CN103472653A - Novel sound and light modulator utilizing visible light for positioning - Google Patents
Novel sound and light modulator utilizing visible light for positioning Download PDFInfo
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- CN103472653A CN103472653A CN201310446480XA CN201310446480A CN103472653A CN 103472653 A CN103472653 A CN 103472653A CN 201310446480X A CN201310446480X A CN 201310446480XA CN 201310446480 A CN201310446480 A CN 201310446480A CN 103472653 A CN103472653 A CN 103472653A
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Abstract
The invention relates to a novel sound and light modulator utilizing visible light for positioning. The novel sound and light modulator comprises a casing, a diffraction light input pigtail, a first collimator, a visible light input pigtail, a second collimator, an output pigtail, a third collimator and a sound and light crystal, and is characterized in that the sound and light crystal is arranged in a position, near the middle, inside the casing, the diffraction light input pigtail is connected with the first collimator, the visible light input pigtail is connected with the second collimator, the first collimator and the second collimator are placed at the light path input side of the sound and light crystal, the third collimator is placed at the light path output side of the sound and light crystal, and the output pigtail is connected with the third collimator. When a sound and light driving source of the novel sound and light modulator is closed, a visible light collimator is coupled into the third collimator, and when the sound and light driving source is opened, the visible light collimator is coupled into the third collimator through the first collimator. The novel sound and light modulator has the advantages that two functions are simultaneously realized on one device, the structure is simple and reliable, the cost is low, and the laser marking quality and the laser marking efficiency are greatly improved after the novel sound and light modulator is applied to a system.
Description
Technical field
The present invention relates to a kind of novel acousto-optic modulator that utilizes the visible ray location, is the another kind of method of carrying out the laser marking location in the laser application industry.
Background technology
Along with the requirement of the fast development of laser marking technology and product mark quality is more and more higher, acousto-optic modulator as a kind of passive device the application in pulse optical fiber more and more wider.At present, when the product laser marking, traditional method is, in laser marking machine inside, red-light source is housed, and a catoptron is housed in laser head inside, adjusts mirror angle, exports photochromic hot spot, utilizes the location before this red hot spot carries out mark.This method needs often to adjust catoptron, cumbersome, and is not easy to guarantee that invisible light hot spot and red hot spot that mark is used overlap fully.
Summary of the invention
The object of the invention is to overcome the weak point of the problems referred to above, and a kind of novel acousto-optic modulator that utilizes the visible ray location is provided.Acousto-optic modulator of the present invention has two collimating apparatus inputs and a collimating apparatus output, can control by switch the output state of visible ray and invisible light.
Technical scheme of the present invention is:
A kind of novel acousto-optic modulator that possesses the visible ray function, comprise housing, diffraction light input tail optical fiber and first collimator, visible ray input tail optical fiber and the second collimating apparatus, output tail optical fiber and the 3rd collimating apparatus, acousto-optic crsytal, it is characterized in that: acousto-optic crsytal is arranged on enclosure interior near middle position, diffraction light input tail optical fiber is connected with first collimator, visible ray input tail optical fiber is connected with the second collimating apparatus, and first collimator, the second collimating apparatus are placed on acousto-optic crsytal light path input side; The 3rd collimating apparatus is placed on acousto-optic crsytal light path outgoing side, and the output tail optical fiber is connected with the 3rd collimating apparatus.
When drive source cuts out, the second collimating apparatus input visible ray, after acousto-optic crsytal, can be coupled into the 3rd collimating apparatus, and the 3rd collimating apparatus oppositely passes through, and through acousto-optic crsytal, also can be coupled into first collimator.
When drive source is opened, first collimator input laser, after acousto-optic crsytal, can be coupled into the 3rd collimating apparatus, and the 3rd collimating apparatus oppositely passes through, and through acousto-optic crsytal, also can be coupled into first collimator.
Two of the left and right of acousto-optic crsytal of the present invention end face all requires to plate the anti-reflection film of 1064nm and visible wavelength used.
The present invention is merged into a collimating apparatus by first collimator, the second collimating apparatus, and diffraction light input tail optical fiber, visible ray input tail optical fiber are connected with same collimating apparatus.
With traditional mark localization method, compare, the present invention has the following advantages: one, more accurate positioning, the present invention is directly in the inner visible ray function that increases of laser instrument, make visible ray and laser reach coincidence consistent, and classic method adds positioning function in machine exterior, be difficult to guarantee that visible ray overlaps with laser; Two, reliable and stable, traditional visible ray localization method, often along with machine uses for a long time, the visible ray location spot can be offset, need the long period to reorientate, greatly reduce the stability of mark quality, and the present invention goes out from the laser instrument internal emission due to visible ray, so there is not this problem; Three, cost is low, and the present invention has increased a collimating apparatus on conventional acousto-optical device just can realize the visible ray positioning function, and cost is well below classic method, and this method can find the mark facula position rapidly and accurately, makes the structure of laser head more simple.The present invention, on a kind of device, realizes two kinds of functions simultaneously, and method is simple, workable, and cost is low.Before this, the not introduction of relevant similar approach both at home and abroad.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
View when Fig. 2 is the specific embodiment of the present invention output visible ray.
View when Fig. 3 is the specific embodiment of the present invention output invisible light.
Embodiment
The invention will be further described by reference to the accompanying drawings.
As shown in Figure 1, the present invention includes housing 100, diffraction light input tail optical fiber 101 and first collimator 102, visible ray input tail optical fiber 103 and the second collimating apparatus 104, output tail optical fiber 105 and the 3rd collimating apparatus 106, acousto-optic crsytal 107, it is characterized in that: it is inner near middle position that acousto-optic crsytal 107 is arranged on housing 100, diffraction light input tail optical fiber 101 is connected with first collimator 102, visible ray input tail optical fiber 103 is connected with the second collimating apparatus 104, and first collimator 102, the second collimating apparatus 104 are placed on acousto-optic crsytal 107 light path input sides; The 3rd collimating apparatus 106 is placed on acousto-optic crsytal 107 light path outgoing sides, and output tail optical fiber 105 is connected with the 3rd collimating apparatus 106.When drive source cuts out, the second collimating apparatus 104 input visible rays, after acousto-optic crsytal 107, can be coupled into the 3rd collimating apparatus 106, and the 3rd collimating apparatus 106 oppositely passes through, and through acousto-optic crsytal 107, also can be coupled into first collimator 102; When drive source is opened, first collimator 102 input laser, after acousto-optic crsytal 107, can be coupled into the 3rd collimating apparatus 106, and the 3rd collimating apparatus 106 oppositely passes through, and through acousto-optic crsytal 107, also can be coupled into first collimator 102.
The present invention also can be merged into a collimating apparatus by first collimator 102, the second collimating apparatus 104, and diffraction light input tail optical fiber 101, visible ray input tail optical fiber 103 are connected with same collimating apparatus.
Be arranged on the light path input side direction that visible light source on the laser optical housing is positioned at acousto-optic modulator.Acousto-optic modulator is before using, and diffraction efficiency will reach the requirement of regulation on the one hand, and acousto-optic modulator also must be coupled out the visible light spot that reaches light quality on the other hand.
As shown in Figure 2, close the diffraction light light source, open visible light source, visible ray is from 103 inputs of visible ray input tail optical fiber, the relative angle of acousto-optic crsytal 107, the second collimating apparatus 104 and the 3rd collimating apparatus 106 should mix up in advance, the visible ray that the second collimating apparatus 104 is coupled out, can be by the 3rd collimating apparatus 106 couplings, from output tail optical fiber 105 output visible light spot from acousto-optic crsytal 107 transmissions.For obtaining high-quality visible light spot, the second collimating apparatus 104 and the 3rd collimating apparatus 106 should be located along the same line, and acousto-optic crsytal 107 both ends of the surface should be vertical with light path.
As shown in Figure 3, close visible light source, open the diffraction light light source, invisible light is from 101 inputs of diffraction light input tail optical fiber, the relative angle of acousto-optic crsytal 107, first collimator 102 and the 3rd collimating apparatus 106 should mix up in advance, the invisible light that first collimator 102 is coupled out, can be by the 3rd collimating apparatus 106 couplings, from output tail optical fiber 105 output invisible light hot spots from acousto-optic crsytal 107 diffraction.For obtain high-quality hot spot on the infrared test card, first collimator 102 and the 3rd collimating apparatus 106 should meet the angle requirement that produces Bragg diffraction, and the one-level light of acousto-optic crsytal 107 diffraction just can be coupled by the 3rd collimating apparatus 106.
Before utilizing acousto-optic modulator mark of the present invention, first open visible light source, with the naked eye can observe the visible light spot on product, so just can easily product and laser head be adjusted to needed relative tertiary location; Then close visible light source, open the diffraction light light source, carry out laser marking.Acousto-optic modulator of the present invention is simple in structure, only need the structure of traditional acousto-optic modulator slightly be made improvements, and the invisible glossing up in the time of just can be to laser marking is quick and precisely located, and has improved quality and the efficiency of laser marking.
Claims (5)
1. a novel acousto-optic modulator that utilizes visible ray location, comprise housing, diffraction light input tail optical fiber and first collimator, visible ray input tail optical fiber and the second collimating apparatus, output tail optical fiber and the 3rd collimating apparatus, acousto-optic crsytal, it is characterized in that: acousto-optic crsytal is arranged on enclosure interior near middle position, diffraction light input tail optical fiber is connected with first collimator, visible ray input tail optical fiber is connected with the second collimating apparatus, and first collimator, the second collimating apparatus are placed on acousto-optic crsytal light path input side; The 3rd collimating apparatus is placed on acousto-optic crsytal light path outgoing side, and the output tail optical fiber is connected with the 3rd collimating apparatus.
2. the novel acousto-optic modulator that utilizes visible ray location according to claim 1, it is characterized in that: when drive source is opened, first collimator input laser is after acousto-optic crsytal, can be coupled into the 3rd collimating apparatus, and the 3rd collimating apparatus is oppositely passed through, through acousto-optic crsytal, also can be coupled into first collimator.
3. the novel acousto-optic modulator that utilizes visible ray location according to claim 1, it is characterized in that: when drive source cuts out, the second collimating apparatus input visible ray is after acousto-optic crsytal, can be coupled into the 3rd collimating apparatus, and the 3rd collimating apparatus is oppositely passed through, through acousto-optic crsytal, also can be coupled into first collimator.
4. the novel acousto-optic modulator that utilizes visible ray location according to claim 1, it is characterized in that: two of the left and right of described acousto-optic crsytal end face all requires to plate the anti-reflection film of 1064nm and visible wavelength used.
5. the novel acousto-optic modulator that utilizes visible ray location according to claim 1, it is characterized in that: first collimator, the second collimating apparatus are merged into a collimating apparatus, and diffraction light input tail optical fiber, visible ray input tail optical fiber are connected with same collimating apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310446480.XA CN103472653B (en) | 2013-09-27 | 2013-09-27 | A kind of novel acousto-optic modulator utilizing visible ray to locate |
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| CN201310446480.XA CN103472653B (en) | 2013-09-27 | 2013-09-27 | A kind of novel acousto-optic modulator utilizing visible ray to locate |
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| CN103472653A true CN103472653A (en) | 2013-12-25 |
| CN103472653B CN103472653B (en) | 2015-10-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315664A (en) * | 2000-02-17 | 2001-10-03 | Jds尤尼费斯公司 | Optical allocation for dynamic gain balancer and adder-subtractor |
| CN1624507A (en) * | 2003-12-03 | 2005-06-08 | 财团法人工业技术研究院 | Fast light searching method for communication element containing two collimators |
| CN202498831U (en) * | 2011-11-11 | 2012-10-24 | 广州市宏安激光科技有限公司 | Laser marker |
| US8369367B1 (en) * | 2009-03-26 | 2013-02-05 | Gao Peiliang | Tunable laser system |
| CN203480186U (en) * | 2013-09-27 | 2014-03-12 | 武汉锐科光纤激光器技术有限责任公司 | Novel acoustic optical modulator capable of conducting positioning through visible light |
-
2013
- 2013-09-27 CN CN201310446480.XA patent/CN103472653B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315664A (en) * | 2000-02-17 | 2001-10-03 | Jds尤尼费斯公司 | Optical allocation for dynamic gain balancer and adder-subtractor |
| CN1624507A (en) * | 2003-12-03 | 2005-06-08 | 财团法人工业技术研究院 | Fast light searching method for communication element containing two collimators |
| US8369367B1 (en) * | 2009-03-26 | 2013-02-05 | Gao Peiliang | Tunable laser system |
| CN202498831U (en) * | 2011-11-11 | 2012-10-24 | 广州市宏安激光科技有限公司 | Laser marker |
| CN203480186U (en) * | 2013-09-27 | 2014-03-12 | 武汉锐科光纤激光器技术有限责任公司 | Novel acoustic optical modulator capable of conducting positioning through visible light |
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| CN103472653B (en) | 2015-10-28 |
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Address after: 430074 East Lake science and technology zone, Wuhan province high tech Avenue, No. 999, the future of science and technology city of the city of Hubei Applicant after: WUHAN RAYCUS FIBER LASER TECHNOLOGIES CO., LTD. Address before: 430223 East Lake New Technology Development Zone, Huazhong University of Science and Technology, Wuhan science and technology park innovation base, building No. 10, building No. Applicant before: Wuhan Raycus Fiber Laser Technologies Co., Ltd. |
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Effective date of registration: 20201010 Address after: 214000 Yanxin Road 578-1, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi Ruike Fiber Laser Technology Co.,Ltd. Address before: 430074 future science and Technology City, 999 hi tech Avenue, East Lake hi tech Zone, Hubei, Wuhan Patentee before: WUHAN RAYCUS FIBER LASER TECHNOLOGIES Co.,Ltd. |
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