CN103217805A - Photoelectricity coaxial collimator of beam expander - Google Patents
Photoelectricity coaxial collimator of beam expander Download PDFInfo
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- CN103217805A CN103217805A CN2012100165857A CN201210016585A CN103217805A CN 103217805 A CN103217805 A CN 103217805A CN 2012100165857 A CN2012100165857 A CN 2012100165857A CN 201210016585 A CN201210016585 A CN 201210016585A CN 103217805 A CN103217805 A CN 103217805A
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- expanding lens
- beam expanding
- laser
- coaxial
- photoelectricity
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Abstract
The invention relates to a photoelectricity coaxial collimator of a beam expander, and is used for solving the technical problem that laser beams are difficult to meet optical and coaxial requirements when the prior beam expander is mounted. The photoelectricity coaxial collimator of the beam expander comprises a cylindrical lens barrel, a laser entry is arranged at one end of the lens barrel, a laser exit is arranged at the other end of the lens barrel, the laser entry end of the lens barrel is connected with a optical fiber head of a laser emitter, the laser exit end of the lens barrel is provided with threads, the lens barrel is matched with an incident end of the beam expander through the threads, both the laser entry and the laser exit are provided with photoresistors, and the photoresistors are provided with round holes through which the laser beams pass. The beam expander solves the problems that coaxiality is difficult to adjust and adjustment degree can not be guaranteed, and can be used in industrial production of such laser process equipment as a tool jig in which collimation beam expander and the laser beam are coaxial.
Description
Technical field
The present invention relates to the coaxial collimating apparatus of a kind of beam expanding lens photoelectricity.
Background technology
After the laser process equipment assembling is finished, need adjust light path, the principle of adjustment is to want each device in the light path to reach necessarily required optics right alignment.Beam expanding lens is as the additional device in the light path, play the effect that increases beam diameter, if but its axis and laser beam misalignment of axe cross conference and cause through expanding laser beam energy behind the bundle along the axle center skewness, as Fig. 1, so will be to influencing the cut quality of laser.It is whether visual laser beam passes through along beam expanding lens light inlet center that beam expanding lens was installed in the past, and error is very big, needs to install repeatedly to adjust, and is not easy to reach the coaxial requirement of optics.
The invention provides the coaxial collimating apparatus of a kind of beam expanding lens photoelectricity, this part is installed in is easy on the beam expanding lens adjust to beam expanding lens and laser beam coaxial.
Summary of the invention
One of technical matters to be solved by this invention is that the installation beam expanding lens that exists in the prior art is whether visual laser beam passes through along beam expanding lens light inlet center, error is very big, need to install repeatedly to adjust, be not easy to reach the coaxial technical matters of optics, a kind of new coaxial collimating apparatus of beam expanding lens photoelectricity is provided, and the coaxial collimating apparatus of this beam expanding lens photoelectricity has easily adjusts to coaxial advantage with beam expanding lens and laser beam.
Two of technical matters to be solved by this invention provides a kind of beam expanding lens with the coaxial collimating apparatus that one of solves the problems of the technologies described above.
Two the beam expanding lens that three of technical matters to be solved by this invention provides that a kind of employing solves the problems of the technologies described above is adjusted the coaxial method of laser beam.
For one of solving the problems of the technologies described above, the technical solution used in the present invention is as follows: the coaxial collimating apparatus of a kind of beam expanding lens photoelectricity, comprise coupling shaft and photoelectric sensor, and photoelectric sensor is gapless to be fixed in the coupling shaft, and photoelectric sensor links to each other with outer computer.
For solve the problems of the technologies described above two, the technical solution used in the present invention is as follows: a kind of beam expanding lens, comprise cylindrical lens barrel and coaxial collimating apparatus, and this collimating apparatus comprises coupling shaft and photoelectric sensor, photoelectric sensor is gapless to be fixed in the coupling shaft, and photoelectric sensor links to each other with outer computer.
For solve the problems of the technologies described above three, the technical solution used in the present invention is as follows: a kind of method that adopts beam expanding lens to regulate laser beams coaxial comprises following step:
A) the described beam expanding lens of claim 2 is installed in the optical system;
B) earlier beam expanding lens axle center and laser beam axle center are adjusted to parallelly, make photoelectric sensor sensitization in translation beam expanding lens position respectively at vertical plane, surface level then;
C) send signal behind the sensor photosensitive, pass to outer computer, draw facula position through the Computing analysis;
D) regulate beam expanding lens and make laser beam beat the coaxial position that the hot spot arrival on sensor pre-sets, guaranteed the right alignment of beam expanding lens and laser beam, promptly finish debuging of beam expanding lens.
The coaxial collimating apparatus of beam expanding lens photoelectricity can also adopt following technical scheme, the coaxial collimating apparatus of beam expanding lens photoelectricity comprises cylindrical lens barrel, lens barrel one end has light inlet, the other end has light-emitting window, the end that lens barrel has light inlet links to each other with the laser fiber head, and the end with light-emitting window has screw thread, and lens barrel cooperates by described screw thread and beam expanding lens incident end, light inlet and light-emitting window have photoresistance respectively, and the photoresistance center has the circular hole that laser beam passes through.Described Circularhole diameter is bigger 1～50 micron than the laser beam diameter that passes through.When laser is penetrated in photoresistance, the photoresistance meeting produces signal.
Method with above-mentioned this collimator adjustment laser beams coaxial, beam expanding lens is installed in the optical system, with beam expanding lens and the coaxial collimating apparatus of beam expanding lens photoelectricity by being threaded togather, regulate subassembly, make laser beam pass through two apertures of the coaxial collimating apparatus of beam expanding lens photoelectricity, if subassembly has or is parallel to optical axis skew is arranged, light all can some drop in the photoresistance, photoresistance will produce signal, all do not have photoreceptor signal when feedback when being adjusted to two photoresistance, beam expanding lens just and laser beam reached the optics right alignment.
The coaxial collimating apparatus of beam expanding lens photoelectricity is the device of and frock and information feedback and one, one end is the threaded hole that cooperates with beam expanding lens incident end, there are two centers to have photoresistance at the near-end of distance beam expanding lens light inlet and far-end than the aperture of the big 0.05mm of laser beam diameter, a clamping turning of device forms, and has guaranteed that the right alignment of threaded hole and aperture has guaranteed that promptly collimating apparatus and beam expanding lens are coaxial.In the time of will being installed in beam expanding lens in the optical system in the light modulation process, with beam expanding lens and the coaxial collimating apparatus of beam expanding lens photoelectricity by being threaded togather, regulating subassembly makes laser beam pass through two apertures of the coaxial collimating apparatus of beam expanding lens photoelectricity, if subassembly tilts or is parallel to optical axis skew is arranged, light all can some drop in the photoresistance, photoresistance will produce signal so, all do not have photoreceptor signal when feedback when being adjusted to two photoresistance, beam expanding lens has just reached the requirement of optics right alignment.
Adopt method of the present invention, solved in the past beam expanding lens in the optical system of packing into, right alignment is difficult to regulate the problem that the precision of adjusting is difficult to guarantee.And easy to operate, be easy to control, obtained better technical effect.
Description of drawings
Fig. 1 is beam expanding lens laser energy distribution schematic diagram when not coaxial.
Fig. 2 is the coaxial collimating apparatus synoptic diagram of beam expanding lens photoelectricity.
Fig. 3 is the coaxial collimating apparatus sectional view of beam expanding lens photoelectricity.
Fig. 4 is for installing the beam expanding lens of the coaxial collimating apparatus of photoelectricity
Fig. 5 is the laser energy distribution schematic diagram after the coaxial collimator adjustment of photoelectricity.
Among Fig. 1,1 is laser fiber bar head; 2 is laser beam; 3 is condenser lens; 4 for laser energy distributes, and 5 is the beam expanding lens axle center; 6 is the laser beam axle center.
Among Fig. 2,1 is photoelectric sensor; 2 is coupling shaft.
Among Fig. 3,1 is photoelectric sensor; 2 is coupling shaft.
Among Fig. 4,1 is laser fiber bar head; 2 is laser beam; 3 is condenser lens; 4 is the coaxial collimating apparatus of photoelectricity; 5 is photoelectric sensor; 6 is coupling shaft.
Among Fig. 5,1 is laser fiber bar head; 2 is laser beam; 3 is condenser lens; 4 are the laser energy distribution.
The invention will be further elaborated below by specific embodiment, but be not limited only to present embodiment.
Specific embodiment
[embodiment 1]
The coaxial collimating apparatus of a kind of beam expanding lens photoelectricity as shown in Figure 2, comprises coupling shaft and photoelectric sensor, and photoelectric sensor is gapless to be fixed in the coupling shaft, and photoelectric sensor links to each other with outer computer.
[embodiment 2]
The coaxial collimating apparatus of a kind of beam expanding lens photoelectricity comprises coupling shaft and photoelectric sensor, and photoelectric sensor is fixed in the coupling shaft with glue is gapless, and photoelectric sensor links to each other with outer computer.Fig. 3 is the coaxial collimating apparatus sectional view of beam expanding lens photoelectricity.
[embodiment 3]
The coaxial collimating apparatus of a kind of beam expanding lens photo-electric is an independent device, is made up of coupling shaft and photoelectric sensor, and photoelectric sensor does not have being fixed on glue of gap dress and connects in the axle.In the time of will being installed in beam expanding lens in the optical system in the light modulation process, earlier be adjusted to parallel with the laser beam axle center beam expanding lens axle center, make photoelectric sensor sensitization in translation beam expanding lens position respectively at vertical plane, surface level then, send signal behind the sensor photosensitive, draw facula position through the Computing analysis, regulating beam expanding lens makes laser beam beat hot spot on sensor to arrive the coaxial position that pre-sets and can finish debuging of beam expanding lens, as Fig. 3, promptly guaranteed the right alignment of beam expanding lens and laser beam.
[embodiment 4]
A kind of beam expanding lens comprises cylindrical lens barrel and coaxial collimating apparatus, and described coaxial collimating apparatus comprises coupling shaft and photoelectric sensor, and photoelectric sensor is gapless to be fixed in the coupling shaft, and photoelectric sensor links to each other with outer computer.
[embodiment 5]
A kind of control method of coaxial laser light beam comprises following step:
A) embodiment 4 described beam expanding lenss are installed in the optical system;
B) earlier beam expanding lens axle center and laser beam axle center are adjusted to parallelly, make photoelectric sensor sensitization in translation beam expanding lens position respectively at vertical plane, surface level then;
C) send signal behind the sensor photosensitive, pass to outer computer, draw facula position through the Computing analysis;
D) regulate beam expanding lens and make laser beam beat the coaxial position that the hot spot arrival on sensor pre-sets, guaranteed the right alignment of beam expanding lens and laser beam, promptly finish debuging of beam expanding lens.
The coaxial collimating apparatus of described beam expanding lens photo-electric is an independent device.Be made up of coupling shaft and photoelectric sensor, photoelectric sensor does not have being fixed on glue of gap dress and connects in the axle.In the time of will being installed in beam expanding lens in the optical system in the light modulation process, earlier be adjusted to parallel with the laser beam axle center beam expanding lens axle center, make photoelectric sensor sensitization in translation beam expanding lens position respectively at vertical plane, surface level then, send signal behind the sensor photosensitive, draw facula position through the Computing analysis, regulating beam expanding lens makes laser beam beat hot spot on sensor to arrive the coaxial position that pre-sets and can finish debuging of beam expanding lens, promptly guaranteed the right alignment of beam expanding lens and laser beam, as Fig. 4.
[embodiment 6]
A kind of control method of coaxial laser light beam, beam expanding lens is installed in the optical system, with beam expanding lens and the coaxial collimating apparatus of beam expanding lens photoelectricity by being threaded togather, regulate subassembly, make laser beam pass through two apertures of the coaxial collimating apparatus of beam expanding lens photoelectricity, if subassembly has or is parallel to optical axis skew is arranged, light all can some drop in the photoresistance, photoresistance will produce signal, all do not have photoreceptor signal when feedback when being adjusted to two photoresistance, beam expanding lens just and laser beam reached the optics right alignment.
Described beam expanding lens, comprise cylindrical lens barrel and coaxial collimating apparatus, described coaxial collimating apparatus comprises cylindrical lens barrel, and lens barrel one end has light inlet, the other end has light-emitting window, the end that lens barrel has light inlet links to each other with the laser fiber head, and the end with light-emitting window has screw thread, and lens barrel cooperates by described screw thread and beam expanding lens incident end, light inlet and light-emitting window have photoresistance respectively, and the photoresistance center has the circular hole that laser beam passes through.Described Circularhole diameter is bigger 20 microns than the laser beam diameter that passes through.A part drops in the photoresistance, and photoresistance will produce signal so.
[embodiment 7]
The coaxial collimating apparatus of beam expanding lens photoelectricity is the device of and frock and information feedback and one, one end is the threaded hole that cooperates with beam expanding lens incident end, there are two centers to have photoresistance at the near-end of distance beam expanding lens light inlet and far-end than the aperture of the big 0.05mm of laser beam diameter, a clamping turning of device forms, and has guaranteed that the right alignment of threaded hole and aperture has guaranteed that promptly collimating apparatus and beam expanding lens are coaxial.In the time of will being installed in beam expanding lens in the optical system in the light modulation process, with beam expanding lens and the coaxial collimating apparatus of beam expanding lens photoelectricity by being threaded togather, regulating subassembly makes laser beam pass through two apertures of the coaxial collimating apparatus of beam expanding lens photoelectricity, if subassembly has or is parallel to optical axis skew is arranged, light all can some drop in the photoresistance, photoresistance will produce signal so, all there be not photoreceptor signal when feedback when being adjusted to two photoresistance, beam expanding lens has just reached the requirement of optics right alignment, as shown in Figure 3.
Beam expanding lens of the present invention had solved in the past beam expanding lens in the optical system of packing into, and right alignment is difficult to regulate the problem that the precision of adjusting is difficult to guarantee.
Claims (5)
1. the coaxial collimating apparatus of beam expanding lens photoelectricity comprises coupling shaft and photoelectric sensor, and photoelectric sensor is gapless to be fixed in the coupling shaft, and photoelectric sensor links to each other with outer computer.
2. the coaxial collimating apparatus of beam expanding lens photoelectricity according to claim 1 is characterized in that described beam expanding lens is installed in the optical system.
3. the coaxial collimating apparatus of beam expanding lens photoelectricity according to claim 1 is characterized in that described beam expanding lens axle center and laser beam axis parallel.
4. the coaxial collimating apparatus of beam expanding lens photoelectricity according to claim 1 is characterized in that sending signal behind the described sensor photosensitive, passes to outer computer, draws facula position through the Computing analysis.
5. the coaxial collimating apparatus of beam expanding lens photoelectricity according to claim 1 is characterized in that regulating beam expanding lens and makes laser beam beat facula position on sensor, guarantees the right alignment of beam expanding lens and laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100165857A CN103217805A (en) | 2012-01-19 | 2012-01-19 | Photoelectricity coaxial collimator of beam expander |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100165857A CN103217805A (en) | 2012-01-19 | 2012-01-19 | Photoelectricity coaxial collimator of beam expander |
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| CN103217805A true CN103217805A (en) | 2013-07-24 |
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| CN2012100165857A Pending CN103217805A (en) | 2012-01-19 | 2012-01-19 | Photoelectricity coaxial collimator of beam expander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462965A (en) * | 2017-08-04 | 2017-12-12 | 柳州长虹机器制造公司 | A kind of adjustment method of infrared lens orientation assembling |
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| US5818645A (en) * | 1996-07-16 | 1998-10-06 | Management Graphics, Inc. | Multimode optical source and image scanning apparatus using the same |
| CN101266194A (en) * | 2007-08-27 | 2008-09-17 | 温州医学院眼视光研究院 | High precision image quality detection system for optical eye lens |
| US20100118283A1 (en) * | 2008-09-19 | 2010-05-13 | Mitsubishi Electric Corporation | Light source unit and image displaying apparatus using the same |
| CN101771468A (en) * | 2009-12-24 | 2010-07-07 | 中国科学院安徽光学精密机械研究所 | Correction system of laser atmospheric transmission inclination |
| CN101995664A (en) * | 2010-09-17 | 2011-03-30 | 北京工业大学 | Laser beam transformation shaper outputting uniform linear spots |
| CN102004319A (en) * | 2010-09-30 | 2011-04-06 | 深圳市大族激光科技股份有限公司 | Ultraviolet zoom beam expander |
-
2012
- 2012-01-19 CN CN2012100165857A patent/CN103217805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5818645A (en) * | 1996-07-16 | 1998-10-06 | Management Graphics, Inc. | Multimode optical source and image scanning apparatus using the same |
| CN101266194A (en) * | 2007-08-27 | 2008-09-17 | 温州医学院眼视光研究院 | High precision image quality detection system for optical eye lens |
| US20100118283A1 (en) * | 2008-09-19 | 2010-05-13 | Mitsubishi Electric Corporation | Light source unit and image displaying apparatus using the same |
| CN101771468A (en) * | 2009-12-24 | 2010-07-07 | 中国科学院安徽光学精密机械研究所 | Correction system of laser atmospheric transmission inclination |
| CN101995664A (en) * | 2010-09-17 | 2011-03-30 | 北京工业大学 | Laser beam transformation shaper outputting uniform linear spots |
| CN102004319A (en) * | 2010-09-30 | 2011-04-06 | 深圳市大族激光科技股份有限公司 | Ultraviolet zoom beam expander |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462965A (en) * | 2017-08-04 | 2017-12-12 | 柳州长虹机器制造公司 | A kind of adjustment method of infrared lens orientation assembling |
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Application publication date: 20130724 |