CN101222104A - Radio frequency strip laser set outputting linearly polarized light beam having an angle of 45 degree with base plane surface - Google Patents
Radio frequency strip laser set outputting linearly polarized light beam having an angle of 45 degree with base plane surface Download PDFInfo
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- CN101222104A CN101222104A CN 200710191290 CN200710191290A CN101222104A CN 101222104 A CN101222104 A CN 101222104A CN 200710191290 CN200710191290 CN 200710191290 CN 200710191290 A CN200710191290 A CN 200710191290A CN 101222104 A CN101222104 A CN 101222104A
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Abstract
The present invention relates to an RF slab laser complete machine outputting polarized beams at an angle of 45 degrees to a cardinal plane. The present invention comprises an RF slab CO2 laser (1) and a beam transformation device. The beam transformation device comprises an optical transformer I (8), an optical transformer II (9), a plane total-reflection mirror (2) and a cylindrical surface total-reflection mirror (3). The plane total-reflection mirror (2) is inclined at an angle of 45 degrees to the cardinal plane through a 45-degree oblique support I (4) and is arranged on a machine frame (7), and the mirror surface center of the plane total-reflection mirror is arranged on an extension line of an output mirror center line (P-P') of the laser; the emergent beam from the plane total-reflection mirror orthogonally intersects the extension line of the output mirror center line (P-P') of the laser, and is inclined at an angle of 45 degrees to the cardinal plane. The cylindrical surface total-reflection mirror (3) is inclined at an angle of 45 degrees to the cardinal plane through the other 45-degree oblique support II (5) and is arranged on a strut (6), and a connecting line between the mirror surface center of the cylindrical surface total-reflection mirror (3) and the mirror surface center of plane total-reflection mirror (2) is at an included angle of 45 degrees to the cardinal plane; the connecting line orthogonally intersects the direction of the output beam of the laser. The present invention can output the polarized beams at an angle of 45 degrees to the cardinal plane.
Description
Technical field
The present invention relates to a kind of radio-frequency (RF) board bar CO
2The laser complete machine.Be mainly used in the laser cutting of metal material.Belong to laser technology field.
Background technology
Laser cut metal material requirements light beam is a circularly polarized light, and such light cutting metal sheet material is vertical consistent with the joint-cutting width that is parallel to the laser motion direction.Otherwise, linearly polarized light cutting metal sheet material, then joint-cutting width on both direction has tangible difference.For this reason, the manufacturer of laser metal sheet material cutting Digit Control Machine Tool, what wish the LASER Light Source output bought is linearly polarized light beam with cardinal plane (horizontal plane) inclination at 45.Otherwise, also to increase extra device in the beam inlet of Digit Control Machine Tool, in the both direction consistent size, this has increased cost to Digit Control Machine Tool, has also increased difficulty technically with the joint-cutting that guarantees sheet material.
Common radio-frequency (RF) board bar CO
2Optical transform device such as Fig. 1 of laser, in the X-Y coordinate plane, laser output is parallel to the linearly polarized light beam of basal plane, through plane total reflective mirror and the reflection of face of cylinder total reflective mirror, turn back two 90 °, rectangular light beam has become round light beam, and linear polarization still is parallel to basal plane.
By physics, the linearly polarized light that only favours 45 ° of the quarter wave plate total reflective mirror planes of incidence just can convert circularly polarized light to, as Fig. 2.
Common radio-frequency (RF) board bar CO
2Laser, electrode plane generally are parallel to cardinal plane, and output is parallel to the linearly polarized light of electrode plane, as Fig. 3.This light can't directly become circularly polarized light by the quarter wave plate total reflective mirror.
Germany Rofin-Sinar company is in order to satisfy the requirement of Digit Control Machine Tool company to the 45 ° of linearly polarized lights that tilt, and they tilt radio frequency electrode 45 ° to settle from being parallel to cardinal plane, as Fig. 4.Though the structure of Rofin has been exported 45 ° of parallax polarised lights, but because of metal electrode very heavy, brought difficulty for the support of electrode structure, thereby the stability to stability of structure, output light has all been brought very adverse influence, and solve this class problem, just cause the complexity of structure, increased cost.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, the radio frequency strip laser complete machine of a kind of energy output with cardinal plane linearly polarized light beam at 45 is provided, and this complete machine also can satisfy the requirement of Digit Control Machine Tool company to the 45 ° of linearly polarized lights that tilt in the radio frequency electrode plane parallel under the situation of cardinal plane.
The object of the present invention is achieved like this: the radio frequency strip laser complete machine of a kind of output and cardinal plane linearly polarized light beam at 45 comprises radio-frequency (RF) board bar CO
2Laser and optical beam transformation device, described optical beam transformation device comprises optical converter I, optical converter II, plane total reflective mirror and face of cylinder total reflective mirror, described plane total reflective mirror and face of cylinder total reflective mirror are installed in respectively in optical converter I and the optical converter II, described radio-frequency (RF) board bar CO
2Laser is horizontally installed on the support, it is characterized in that:
The described plane total reflective mirror that is installed in the optical converter I favours cardinal plane by 45 ° of oblique bearings and is installed on the support for 45 °, the minute surface center of this plane total reflective mirror places on the extended line of outgoing mirror center line of laser, from the extended line quadrature of the outgoing mirror center line of the light beam of plane total reflective mirror outgoing and laser, and favour 45 ° of basal planes;
The described face of cylinder total reflective mirror that is installed in the another optical converter II favours cardinal plane by another 45 ° of oblique bearings and is installed on the pillar for 45 °, this pillar is installed on the support straight up, and make line and cardinal plane between the minute surface center of the minute surface center of face of cylinder total reflective mirror and plane total reflective mirror be 45 ° of angles, this line and Laser Output Beam direction quadrature.
Radio frequency strip laser complete machine of the present invention is by radio-frequency (RF) board bar CO
2Laser and optical beam transformation device are formed, and also are to have exported the linearly polarized light that favours 45 ° of cardinal planes.Superiority of the present invention is: the still parallel placement of laser internal electrode with basal plane, omitted the trouble of inclination support electrode.Behind laser output laser, the conversion light path that realization 45 ° of inclinations of linearly polarized light beam of the present invention's handle and rectangular light beam become circular light beam combines, thereby exported the circular laser beam that has with 45 ° of linear polarizations of cardinal plane inclination, and the laser internal structure is still simple relatively, stable.
Description of drawings
Fig. 1 is common in the past radio-frequency (RF) board bar CO
2The index path of the optical transform device of laser.
Fig. 2 is the index path that the linearly polarized light that favours 45 ° of the quarter wave plate total reflective mirror planes of incidence converts circularly polarized light to.
Fig. 3 is the installation position figure of common radio frequency strip laser radio frequency electrode.
Fig. 4 is German Rofin-Sinar radio frequency electrode installation position figure.
Fig. 5 is the floor plan schematic diagram of the radio frequency strip laser complete machine of output of the present invention and cardinal plane linearly polarized light beam at 45.
Fig. 6 arranges schematic diagram for the facade of the radio frequency strip laser complete machine of output of the present invention and cardinal plane linearly polarized light beam at 45.
Fig. 7 is the optical beam transformation device index path of the radio frequency strip laser complete machine of output of the present invention and cardinal plane linearly polarized light beam at 45.
Among the figure: radio-frequency (RF) board bar CO
2Laser 1, laser outgoing mirror 1.1, outgoing mirror center line P-P ', outgoing mirror end face A, plane total reflective mirror 2,3,45 ° of oblique bearing I4 of face of cylinder total reflective mirror, 45 ° of oblique bearing II5, pillar 6, support 7, optical converter I8, optical converter II9.
Embodiment
Referring to Fig. 5,6, the radio frequency strip laser complete machine of output that the present invention relates to and cardinal plane linearly polarized light beam at 45 is by radio-frequency (RF) board bar CO
2Laser 1 and optical beam transformation device are formed.Described optical beam transformation device is made up of optical converter I8, optical converter II9, plane total reflective mirror 2,3,45 ° of oblique bearing I4 of face of cylinder total reflective mirror, 45 ° of oblique bearing II5 and pillar 6.Plane total reflective mirror 2 and face of cylinder total reflective mirror 3 are installed in respectively in optical converter I8 and the optical converter II9.
Described radio-frequency (RF) board bar CO
2Laser 1 is horizontally installed on the support 7;
The described plane total reflective mirror 2 that is installed in the optical converter 8I favours 45 ° of cardinal planes by one 45 ° oblique bearing I4 and is installed on the support 7, on the extended line of the outgoing mirror center line P-P ' of the minute surface center O of this plane total reflective mirror 2 ' place laser, from the extended line quadrature of the outgoing mirror center line P-P ' of the light beam of plane total reflective mirror 2 outgoing and laser, and favour 45 ° of basal planes.
The described face of cylinder total reflective mirror 3 that is installed in the optical converter II9 favours 45 ° of cardinal planes by another 45 ° oblique bearing II5 and is installed on the pillar 6, this pillar 6 is installed on the support 7 straight up, and make the minute surface center O of face of cylinder total reflective mirror 3 " and the minute surface center O of plane total reflective mirror 2 ' between line and cardinal plane be 45 ° angle, this line is simultaneously and Laser Output Beam direction quadrature.
Operation principle:
Referring to Fig. 7, the parallel beam of laser emitting incides on the plane total reflective mirror 2 that places three-dimensional coordinate initial point O in X-axis, this mirror is turned back light beam in the Y-Z plane of three-dimensional coordinate and is 45 ° of angles of cut with Y-axis, reenter and be mapped on the face of cylinder total reflective mirror 3 ejaculation after face of cylinder total reflective mirror 3 is turned back the parallel beam X-axis.Record linearly polarized light final and basal plane angle at 45 and circular light beam output laser complete machine through test.
Claims (1)
1. the radio frequency strip laser complete machine of output and cardinal plane linearly polarized light beam at 45 comprises radio-frequency (RF) board bar CO
2Laser (1) and optical beam transformation device, described optical beam transformation device comprises optical converter I (8), optical converter II (9), plane total reflective mirror (2) and face of cylinder total reflective mirror (3), described plane total reflective mirror (2) and face of cylinder total reflective mirror (3) are installed in respectively in optical converter I (8) and the optical converter II (9), described radio-frequency (RF) board bar CO
2Laser (1) is horizontally installed on the support (7), it is characterized in that:
The described plane total reflective mirror (2) that is installed in the optical converter I (8) favours 45 ° of cardinal planes by one 45 ° oblique bearing I (4) and is installed on the support (7), the minute surface center of this plane total reflective mirror places on the extended line of outgoing mirror center line (P-P ') of laser, from the extended line quadrature of the outgoing mirror center line (P-P ') of the light beam of plane total reflective mirror outgoing and laser, and favour 45 ° of basal planes;
The described face of cylinder total reflective mirror (3) that is installed in the another optical converter II (9) favours 45 ° of cardinal planes by another 45 ° oblique bearing II (5) and is installed on the pillar (6), this pillar (6) is installed on the support (7) straight up, and make line and cardinal plane between the minute surface center of the minute surface center of face of cylinder total reflective mirror (3) and plane total reflective mirror (2) be 45 ° of angles, this line and Laser Output Beam direction quadrature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710191290 CN101222104A (en) | 2007-12-13 | 2007-12-13 | Radio frequency strip laser set outputting linearly polarized light beam having an angle of 45 degree with base plane surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710191290 CN101222104A (en) | 2007-12-13 | 2007-12-13 | Radio frequency strip laser set outputting linearly polarized light beam having an angle of 45 degree with base plane surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101222104A true CN101222104A (en) | 2008-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710191290 Pending CN101222104A (en) | 2007-12-13 | 2007-12-13 | Radio frequency strip laser set outputting linearly polarized light beam having an angle of 45 degree with base plane surface |
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| Country | Link |
|---|---|
| CN (1) | CN101222104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101217A (en) * | 2011-02-28 | 2011-06-22 | 深圳市大族激光科技股份有限公司 | Laser cutting device |
-
2007
- 2007-12-13 CN CN 200710191290 patent/CN101222104A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101217A (en) * | 2011-02-28 | 2011-06-22 | 深圳市大族激光科技股份有限公司 | Laser cutting device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |