The utility model content
In order to solve the technical matters described in the background technology, the utility model provides a kind of beam splitting laser module.
Technical solution of the present utility model is: the utility model is a kind of beam splitting laser module, comprise body and be set up in parallel first lens mount and second lens mount at this body one end, described first lens mount is provided with horizontal unthreaded hole, and this horizon light outer end of hole is provided with horizontal cylindrical mirror; Described second lens mount is provided with vertical unthreaded hole, and this vertical light outer end of hole is provided with vertical cylindrical mirror; Its special character is that this laser module also comprises laser instrument, focusing optical lens and beam splitting unit; Described laser instrument, focusing optical lens all are arranged in the laser hole of described body below, and described focusing optical lens are arranged on the emitting light path of described laser instrument; Described beam splitting unit comprises beam split level crossing and reflective plane mirror, described beam split level crossing is arranged in the interior branch unthreaded hole of described first lens mount, described reflective plane mirror is provided with in the reflective hole in described second lens mount, and described minute unthreaded hole and described reflective hole are oppositely arranged; Described horizontal unthreaded hole communicates with described minute unthreaded hole, and described vertical unthreaded hole communicates with described reflective hole; Described beam split level crossing is arranged on the emitting light path of described focusing optical lens; Described reflective plane mirror is arranged on the reflected light path of described beam split level crossing; Described horizontal cylindrical mirror is arranged on the transmitted light path of described beam split level crossing, and described vertical cylindrical mirror is arranged on the reflected light path of described reflective plane mirror; Described beam split level crossing is the beam split level crossing that is coated with semi-transparent semi-reflecting film.
Described beam split level crossing comprises the first beam split level crossing, the second beam split level crossing, the 3rd beam split level crossing and the 4th beam split level crossing; The described first beam split level crossing, the second beam split level crossing and the 3rd beam split level crossing are successively set on the emitting light path of described focusing optical lens; Described the 4th beam split level crossing is arranged on the reflected light path of described the 3rd beam split level crossing, and the plane of the 4th beam split level crossing is perpendicular to the reflected light path of described the 3rd beam split level crossing; The transmitted light of the described first beam split level crossing, the second beam split level crossing and the 3rd beam split level crossing is on the same light path in the emergent light of described focusing optical lens; Described reflective plane mirror comprises the first reflective plane mirror, the second reflective plane mirror, the 3rd reflective plane mirror and the 4th reflective plane mirror, and the described first reflective plane mirror is arranged on the reflected light path of the described first beam split level crossing; The described second reflective plane mirror is arranged on the reflected light path of the described first reflective plane mirror; Described the 3rd reflective plane mirror is arranged on the reflected light path of the described second beam split level crossing; Described the 4th reflective plane mirror is arranged on the reflected light path of described the 3rd reflective plane mirror.
The described second reflective plane mirror, the reflected light of the 4th reflective plane mirror, the transmitted light of described the 4th beam split level crossing, reflected light are intersected in the emergent light of described focusing optical lens and perpendicular to this emergent light.
Described beam splitting unit is two; Described beam split laser module comprises the 5th reflective plane mirror, the 6th reflective plane mirror, the 7th reflective plane mirror and the 5th beam split level crossing, described the 5th beam split level crossing is arranged on the emitting light path of described focusing optical lens, and described the 5th reflective plane mirror is arranged on the reflected light path of the 5th beam split level crossing; Described the 6th reflective plane mirror is arranged on the reflected light path of described the 5th reflective plane mirror, and described the 7th reflective plane mirror is arranged on the transmitted light path of described the 5th beam split level crossing; The first beam split level crossing of a beam splitting unit in described two beam splitting unit is arranged on the reflected light path of described the 7th reflective plane mirror; The first beam split level crossing of another beam splitting unit in described two beam splitting unit is arranged on the reflected light path of described the 6th reflective plane mirror.
Described laser instrument comprises first laser instrument and second laser instrument, and described focusing optical lens comprise the first focusing optical lens and the second focusing optical lens; The described first focusing optical lens are arranged on the emitting light path of described first laser instrument, and the described second focusing optical lens are provided with on the emitting light path of described second laser instrument; Described beam split laser module comprises the 8th reflective plane mirror and the 9th reflective plane mirror; Described the 8th reflective plane mirror is arranged on the emitting light path of the described first focusing optical lens, and described the 9th reflective plane mirror is arranged on the emitting light path of the described second focusing optical lens; Described beam splitting unit is two; The first beam split level crossing of a beam splitting unit in described two beam splitting unit is arranged on the reflected light path of described the 8th reflective plane mirror, and the first beam split level crossing of another beam splitting unit in described two beam splitting unit is arranged on the reflected light path of described the 9th reflective plane mirror.
Described beam splitting unit also comprises laser collimation device, and described laser collimation device is arranged on the reflected light path between the described second reflective plane mirror or the 4th reflective plane mirror and the described vertical cylindrical mirror; Described laser collimation device is arranged on the transmitted light path between described the 3rd beam split level crossing or the 4th beam split level crossing and the described horizontal cylindrical mirror; Described laser collimation device comprises concave mirror and is arranged on biconvex mirror on the emitting light path of this concave mirror.
Described beam splitting unit also comprises laser collimation device, and described laser collimation device is arranged on the reflected light path between the described second reflective plane mirror or the 4th reflective plane mirror and the described vertical cylindrical mirror; Described laser collimation device is arranged on the transmitted light path between described the 3rd beam split level crossing or the 4th beam split level crossing and the described horizontal cylindrical mirror; Described laser collimation device comprises concave mirror and is arranged on biconvex mirror on the emitting light path of this concave mirror.
Described beam splitting unit also comprises laser collimation device, and described laser collimation device is arranged on the reflected light path between the described second reflective plane mirror or the 4th reflective plane mirror and the described vertical cylindrical mirror; Described laser collimation device is arranged on the transmitted light path between described the 3rd beam split level crossing or the 4th beam split level crossing and the described horizontal cylindrical mirror; Described laser collimation device comprises concave mirror and is arranged on biconvex mirror on the emitting light path of this concave mirror.
Described laser instrument is semiconductor laser tube or the frequency multiplication assembly of wavelength 400nm-670nm.
Beam splitting laser module compact conformation described in the utility model, and, by its inner beam splitting unit that is provided with, can realize beam splitting to input laser, thereby produce multi beam output laser, having changed the previous laser module of order can only export beam of laser and cause a plurality of laser modules of needs could satisfy the defective of multi beam output laser, significantly reduced the quantity of the laser module of installing on the laser level in gravity Anping or electric Anping and the laser plumbing instrument, dwindle the volume of described laser level and laser plumbing instrument greatly, saved cost; And the utility model is provided with in the top and the bottom of beam splitting laser module body and universal joint, weight connecting interface, is convenient to the use on instrument, to abundant use laser light energy, reduce power consumption, lengthen working hours highly beneficial.
Embodiment
Referring to Fig. 1, beam split laser module described in the utility model comprises body 1, first lens mount 8, second lens mount 9, laser instrument 2, focusing optical lens 3, beam split level crossing 4, reflective plane mirror 5, horizontal cylindrical mirror 6 and vertical cylindrical mirror 7; Be provided with laser instrument 2, focusing optical lens in the laser hole of body 1 lower left, these focusing optical lens 3 are arranged on the emitting light path of laser instrument 2; First lens mount 8 and second lens mount 9 are separately positioned on the below and the top of body 1 right-hand member; Be provided with beam split level crossing 4 in the branch unthreaded hole in first lens mount 8, vertical with minute unthreaded hole horizontal unthreaded hole be set, this horizon light outer end of hole i.e. end face of first lens mount 8 is provided with horizontal cylindrical mirror 6; Be provided with reflective plane mirror 5 in the reflective hole in second lens mount 9, vertical with reflective hole vertical unthreaded hole be set, this vertical light outer end of hole i.e. end face of second lens mount 9 is provided with vertical cylindrical mirror 7.
Beam split level crossing 4 is arranged on the emitting light path of focusing optical lens 3, laser is by behind the focusing optical lens 3, through beam split level crossing 4 input beam is divided into two-way: the one tunnel is transmitted light, penetrate through the horizontal unthreaded hole of first lens mount, 8 right-hand members, the horizontal cylindrical mirror 6 of this horizon light outer end of hole, obtain vertical linear laser beam; Another road is a reflected light, reflexes on the reflective plane mirror 5, reflects by reflective plane mirror 5 again, after vertical unthreaded hole, 7 outputs of vertical cylindrical mirror, obtains horizontal linear laser beam.
First lens mount 8 described in the utility model, second lens mount 9, laser instrument 2, focusing optical lens 3, beam split level crossing 4, reflective plane mirror 5 and horizontal cylindrical mirror 6, vertical cylindrical mirror 7 all are adjustable, by comprehensive adjustment to reach desired beam splitting luminous energy and light quality.Body 1 upper end also is provided with the instrument universal joint cross bore 38 that cooperates is installed, and the lower end is provided with the screw rod 39 that is connected with the instrument weight.
Semiconductor laser tube that laser instrument 2 described in the utility model is wavelength 400nm-670nm or frequency multiplication assembly.
The combination of beam split level crossing 4 and reflective plane mirror 5 mainly is to realize to importing the beam split of laser, therefore this combination can be called spectrophotometric unit, certainly, reflecting unit described here can be to be combined by more beam split level crossing 4, reflective plane mirror 5, depends on the needs of actual beam split.
Referring to shown in Figure 2, beam splitting unit 10 is standard spectrophotometric units of beam split laser module, the first beam split level crossing 12 wherein, the second beam split level crossing 13, the 3rd beam split level crossing 18 are arranged on the light path at emergent light 11 places of focusing optical lens, and the transmitted light of the first beam split level crossing 12, the second beam split level crossing 13 and the 3rd beam split level crossing 18 all coincides with the light path at emergent light 11 places; Emergent light 11 obtains reflected light 20,21,22 and transmitted light 23 through the reflection of the first beam split level crossing 12, the second beam split level crossing 13, the 3rd beam split level crossing 18; Wherein, behind two secondary reflections of reflected light 20 by the first reflective plane mirror 14, the second reflective plane mirror 16, obtain output laser 26; Behind two secondary reflections of reflected light 21 by the 3rd reflective plane mirror 15, the 4th reflective plane mirror 17, obtain output laser 27.
The 4th beam split level crossing 19 is arranged on the light path of reflected light 22, and its plane is vertical with the light path of reflected light 22, and reflected light 22 obtains reflection output laser 24 and transmission output laser 25 by the vertical transmission and the reflection beam splitting of the 4th beam split level crossing 19; Output laser 24,25,26,27 is mutually perpendicular to a plane, and on the optical axis of main light source 11 and vertical this optical axis of the optical axis joint of these four output laser; The optical axis coincidence of output laser 23 and main light source 11.
This shows, by the above-mentioned beam splitting unit 10 output laser 11 that to have realized a branch of input laser be the focusing optical lens, beam splitting is output laser 24,25,26,27 and transmitted light 23, export laser for totally five, thoroughly change present laser module and can only export the present situation of beam of laser, also must reduce the quantity of the laser module of installing on the laser level in present gravity Anping or electric Anping and the laser plumbing instrument, dwindle the volume of described laser level and laser plumbing instrument greatly, saved cost simultaneously.
Above-mentioned beam splitting unit 10 can default beam split be i.e. two to the four bundle output laser of two to four bundle laser outputs also.
Referring to Fig. 3, Fig. 4, be the combination of two beam splitting unit 10.Can beam split be six to ten bundle laser outputs; Beam splitting unit 28,29,30,31 is identical with the formation of beam splitting unit 10.
Wherein, shown in Figure 3 is as main light source, behind focusing optical lens 3 collimations with a laser instrument 2, after 40 beam split of the 5th beam split level crossing, one the tunnel is reflected light, and this reflected light is through the reflection of the 5th reflective plane mirror 41 and the 6th reflective plane mirror 32, as the input light source of beam splitting unit 28; Another road is a transmitted light, through the reflection of the 7th reflective plane mirror 33 input light source as beam splitting unit 29.
Shown in Figure 4 be with two laser instruments promptly first laser instrument 42, second laser instrument 43 as main light source, by the first focusing optical lens 44, the second focusing optical lens, 45 collimations, respectively by the 8th reflective plane mirror 32, the 9th reflective plane mirror 33 input light source as beam splitting unit 30, beam splitting unit 31.
Referring to shown in Figure 5, above-mentioned beam splitting unit 10 and beam splitting unit combination 28,29 or 30,31, the branch ray laser of being exported directly uses as the some shaped laser spot; Also can on output beam split laser optical path, install cylindrical mirror 37 additional, with the output Line of light; Can also install laser collimation device 34 additional before cylindrical mirror 37, the output laser that makes beam splitting unit 10,28,29,30 or 31 outputs to output on the cylindrical mirror 37, to improve the energy and the quality of output laser behind these optical alignment device 34 collimations; Wherein, described laser collimation device is made up of concave mirror 35 and biconvex mirror 36; Concave mirror 35 and biconvex mirror 36 are arranged on the output laser optical path of spectrophotometric unit simultaneously, and on output laser 23,24,25,26 or 27, wherein biconvex mirror 36 is arranged on the emitting light path of concave mirror 35.