.The both sides of the aspheric mirror unit 90 of ninth embodiment of the invention have four curved surfaces respectively, and are identical with four curved surfaces of aspheric mirror unit 60 shown in Figure 9, and both sides are design symmetry, can reflect criss-cross laser.
The place of each curved surface intersection point of aspheric mirror of the present invention unit 80,90, the also processing that can bore a hole respectively or polish becomes one and makes the not zone of deviation of laser, makes the cruciform laser that reflects, and has brighter luminous point in the intersection point place.
See also shown in Figure 16 A, the 16B.The aspheric mirror unit 36 of tenth embodiment of the invention is the external form of eyeglass that spherical mirror unit 30 shown in Figure 2 is made the Fresnel lens formula (Fresnellens) of flat.
The production method of aspheric mirror unit 36, it is the shape that uniformly-spaced is distinguished into most ring-type segments 301,302,303 etc. according to the sphere of aspheric mirror unit 30, form corresponding ring-type segment 361,362,363 etc. in regular turn, can obtain the light refraction effect identical with aspheric mirror unit 30.Aspheric mirror unit 36 can adopt light transmission materials such as glass, crystal or acryl, utilizes the mode of crystal round etching to form the refraction curved surface.
See also shown in Figure 17 A, the 17B.The aspheric mirror unit 54 of eleventh embodiment of the invention is the external form of eyeglass that spherical mirror unit 53 shown in Figure 7 is made the Fresnel lens formula of flat.
See also shown in Figure 18 A, the 18B.The aspheric mirror unit 68 of twelveth embodiment of the invention is the external form of eyeglass that spherical mirror unit 60 shown in Figure 9 is made the Fresnel lens formula of flat.
See also shown in Figure 19 A, 19B, the 19C.The eyeglass of the Fresnel lens formula of thriteenth embodiment of the invention, also can be applicable to the camera lens that other produce the cruciform optical track, for example, make the external form of the eyeglass 82 of corresponding Fresnel lens formula with the staggered cylindrical mirror 81 that is disclosed in aforementioned continent that oneself applies for of inventor and the United States Patent (USP).
See also shown in Figure 20.The eyeglass of the Fresnel lens formula of fourteenth embodiment of the invention is the staggered cylindrical mirror embodiment of another kind that will be disclosed in aforementioned continent of having applied for of inventor and the United States Patent (USP), makes the external form of the eyeglass 83 of corresponding Fresnel lens formula.
See also shown in Figure 21.Fifteenth embodiment of the invention, be the faceted shape of aspheric mirror unit central authorities that changes eleventh embodiment of the invention, make the central authorities of aspheric mirror unit 55 have curved surface 551, utilize the light-focusing function of curved surface 551, make the cruciform laser that reflects, have brighter luminous point in the intersection point place.And aspheric mirror unit 55 made the eyeglass 84 of Fresnel lens formula, the central authorities of eyeglass 84 have curved surface 551.
See also shown in Figure 22 A, the 22B.The eyeglass 85 of the Fresnel lens formula of sixteenth embodiment of the invention, be that Figure 22 A is shown as the cylindrical mirror that joins that two semicylindrical lenses 851,852 that the T type joins are formed, make the external form of eyeglass of the Fresnel lens formula of flat, the cruciform laser that the laser light that is projeced into two semicylindrical lenses, 851,852 interfaces is reflected.
The above record only for utilizing the embodiment of the technology of the present invention content, anyly is familiar with modification, the variation that this skill person uses the present invention to do, and all belongs to claim of the present invention, discloses and be not limited to embodiment.

Claims (27)

1, a kind of laser generator that produces the cruciform optical track is characterized in that, comprising:
One lasing light emitter can be launched divergencing laser;
One mirror group unit places the Laser emission end of this lasing light emitter;
One aspheric mirror unit, place the ejecting end of this mirror group unit refraction laser, one side of this aspheric mirror unit comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, and the intersection point place of these four curved surfaces has one makes the not zone of deviation of laser;
So that make the divergencing laser of this lasing light emitter emission, be incident upon this mirror group unit, be refracted as parallel beam through this mirror group unit and be incident upon this aspheric mirror unit, be refracted as two again intersects vertically and is cross laser through this aspheric mirror unit, Yi Bufen this parallel beam wherein, that directly passes this aspheric mirror unit makes the not zone of deviation of laser, is incident upon on the intersection point of this two laser, makes this intersection point have brighter luminous point.
2, the laser generator of generation cruciform optical track according to claim 1 is characterized in that, wherein this make laser not the zone of deviation in the position of the highest point of these curved surfaces.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 3, wherein this makes the not position of zone below the highest point of these curved surfaces of deviation of laser.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 4, wherein this makes the not zone of deviation of laser, is the through hole on these both sides, aspheric mirror unit of connection.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 5, wherein this makes the not zone of deviation of laser, is to have the plane that parallels respectively on these both sides, aspheric mirror unit.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 6, wherein this makes the not zone of deviation of laser, Yi Bian be to have at least on these both sides, aspheric mirror unit to have a curved surface.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 7, wherein the another side of this aspheric mirror unit becomes one plane.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 8, wherein the both sides of this aspheric mirror unit are symmetric shape.
According to the laser generator of the described generation cruciform of claim 1 optical track, it is characterized in that 9, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
10, a kind of laser generator that produces the cruciform optical track is characterized in that, comprising:
One lasing light emitter can be launched divergencing laser;
One mirror group unit places the Laser emission end of this lasing light emitter;
One aspheric mirror unit, place the ejecting end of this mirror group unit refraction laser, one side of this aspheric mirror unit comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, these curved surfaces by its highest point to the both sides bending, the position of the intersection point of these four curved surfaces below these highest points;
So that make the divergencing laser of this lasing light emitter emission, be incident upon this mirror group unit, be refracted as parallel beam through this mirror group unit and be incident upon this aspheric mirror unit, be refracted as two again through this aspheric mirror unit and intersect vertically and be cross laser.
According to the laser generator of the described generation cruciform of claim 10 optical track, it is characterized in that 11, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
12, a kind of aspheric mirror unit, it is characterized in that, be with so that the parallel laser refraction of optical beam is two to intersect vertically and be cross laser, it comprises first surface, second curved surface, the 3rd curved surface and the 4th curved surface on one side, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, and this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, and the intersection point place of these four curved surfaces has one makes the not zone of deviation of laser;
So that make the parallel laser light beam, be refracted as two intersects vertically and is cross laser through this aspheric mirror unit, Yi Bufen this parallel laser light beam wherein, that directly passes this aspheric mirror unit makes the not zone of deviation of laser, be incident upon on the intersection point of this two laser, make this intersection point have brighter luminous point.
13, according to the described aspheric mirror of claim 12 unit, it is characterized in that, wherein this make laser not the zone of deviation in the position of the highest point of these curved surfaces.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 14, wherein this makes the not position of zone below the highest point of these curved surfaces of deviation of laser.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 15, wherein this makes the not zone of deviation of laser, is the through hole on these both sides, aspheric mirror unit of connection.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 16, wherein this makes the not zone of deviation of laser, is to have the plane that parallels respectively on these both sides, aspheric mirror unit.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 17, wherein this makes the not zone of deviation of laser, Yi Bian be to have at least on these both sides, aspheric mirror unit to have a curved surface.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 18, wherein the another side of this aspheric mirror unit becomes one plane.
19, according to the described aspheric mirror of claim 12 unit, it is characterized in that wherein the both sides of this aspheric mirror unit are symmetric shape.
According to the described aspheric mirror of claim 12 unit, it is characterized in that 20, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
21, a kind of aspheric mirror unit, it is characterized in that, be with so that the parallel laser refraction of optical beam is two to intersect vertically and be cross laser, it comprises first surface, second curved surface on one side, the 3rd curved surface and the 4th curved surface, this first surface and the 3rd curved surface are the relative edge, this second curved surface and the 4th curved surface are the relative edge, this first surface, the 3rd curved surface are connected with this second curved surface and the 4th curved surface respectively, these curved surfaces by its highest point to the both sides bending, the position of the intersection point of these four curved surfaces below these highest points; So that make the parallel laser light beam, be refracted as two through this aspheric mirror unit and intersect vertically and be cross laser.
According to the described aspheric mirror of claim 21 unit, it is characterized in that 22, wherein this aspheric mirror unit is the external form that is made into the eyeglass of Fresnel lens formula.
23, a kind of laser lens that produces the cruciform optical track is characterized in that, is the eyeglass that an external form of interlocking cylindrical mirror is made into the Fresnel lens formula; The alternating share that wherein should staggered cylindrical mirror be the crossing cylindrical mirror of two equal diameter made with the light transmission material is formed; So that the laser by laser diode is sent through after the convex lens focus, forms the cruciform light beam via the refraction of staggered cylindrical mirror.
According to the laser lens of the described generation cruciform of claim 23 optical track, it is characterized in that 24, wherein the crossing cylindrical mirror of this two equal diameter is the semicylinder mirror.
According to the laser lens of the described generation cruciform of claim 24 optical track, it is characterized in that 25, wherein this two cylindrical mirror intersects vertically.
According to the laser lens of the described generation cruciform of claim 24 optical track, it is characterized in that 26, wherein this two halves cylindrical mirror intersects vertically.
27, a kind of laser lens that produces the cruciform optical track is characterized in that, is the eyeglass that an external form of joining cylindrical mirror is made into the Fresnel lens formula; Wherein this cylindrical mirror that joins is to form with two semicylindrical lenses that two equal diameter that the light transmission material is made become the T type to join; So that the laser by laser diode is sent through after the convex lens focus, forms the cruciform light beam via the refraction of staggered cylindrical mirror.
CNB2004100495852A 2003-07-01 2004-06-18 Laser device for generating + shape Light trace and Lens thereof Expired - Fee Related CN100354695C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102326112A (en) * 2009-02-25 2012-01-18 卡尔蔡司公司 The display device that comprises multi-functional eyeglass, manufacturing approach and optical element with fresnel structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10333087A (en) * 1997-06-02 1998-12-18 Nippon Kagaku Eng Kk Cross-shaped optical image projecting device using laser beam
US6195208B1 (en) * 1999-10-20 2001-02-27 Bryan Kok Ann Ngoi Single aspherical lens for de-astigmatism, collimation, and circulation of laser beams
CN1375724A (en) * 2002-04-17 2002-10-23 林志雄 Laser unit to produce crossed light trace and its lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102326112A (en) * 2009-02-25 2012-01-18 卡尔蔡司公司 The display device that comprises multi-functional eyeglass, manufacturing approach and optical element with fresnel structure
US8970961B2 (en) 2009-02-25 2015-03-03 Carl Zeiss Ag Display device comprising multifunction glass, production method and optical element having a fresnel structure

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