CN103472653B - A kind of novel acousto-optic modulator utilizing visible ray to locate - Google Patents
A kind of novel acousto-optic modulator utilizing visible ray to locate Download PDFInfo
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- CN103472653B CN103472653B CN201310446480.XA CN201310446480A CN103472653B CN 103472653 B CN103472653 B CN 103472653B CN 201310446480 A CN201310446480 A CN 201310446480A CN 103472653 B CN103472653 B CN 103472653B
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Abstract
The present invention relates to a kind of novel acousto-optic modulator utilizing visible ray to locate, comprise housing, diffraction light input tail optical fiber and first collimator, visible ray input tail optical fiber and the second collimating apparatus, export 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; 3rd collimating apparatus is placed on acousto-optic crsytal light path outgoing side, exports tail optical fiber and is connected with the 3rd collimating apparatus.When acousto-optic drive source of the present invention cuts out, visible ray collimating apparatus is coupled in the 3rd collimating apparatus; When acousto-optic drive source is opened, be coupled into the 3rd collimating apparatus through first collimator.The present invention realizes two kinds of functions on a kind of device simultaneously, and structure is simple, reliable, and cost is low, substantially increases quality and the efficiency of laser marking after being applied to system.<!--1--><pb pnum="1" />
Description
Technical field
The present invention relates to a kind of novel acousto-optic modulator utilizing visible ray to locate, is the another kind of method of carrying out laser marking location in laser application industry.
Background technology
Along with the fast development of laser marking technology and the requirement of product mark quality more and more higher, acousto-optic modulator is more and more wider as the application of a kind of passive device in pulse optical fiber.At present, when 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, and adjustment mirror angle, exports photochromic hot spot, the location before utilizing this red hot spot to carry out mark.This method needs often to adjust catoptron, cumbersome, and the invisible light hot spot being not easy to ensure that mark is used and red hot spot overlap completely.
Summary of the invention
The object of the invention is to the weak point overcoming the problems referred to above, and a kind of novel acousto-optic modulator utilizing visible ray to locate is provided.Acousto-optic modulator of the present invention has the input of two collimating apparatuss and a collimating apparatus output, by the output state of switch control rule visible ray and invisible light.
Technical scheme of the present invention is:
A kind of novel acousto-optic modulator possessing 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, export 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; 3rd collimating apparatus is placed on acousto-optic crsytal light path outgoing side, exports tail optical fiber and is connected with the 3rd collimating apparatus.
Drive source close time, second collimating apparatus input visible ray after acousto-optic crsytal, the 3rd collimating apparatus can be coupled into, and the 3rd collimating apparatus back through, through acousto-optic crsytal, also can be coupled into first collimator.
When drive source is opened, first collimator input laser after acousto-optic crsytal, the 3rd collimating apparatus can be coupled into, and the 3rd collimating apparatus back through, through acousto-optic crsytal, also can be coupled into first collimator.
Two, the left and right end face of acousto-optic crsytal of the present invention all requires the anti-reflection film plating 1064nm and visible wavelength used.
First collimator, the second collimating apparatus are merged into a collimating apparatus by the present invention, and diffraction light input tail optical fiber, visible ray input tail optical fiber are connected with same collimating apparatus.
Compared with traditional mark localization method, the present invention has the following advantages: one, more accurate positioning, the present invention directly increases visible ray function in laser instrument inside, visible ray and laser are reached overlap consistent, and classic method adds positioning function in machine exterior, be difficult to ensure that visible ray overlaps with laser; Two, reliable and stable, traditional visible ray localization method, often along with machine uses for a long time, visible ray location spot can offset, the long period is needed to reorientate, greatly reduce the stability of mark quality, and the present invention goes out, so there is not this problem due to visible ray from laser instrument internal emission; Three, cost is low, and the present invention adds a collimating apparatus on Conventional acousto-optic device just can realize visible ray positioning function, and cost is well below classic method, and this method can find 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, and workable, cost is low.Before this, the introduction of similar approach of being correlated with both at home and abroad.
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, export 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, second collimating apparatus 104 is placed on acousto-optic crsytal 107 light path input side; 3rd collimating apparatus 106 is placed on acousto-optic crsytal 107 light path outgoing side, exports tail optical fiber 105 and is connected with the 3rd collimating apparatus 106.Drive source close time, the second collimating apparatus 104 inputs visible ray after acousto-optic crsytal 107, can be coupled into the 3rd collimating apparatus 106, and the 3rd collimating apparatus 106 back through, through acousto-optic crsytal 107, also can be coupled into first collimator 102; When drive source is opened, first collimator 102 inputs laser after acousto-optic crsytal 107, can be coupled into the 3rd collimating apparatus 106, and the 3rd collimating apparatus 106 back through, through acousto-optic crsytal 107, also can be coupled into first collimator 102.
First collimator 102, second collimating apparatus 104 also can be merged into a collimating apparatus by the present invention, and diffraction light input tail optical fiber 101, visible ray input tail optical fiber 103 are connected with same collimating apparatus.
The visible light source be arranged on laser optical housing is positioned at the light path input side direction of acousto-optic modulator.Before the use, diffraction efficiency will reach the requirement of regulation to acousto-optic modulator on the one hand, and acousto-optic modulator also must be coupled out the visible light spot reaching light quality on the other hand.
As shown in Figure 2, close diffraction light light source, open visible light source, visible ray inputs from visible ray input tail optical fiber 103, the relative angle of acousto-optic crsytal 107, second collimating apparatus 104 and the 3rd collimating apparatus 106 should mix up in advance, the visible ray that second collimating apparatus 104 is coupled out, after acousto-optic crsytal 107 transmission, can be coupled by the 3rd collimating apparatus 106, exports visible light spot from output tail optical fiber 105.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 diffraction light light source, invisible light inputs from diffraction light input tail optical fiber 101, 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, after acousto-optic crsytal 107 diffraction, can be coupled by the 3rd collimating apparatus 106, exports invisible light hot spot from output tail optical fiber 105.For obtaining high-quality hot spot on infrared test card, first collimator 102 and the 3rd collimating apparatus 106 should meet the angle requirement producing 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 easily product and laser head can be adjusted to required relative tertiary location; Then close visible light source, open diffraction light light source, carry out laser marking.Acousto-optic modulator structure of the present invention is simple, only slightly need make improvements the structure of traditional acousto-optic modulator, just quick and precisely can locate invisible glossing up during laser marking, improve quality and the efficiency of laser marking.
Claims (5)
1. the novel acousto-optic modulator utilizing visible ray to locate, comprise housing, diffraction light input tail optical fiber and first collimator, visible ray input tail optical fiber and the second collimating apparatus, export 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; 3rd collimating apparatus is placed on acousto-optic crsytal light path outgoing side, exports tail optical fiber and is connected with the 3rd collimating apparatus.
2. the novel acousto-optic modulator utilizing visible ray to locate according to claim 1, it is characterized in that: when drive source is opened, first collimator input laser is after acousto-optic crsytal, the 3rd collimating apparatus can be coupled into, and the 3rd collimating apparatus back through, through acousto-optic crsytal, also first collimator can be coupled into.
3. the novel acousto-optic modulator utilizing visible ray to locate according to claim 1, it is characterized in that: when drive source cuts out, second collimating apparatus input visible ray is after acousto-optic crsytal, the 3rd collimating apparatus can be coupled into, and the 3rd collimating apparatus back through, through acousto-optic crsytal, also first collimator can be coupled into.
4. the novel acousto-optic modulator utilizing visible ray to locate according to claim 1, is characterized in that: two, the left and right end face of described acousto-optic crsytal all requires the anti-reflection film plating 1064nm and visible wavelength used.
5. the novel acousto-optic modulator utilizing visible ray to locate according to claim 1, 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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| 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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| CN103472653A CN103472653A (en) | 2013-12-25 |
| CN103472653B true 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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| CN103472653A (en) | 2013-12-25 |
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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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