CN105445943A - Generation device and method of fractional-order perfect vortex beam - Google Patents
Generation device and method of fractional-order perfect vortex beam Download PDFInfo
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- CN105445943A CN105445943A CN201510995183.XA CN201510995183A CN105445943A CN 105445943 A CN105445943 A CN 105445943A CN 201510995183 A CN201510995183 A CN 201510995183A CN 105445943 A CN105445943 A CN 105445943A
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Abstract
The invention relates to a generation device and generation method of a fractional-order perfect vortex beam. The device comprises a continuous wave laser; a light reflecting mirror is arranged at the advancing direction of a light beam emitted by the continuous wave laser; a pinhole filter, a convex lens I, a polarizer and a beam splitting cube are arranged at the advancing direction of a light beam reflected by the light reflecting mirror; a reflection spatial light modulator is arranged at the advancing direction of a light beam reflected by the beam splitting cube; a light beam reflected by the reflection spatial light modulator passes through the beam splitting cube; and an analyzer, a small-hole diaphragm, a convex lens II and a CCD camera are arranged at the advancing direction of the light beam that passes through the beam splitting cube. The generation method includes the following steps that: a computer is utilized to generate a light intensity pattern containing a cone lens transmittance function and fractional-order vortex beam and plane wave interference, and the light intensity pattern is written into the reflection spatial light modulator; and the power source of the continuous wave laser is switched on, and light is reflected in the device, and the reflected light is collimated, diffracted and reproduced, so that the fractional-order perfect vortex beam can be generated. With the generation device and generation method of the invention adopted, parameter real-time, online and free adjustable and controllable fractional-order perfect vortex beams can be realized. The generation device and generation method can be widely applied to fields such as particle optical manipulation and optical testing.
Description
Technical field
The present invention relates to particulate light to handle and optical testing art, specifically the generation device of the perfect vortex beams of a kind of fractional order and production method.
Background technology
Vortex beams has a wide range of applications in optics trapping, manipulation fine particle etc.Become the very important study hotspot in one, information optics field in recent years.2004, M.V.Berry first system, comprehensively set forth the theoretical foundation [JOpta-PureApplOp, 2004,62:259] of fractional order optical eddy; Subsequently, fractional order vortex beams obtains experimental verification [NewJPhys, 2004,61:71].Fractional order vortex beams can carry more information amount and can provide the particle manipulating more become more meticulous, and becomes the hot subject that the numerous researcher of vortex optical field competitively studies.
The method of current generation vortex beams is a lot, mainly contains mode conversion method, spiral phase plate method and the calculation holographic method etc. based on spatial light modulator.The vortex beams bright ring radius that these methods produce increases with the increase of topological charge, and this characteristic makes vortex beams be difficult to be coupled on a large scale in same optical fiber.2013, the people such as AndreyS.Ostrovsky proposed the concept of perfect vortex, and this vortex beams bright ring radius does not rely on topological charge values [Opt.Lett.38,5342013], but the method all can produce the extra spuious ring of light with perfect vortex beams.2015, PravinVaity etc. by doing Fourier transform to Bessel-Gauss beams, thus obtained the perfect vortex [Opt.Lett., 40,5972015] in integer rank without the extra ring of light.Recently, patent of invention " produces the two-dimensional encoded phase grating of perfect vortex array ", and (publication number is 104808272A, publication date is 2015.07.29), describe a kind of two-dimensional encoded phase grating producing perfect vortex, by the modulation of this two-dimensional encoded phase grating, its Fourier transform face can produce multiple perfect vortex array carrying different topology lotus simultaneously.But the vortex beams that above-mentioned all schemes produce is the perfect vortex in integer rank, and how to produce the perfect vortex beams of fractional order be of this field face difficult problem urgently to be resolved hurrily.
Summary of the invention
The present invention seeks to the deficiency for solving the problems of the technologies described above, providing generation device and the production method of the perfect vortex beams of a kind of fractional order, can realize parameter can the fractional order perfection vortex beams that freely regulates and controls of real-time online.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
The perfect vortex beams generation device of a kind of fractional order, comprises a continuous wave laser; The working direction that described continuous wave laser sends light beam is provided with catoptron, and the light beam working direction after catoptron reflection is provided with pinhole filter, convex lens I, the polarizer and beam-dividing cube successively; Light beam after beam-dividing cube is divided into two bundles, and wherein a branch of is reflected light, and a branch of is transmitted light; Reflected light working direction is provided with reflective spatial light modulator, and the light beam produced after reflective spatial light modulator reflection, through after beam-dividing cube, its working direction is provided with successively analyzer, aperture, convex lens II and CCD camera;
Described reflective spatial light modulator, CCD camera are connected with computing machine respectively; Distance between described pinhole filter and convex lens I is the focal length of convex lens I; Described reflective spatial light modulator is placed on the front focal plane of convex lens II; Described CCD camera is placed on the back focal plane of convex lens II.
Utilize the perfect vortex beams generation device of described fractional order to produce the method for the perfect vortex beams of fractional order, comprise the following steps:
Step one, Practical computer teaching is utilized to contain the plot of light intensity of axicon lens transmittance function and fractional order vortex beams and plane wave interference; Detailed process is as follows:
The electric field of plane wave is expressed as:
Wherein, E
0represent oscillator intensity,
krepresent wave number, z represents propagation distance;
The electric field impinging perpendicularly on the vortex beams on axicon lens is expressed as:
Wherein,
for amplitude constant,
for waist radius,
mfor topological charge number, get mark;
jfor imaginary unit;
The complex amplitude transmittance function of axicon lens is:
In formula,
nfor axicon lens Refractive Index of Material,
afor the cone angle of axicon lens, i.e. the angle of the axicon lens conical surface and baseplane;
kfor wave number,
rfor axicon lens pupil radius;
Vortex beams with the COMPLEX AMPLITUDE of plane wave interference is after axicon lens:
；
Step 2, in conjunction with calculation holographic technology, utilize computing machine by complex amplitude E
1plot of light intensity write reflective spatial light modulator;
Step 3, open continuous wave laser power supply, after the light beam that continuous wave laser sends is reflected by catoptron, enter pinhole filter, then planoconvex lens I and collimate, the light beam after collimation becomes linearly polarized light after the polarizer, is radiated on beam-dividing cube; Light beam after beam-dividing cube is divided into two bundles, and a road is reflected light, and a road is transmitted light; Described folded light beam is radiated on reflective spatial light modulator;
Step 4, the light beam be radiated on reflective spatial light modulator are used for diffraction reconstruction fractional order Bessel-Gauss beams; The Bessel-Gauss beams of diffraction reconstruction, after beam-dividing cube, analyzer and aperture, is radiated on convex lens II and carries out the perfect vortex beams in Fourier transform generating fractional rank;
The perfect vortex beams of step 5, described fractional order is in CCD camera after imaging, and image enters computing machine and carries out subsequent analysis;
Step 6, according to computer analysis results, the perfect vortex beams bright ring radius produced not with fractional order topology charge values m change and change; By axicon lens Refractive Index of Material in regulating step one
nor cone angle
anumerical value, fractional order perfect vortex beams bright ring radius can be regulated.
Beneficial effect: compared with prior art, fractional order of the present invention perfect vortex beams generation device apparatus and method can realize parameter can the fractional order perfection vortex beams that freely regulates and controls of real-time online; Apparatus of the present invention have that principle is succinct, with low cost, parameter can regulate, is easy to the advantage that operates by real-time online; The fields such as the manipulation of particulate light, optic test can be widely used in.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of device of the perfect vortex beams generation device of fractional order of the present invention; Mark in figure: 100, laser instrument, 110, catoptron, 120, pinhole filter, 130, convex lens I, 131, convex lens II, 141, the polarizer, 142, analyzer, 150, beam-dividing cube, 200, reflective spatial light modulator, 210, aperture, 300, CCD camera, 400, computing machine;
Fig. 2 is the perfect vortex beam intensity figure in number of components rank of computer recording.
Embodiment
As shown in the figure, the perfect vortex beams generation device of a kind of fractional order, comprises a continuous wave laser 100; The working direction that described continuous wave laser 100 sends light beam is provided with catoptron 110, and the light beam working direction after catoptron 110 reflects is provided with pinhole filter 120, convex lens I130, the polarizer 141 and beam-dividing cube 150 successively; Light beam after beam-dividing cube 150 is divided into two bundles, and wherein a branch of is reflected light, and a branch of is transmitted light; Reflected light working direction is provided with reflective spatial light modulator 200, the light beam produced after reflective spatial light modulator 200 reflects, through after beam-dividing cube 150, its working direction is provided with successively analyzer 142, aperture 210, convex lens II131 and CCD camera 300;
Described reflective spatial light modulator 200, CCD camera 300 are connected with computing machine 400 respectively; Distance between described pinhole filter 120 and convex lens I130 is the focal length of convex lens I130; Described reflective spatial light modulator 200 is placed on the front focal plane of convex lens II131; Described CCD camera 300 is placed on the back focal plane of convex lens II131.
Utilize the perfect vortex beams generation device of described fractional order to produce the method for the perfect vortex beams of fractional order, comprise the following steps:
Step one, computing machine 400 is utilized to generate plot of light intensity containing axicon lens transmittance function and fractional order vortex beams and plane wave interference; Detailed process is as follows:
The electric field of plane wave is expressed as:
Wherein, E
0represent oscillator intensity,
krepresent wave number, z represents propagation distance;
The electric field impinging perpendicularly on the vortex beams on axicon lens is expressed as:
Wherein,
for amplitude constant,
for waist radius,
mfor topological charge number, get mark;
jfor imaginary unit;
The complex amplitude transmittance function of axicon lens is:
In formula,
nfor axicon lens Refractive Index of Material,
afor the cone angle of axicon lens, i.e. the angle of the axicon lens conical surface and baseplane;
kfor wave number,
rfor axicon lens pupil radius;
Vortex beams with the COMPLEX AMPLITUDE of plane wave interference is after axicon lens:
；
Step 2, in conjunction with calculation holographic technology, utilize computing machine 400 by complex amplitude E
1plot of light intensity write reflective spatial light modulator 200;
Step 3, open continuous wave laser 100 power supply, after the light beam that continuous wave laser 100 sends is reflected by catoptron 110, enter pinhole filter 120, then planoconvex lens I130 to collimate, the light beam after collimation becomes linearly polarized light after the polarizer 141, is radiated on beam-dividing cube 150; Light beam after beam-dividing cube 150 is divided into two bundles, and a road is reflected light, and a road is transmitted light; Described folded light beam is radiated on reflective spatial light modulator 200;
Step 4, the light beam be radiated on reflective spatial light modulator 200 are used for diffraction reconstruction fractional order Bessel-Gauss beams; The Bessel-Gauss beams of diffraction reconstruction, after beam-dividing cube 150, analyzer 142 and aperture 210, is radiated on convex lens II131 and carries out the perfect vortex beams in Fourier transform generating fractional rank;
The perfect vortex beams of step 5, described fractional order is in CCD camera after imaging, and image enters computing machine 400 and carries out subsequent analysis;
Step 6, according to computer analysis results, the perfect vortex beams bright ring radius produced not with fractional order topology charge values m change and change; By axicon lens Refractive Index of Material in regulating step one
nor cone angle
anumerical value, fractional order perfect vortex beams bright ring radius can be regulated.
Embodiment
As shown in Figure 1, the generation device of the perfect vortex beams of a kind of fractional order, comprise a continuous wave laser 100, in this embodiment, continuous wave laser 100 selects wavelength to be 632.8nm, and power is the He-Ne laser instrument of 3mW; The light beam that this continuous wave laser 100 sends enters spatial filter 120 after being reflected by catoptron 110, and then planoconvex lens I130 collimates, and the light beam after collimation becomes linearly polarized light after the polarizer 141, is radiated on beam-dividing cube 150; After beam-dividing cube 150, reflected light is radiated on reflective spatial light modulator 200;
Light beam after beam-dividing cube 150 is divided into two bundles, and a road is reflected light, and a road is transmitted light; Reflected light is radiated on reflective spatial light modulator 200, fractional order Bessel-Gauss beams is produced after reflective spatial light modulator 200 reflects, fractional order Bessel-Gauss beams is radiated on aperture 210 after beam-dividing cube 150, analyzer 142, fractional order Bessel-Gauss beams planoconvex lens II131 Fourier transform after aperture 210 produces the perfect vortex beams of fractional order, the imaging in CCD camera 300 of the perfect vortex beams of fractional order; After be stored into computing machine 400 and analyze;
Distance between described spatial filter 120 and convex lens I130 is the focal length of convex lens I130; Described reflective spatial light modulator 200 is placed on the front focal plane of convex lens II131; Described CCD camera 300 is placed on the back focal plane of convex lens II131; Described reflective spatial light modulator 200, CCD camera 300 are connected with computing machine 400 respectively;
The effect of described reflective spatial light modulator 200 produces fractional order Bessel-Gauss beams; The described polarizer 141 and analyzer 142 are for regulating the beam quality of vortex beams; The effect of described aperture 210 is the first-order diffraction light beams selecting reflective spatial light modulator 200 diffractive light field; The effect of described convex lens II131 carries out Fourier transform to fractional order Bessel-Gauss beams.
A production method for the perfect vortex beams of fractional order, concrete steps are as follows:
Step one, plot of light intensity by utilizing computing machine 400 to produce axicon lens transmittance function and fractional order vortex beams and plane wave interference, detailed process is as follows:
The electric field of plane wave is expressed as:
Wherein, E
0represent oscillator intensity,
krepresent wave number, z represents propagation distance.
The electric field impinging perpendicularly on the vortex beams on axicon lens is expressed as:
Wherein,
for amplitude constant,
for waist radius,
mfor topological charge number, get mark,
jfor imaginary unit;
The complex amplitude amplitude transmittance of axicon lens is:
In formula,
nfor axicon lens Refractive Index of Material,
afor the cone angle of axicon lens, i.e. the angle of the axicon lens conical surface and baseplane;
kfor wave number,
rfor axicon lens pupil radius;
Vortex beams with the COMPLEX AMPLITUDE of plane wave interference is after axicon lens:
Step 2, in conjunction with calculation holographic technology, utilize computing machine 400 by complex amplitude E
1plot of light intensity write reflective spatial light modulator 200;
Step 3, open continuous wave laser 100 power supply, after the light beam that continuous wave laser 100 sends is reflected by total reflective mirror 110, enter pinhole filter 120, then planoconvex lens I130 to collimate, the light beam after collimation becomes linearly polarized light after the polarizer 141, is radiated on beam-dividing cube 150; Light beam after beam-dividing cube 150 is divided into two bundles, and a road is reflected light, and a road is transmitted light; Described folded light beam is radiated on reflective spatial light modulator 200;
Step 4, the light beam be radiated on reflective spatial light modulator 200 are used for diffraction reconstruction fractional order Bessel-Gauss beams; The Bessel-Gauss beams of diffraction reconstruction, after beam-dividing cube 150, analyzer 142 and aperture 210, is radiated on convex lens II131 and carries out the perfect vortex beams in Fourier transform generating fractional rank;
The perfect vortex beams of step 5, described fractional order is in CCD camera 300 after imaging, and image carries out subsequent analysis stored in computing machine 400;
Step 8, Fig. 2 are topological charge values m=2.1 ~ 3.0 in number of components rank perfect vortex beam intensity figure, the figure of computer recording, are spaced apart 0.1 rank; As can be seen from the change of Fig. 2 mesoscale eddies light beam bright ring breach, the perfect vortex beams of fractional order of generation is ideal; In addition, by axicon lens Refractive Index of Material in regulating step one
nor cone angle
anumerical value, fractional order perfect vortex beams bright ring radius can be regulated.Apparatus of the present invention and method can produce the perfect vortex beams of fractional order, and have that principle is succinct, structure simple, can regulate and control online, be easy to the advantage operated.
Claims (2)
1. the perfect vortex beams generation device of fractional order, comprise a continuous wave laser (100), it is characterized in that: the working direction that described continuous wave laser (100) sends light beam is provided with catoptron (110), the light beam working direction after catoptron (110) reflection is provided with pinhole filter (120), convex lens I (130), the polarizer (141) and beam-dividing cube (150) successively; Light beam after beam-dividing cube (150) is divided into two bundles, and wherein a branch of is reflected light, and a branch of is transmitted light; Reflected light working direction is provided with reflective spatial light modulator (200), the light beam produced after reflective spatial light modulator (200) reflection, through after beam-dividing cube (150), its working direction is provided with successively analyzer (142), aperture (210), convex lens II (131) and CCD camera (300);
Described reflective spatial light modulator (200), CCD camera (300) are connected with computing machine (400) respectively; Distance between described pinhole filter (120) and convex lens I (130) is the focal length of convex lens I (130); Described reflective spatial light modulator (200) is placed on the front focal plane of convex lens II (131); Described CCD camera (300) is placed on the back focal plane of convex lens II (131).
2. utilize the perfect vortex beams generation device of fractional order described in claim 1 to produce the method for the perfect vortex beams of fractional order, it is characterized in that: comprise the following steps:
Step one, computing machine (400) is utilized to generate plot of light intensity containing axicon lens transmittance function and fractional order vortex beams and plane wave interference; Detailed process is as follows:
The electric field of plane wave is expressed as:
Wherein, E
0represent oscillator intensity,
krepresent wave number, z represents propagation distance;
The electric field impinging perpendicularly on the vortex beams on axicon lens is expressed as:
Wherein,
for amplitude constant,
for waist radius,
mfor topological charge number, get mark;
jfor imaginary unit;
The complex amplitude transmittance function of axicon lens is:
In formula,
nfor axicon lens Refractive Index of Material,
afor the cone angle of axicon lens, i.e. the angle of the axicon lens conical surface and baseplane;
kfor wave number,
rfor axicon lens pupil radius;
Vortex beams with the COMPLEX AMPLITUDE of plane wave interference is after axicon lens:
；
Step 2, in conjunction with calculation holographic technology, utilize computing machine (400) by complex amplitude E
1plot of light intensity write reflective spatial light modulator (200);
Step 3, open continuous wave laser (100) power supply, the light beam that continuous wave laser (100) sends is by after catoptron (110) reflection, enter pinhole filter (120), then planoconvex lens I (130) collimation, light beam after collimation becomes linearly polarized light after the polarizer (141), is radiated on beam-dividing cube (150); Light beam after beam-dividing cube (150) is divided into two bundles, and a road is reflected light, and a road is transmitted light; Described folded light beam is radiated on reflective spatial light modulator (200);
Step 4, the light beam be radiated on reflective spatial light modulator (200) are used for diffraction reconstruction fractional order Bessel-Gauss beams; The Bessel-Gauss beams of diffraction reconstruction, after beam-dividing cube (150), analyzer (142) and aperture (210), is radiated on convex lens II (131) and carries out the perfect vortex beams in Fourier transform generating fractional rank;
The perfect vortex beams of step 5, described fractional order is in CCD camera after imaging, and image enters computing machine (400) and carries out subsequent analysis;
Step 6, according to computer analysis results, the perfect vortex beams bright ring radius produced not with fractional order topology charge values m change and change; By axicon lens Refractive Index of Material in regulating step one
nor cone angle
anumerical value, fractional order perfect vortex beams bright ring radius can be regulated.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060054793A1 (en) * | 2002-01-16 | 2006-03-16 | The University Of Chicago | Use of multiple optical vortices for pumping, mixing and sorting |
| CN103954367A (en) * | 2014-04-18 | 2014-07-30 | 河南科技大学 | Device for measuring fractional-order optical vortex topology charge values and measuring method thereof |
| CN103983367A (en) * | 2014-04-30 | 2014-08-13 | 河南科技大学 | Fractional vortex beam topological charge value measuring method based on light intensity analysis |
| CN104635344A (en) * | 2015-02-28 | 2015-05-20 | 河南科技大学 | Bessel light beam generating device with adjustable parameters and production method of bessel beam generating device |
| CN105043543A (en) * | 2015-08-27 | 2015-11-11 | 河南科技大学 | Apparatus for generating controllable super-Rayleigh speckle field and method for generating the same |
| CN105115607A (en) * | 2015-08-10 | 2015-12-02 | 河南科技大学 | Apparatus of using cross double slit interference to measure vortex light beam topology load value and method thereof |
| CN205594238U (en) * | 2015-12-24 | 2016-09-21 | 河南科技大学 | Device for generating perfect vortex light beam of fractional order |
-
2015
- 2015-12-24 CN CN201510995183.XA patent/CN105445943B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060054793A1 (en) * | 2002-01-16 | 2006-03-16 | The University Of Chicago | Use of multiple optical vortices for pumping, mixing and sorting |
| CN103954367A (en) * | 2014-04-18 | 2014-07-30 | 河南科技大学 | Device for measuring fractional-order optical vortex topology charge values and measuring method thereof |
| CN103983367A (en) * | 2014-04-30 | 2014-08-13 | 河南科技大学 | Fractional vortex beam topological charge value measuring method based on light intensity analysis |
| CN104635344A (en) * | 2015-02-28 | 2015-05-20 | 河南科技大学 | Bessel light beam generating device with adjustable parameters and production method of bessel beam generating device |
| CN105115607A (en) * | 2015-08-10 | 2015-12-02 | 河南科技大学 | Apparatus of using cross double slit interference to measure vortex light beam topology load value and method thereof |
| CN105043543A (en) * | 2015-08-27 | 2015-11-11 | 河南科技大学 | Apparatus for generating controllable super-Rayleigh speckle field and method for generating the same |
| CN205594238U (en) * | 2015-12-24 | 2016-09-21 | 河南科技大学 | Device for generating perfect vortex light beam of fractional order |
Non-Patent Citations (4)
| Title |
|---|
| JONATHAN LEACH, ET. AL.: "Observation of the vortex structure of a non-integer vortex beam", 《NEW JOURNAL OF PHYSICS》 * |
| M V BERRY, ET. AL.: "Optical vortices evolving from helicoidal integer and fractional phase steps", 《JOURNAL OF OPTICS A: PURE AND APPLIED OPTICS》 * |
| ZHOU GUO-QUAN: "Fractional Fourier transform of Lorentz beams", 《CHINESE PHYSICS B》 * |
| 刘晓云 等: "涡旋光束经过轴棱锥后的聚焦特性", 《激光与光电子学进展》 * |
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