CN203480186U - Novel acoustic optical modulator capable of conducting positioning through visible light - Google Patents
Novel acoustic optical modulator capable of conducting positioning through visible light Download PDFInfo
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- CN203480186U CN203480186U CN201320599176.4U CN201320599176U CN203480186U CN 203480186 U CN203480186 U CN 203480186U CN 201320599176 U CN201320599176 U CN 201320599176U CN 203480186 U CN203480186 U CN 203480186U
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- collimator
- acousto
- collimating apparatus
- optical fiber
- visible ray
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model relates to a novel acoustic optical modulator capable of conducting positioning through visible light. The novel acoustic optical modulator comprises a shell, a diffraction light input tail fiber, a first collimator, a visible light input tail fiber, a second collimator, an output tail fiber, a third collimator and an acoustic optical crystal. The novel acoustic optical modulator is characterized in that the acoustic optical crystal is arranged at the portion, close to the middle, inside the shell, the diffraction light input tail fiber is connected with the first collimator, the visible light input tail fiber is connected with the second collimator, the first collimator and the second collimator are arranged on the light path input side of the acoustic optical crystal, the third collimator is arranged on the light path output side of the acoustic optical crystal, and the output tail fiber is connected with the third collimator. When an acoustic optical driving source is switched off, the visible light input tail fiber is coupled into the third collimator, and when the acoustic optical driving source is switched on, the first collimator is coupled into the third collimator. The two functions are achieved at the same time on the novel acoustic optical modulator, the novel acoustic optical modulator is simple in structure, reliable and low is cost, and after the novel acoustic optical modulator is applied to a system, quality and efficiency of laser marking are improved greatly.
Description
Technical field
The utility model relates to a kind of novel acousto-optic modulator that utilizes visible ray location, 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 as a kind of passive device the application in pulse optical fiber more and more wider.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, adjusts mirror angle, exports photochromic hot spot, utilizes this red hot spot to carry out the location before 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 completely.
Summary of the invention
The purpose of this utility model is to overcome the weak point of the problems referred to above, and a kind of novel acousto-optic modulator that utilizes visible ray location is provided.Acousto-optic modulator of the present utility model has two collimating apparatus inputs and a collimating apparatus output, can control by switch the output state of visible ray and invisible light.
The technical solution of the utility model is:
A kind of novel acousto-optic modulator that possesses 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 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 end face of acousto-optic crsytal of the present utility model all requires to plate the anti-reflection film of 1064nm and visible wavelength used.
The utility model 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.
Compare with traditional mark localization method, the utility model has the following advantages: one, more accurate positioning, the utility model 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, visible ray location spot can be offset, need the long period to reorientate, greatly reduce the stability of mark quality, and the utility model is because visible ray goes out from laser instrument internal emission, so there is not this problem; Three, cost is low, the utility model has increased a collimating apparatus on conventional acousto-optical device just can realize visible ray positioning function, 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 utility model, on a kind of device, is realized 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.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
View when Fig. 2 is embodiment output visible ray of the present utility model.
View when Fig. 3 is embodiment output invisible light of the present utility model.
Embodiment
The utility model will be further described by reference to the accompanying drawings.
As shown in Figure 1, the utility model comprises 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 utility model 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 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 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, make visible ray that the second collimating apparatus 104 is coupled out from acousto-optic crsytal 107 transmissions, can be by the 3rd collimating apparatus 106 couplings, from output tail optical fiber 105 output visible light spot.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 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, make invisible light that first collimator 102 is coupled out from acousto-optic crsytal 107 diffraction, can be by the 3rd collimating apparatus 106 couplings, from output tail optical fiber 105 output invisible light hot spots.For obtain high-quality hot spot on 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 utility model, 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 diffraction light light source, carry out laser marking.Acousto-optic modulator of the present utility model is simple in structure, only need slightly make improvements the structure of traditional acousto-optic modulator, 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 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, is characterized in that: two of the left and right end face of described acousto-optic crsytal 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599176.4U CN203480186U (en) | 2013-09-27 | 2013-09-27 | Novel acoustic optical modulator capable of conducting positioning through visible light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599176.4U CN203480186U (en) | 2013-09-27 | 2013-09-27 | Novel acoustic optical modulator capable of conducting positioning through visible light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203480186U true CN203480186U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320599176.4U Withdrawn - After Issue CN203480186U (en) | 2013-09-27 | 2013-09-27 | Novel acoustic optical modulator capable of conducting positioning through visible light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203480186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472653A (en) * | 2013-09-27 | 2013-12-25 | 武汉锐科光纤激光器技术有限责任公司 | Novel sound and light modulator utilizing visible light for positioning |
-
2013
- 2013-09-27 CN CN201320599176.4U patent/CN203480186U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472653A (en) * | 2013-09-27 | 2013-12-25 | 武汉锐科光纤激光器技术有限责任公司 | Novel sound and light modulator utilizing visible light for positioning |
| CN103472653B (en) * | 2013-09-27 | 2015-10-28 | 武汉锐科光纤激光技术股份有限公司 | A kind of novel acousto-optic modulator utilizing visible ray to locate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151028 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |