CN107561666B - Polarizing plate based on metal nano grating and manufacturing method thereof - Google Patents
Polarizing plate based on metal nano grating and manufacturing method thereof Download PDFInfo
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- CN107561666B CN107561666B CN201711014450.6A CN201711014450A CN107561666B CN 107561666 B CN107561666 B CN 107561666B CN 201711014450 A CN201711014450 A CN 201711014450A CN 107561666 B CN107561666 B CN 107561666B
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Abstract
The invention discloses a polaroid based on a metal nanometer grating and a manufacturing method thereof, the polaroid comprises an angle adjusting mechanism, a polaroid body and a control board, one side of the angle adjusting mechanism is connected with the control board through a wire, the polaroid body is arranged at the top of the angle adjusting mechanism, the control board is electrically connected with the angle adjusting mechanism, the angle adjusting mechanism comprises a pointer, a first threaded rod, a chute, a scale bar, a support column, a second threaded rod, a base, a moving bar, a first gear, a connecting rod, a servo motor, a gear bar, a sliding block, a sliding rail, a second gear and a driving gear, a chute is arranged at one side of the base, a scale bar is fixed at the upper part of the chute through a bolt, a support column is fixed at the center of the top of the base through welding, and the top of the support column is connected with the polaroid body through a universal hinge.
Description
Technical Field
The invention relates to the field of polaroids, in particular to a polaroid based on a metal nano grating and a manufacturing method thereof.
Background
A micro-polarizer array is a device for measuring the intensity of light in each polarization direction after light passes through polarizers in different directions, and an image sensor (e.g., a digital camera) is used to acquire an image containing each polarization component obtained by the micro-polarizer array, and real-time phase shift analysis can be performed. The micro-polarizer array has wide application potential in the fields of real-time phase shift of interference light, weak visible light image enhancement, infrared target identification and the like. Polarizing plates can be generally classified into conventional polarizing plates such as reflective polarizing plates, refractive polarizing plates, dichroic polarizing plates, birefringent crystal polarizing plates, and grating polarizing plates. The traditional polaroid has overlarge volume and complex manufacturing process, has large extinction ratio only in a smaller wavelength range, and can not meet the requirements of light weight, ultra-thin type and low cost in the display industry; meanwhile, the existing polaroid also has no function of adjusting the angle.
Therefore, how to design a polarizer based on metal nano-grating and a manufacturing method thereof becomes the current problem to be solved.
Disclosure of Invention
The invention aims to provide a polaroid based on a metal nano grating and a manufacturing method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a polaroid based on metal nanometer grating, includes angle adjustment mechanism, polaroid body and control panel, one side of angle adjustment mechanism is connected with the control panel through the wire, the polaroid body is installed at angle adjustment mechanism's top, control panel electric connection angle adjustment mechanism.
According to the technical scheme, angle adjustment mechanism includes pointer, first threaded rod, spout, scale strip, support column, second threaded rod, base, removal strip, first gear, connecting rod, servo motor, gear strip, slider, slide rail, second gear and driving gear, the spout has been seted up to one side of base, the upper portion of spout has the scale strip through the bolt fastening, the top center department of base has the support column through welded fastening, and the top of support column passes through universal hinge and polarizer body coupling, bottom inner wall center department of base has the slide rail through bolt fastening, two sliders are installed to the symmetry on the slide rail, and two sliders pass through the removal strip to be connected, one side of removal strip is through welded fastening has the gear strip, the connecting rod is installed at the opposite side center department of removal strip, and the connecting rod passes spout and air contact, the top of connecting rod is through the bolt fastening and is had the pointer, the pointer uses with the scale strip cooperation, first gear and second gear are all connected with the meshing of gear strip through universal hinge and polarizer body coupling, first gear and second gear are all connected with the rotation center motor has the second threaded rod and the second gear to pass through the center motor, the second gear is connected with the center of rotation center of the base and the first threaded rod has the centre of rotation, the second gear is connected with the centre of the base through the centre of the rotation of the pole.
According to the technical scheme, the thread directions of the first threaded rod and the second threaded rod are opposite.
According to the technical scheme, the polaroid body comprises a substrate, a first metal layer, grooves, grating medium layers, a second metal layer and a third metal layer, wherein the first metal layer is arranged at the top of the substrate, a plurality of grating medium layers are uniformly distributed at the top of the first metal layer, the grooves are formed between the two grating medium layers, the second metal layer is arranged at the top of the grating medium layers, and the third metal layer is arranged at the bottom of the grooves.
According to the technical scheme, the refractive index of the grating medium layer is between 1.4 and 2.4.
According to the technical scheme, the substrate and the grating medium layer are made of transparent flexible materials or glass.
A manufacturing method of a polaroid based on a metal nano grating comprises the following steps:
1) Plating a first metal layer on a substrate and drying;
2) Forming a grating medium layer on the first metal layer by using a grating template;
3) Forming a second metal layer and a third metal layer on the surface of the grating dielectric layer by using a physical sputtering method to obtain a polaroid structure of the metal nano grating;
4) And cleaning and trimming the polaroid structure of the metal nano grating.
According to the technical scheme, the drying treatment in the step 1) adopts hot plate or oven baking, the baking temperature is 120-220 ℃, and the baking time is 10-60 minutes.
According to the technical scheme, the first metal layer and the grating medium layer in the step 2) are manufactured through a nano imprinting method.
According to the technical scheme, the step 4) cleaning adopts butanone to carry out ultrasonic treatment or O 2 And (5) removing plasma.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the angle of the polaroid body is conveniently adjusted by the angle adjusting mechanism, so that the convenience of use is effectively improved; the servo motor is operated through the control panel, so that the gear bar is conveniently driven to move, the first gear and the second gear are then driven to rotate, meanwhile, the directions of threads of the first threaded rod and the second threaded rod are opposite, the polaroid body is conveniently driven to adjust the angle, and the convenience of use is effectively improved; the moving bar moves, so that the pointer is conveniently driven to move, the rotation angle is conveniently displayed, and the convenience of use is effectively improved; the transmission efficiency of TM polarized light can be effectively improved by adjusting the polarizer body.
Drawings
FIG. 1 is a schematic view of the overall structure of a polarizer of the present invention;
FIG. 2 is a schematic view of the internal structure of the angle adjusting mechanism of the present invention;
FIG. 3 is a schematic view of the body structure of the polarizer of the present invention;
reference numerals in the drawings: 1. an angle adjusting mechanism; 2. a pointer; 3. a first threaded rod; 4. a chute; 5. a scale bar; 6. a support column; 7. a polarizer body; 8. a second threaded rod; 9. a control board; 10. a base; 11. moving the bar; 12. a first gear; 13. a connecting rod; 14. a servo motor; 15. a gear strip; 16. a slide block; 17. a slide rail; 18. a second gear; 19. a drive gear; 20. a substrate; 21. a first metal layer; 22. a groove; 23. a grating dielectric layer; 24. a second metal layer; 25. and a third metal layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention provides a polarizer based on a metal nano grating, which comprises an angle adjusting mechanism 1, a polarizer body 7 and a control board 9, wherein one side of the angle adjusting mechanism 1 is connected with the control board 9 through a wire, the polarizer body 7 is arranged at the top of the angle adjusting mechanism 1, and the control board 9 is electrically connected with the angle adjusting mechanism 1.
According to the technical scheme, the angle adjusting mechanism 1 comprises a pointer 2, a first threaded rod 3, a sliding groove 4, a scale bar 5, a supporting column 6, a second threaded rod 8, a base 10, a moving bar 11, a first gear 12, a connecting rod 13, a servo motor 14, a gear bar 15, a sliding block 16, a sliding rail 17, a second gear 18 and a driving gear 19, wherein the sliding groove 4 is arranged on one side of the base 10, the scale bar 5 is fixed on the upper part of the sliding groove 4 through bolts, the supporting column 6 is fixed on the center of the top of the base 10 through welding, the top of the supporting column 6 is connected with the polaroid body 7 through a universal hinge, the sliding rail 17 is fixed on the center of the inner wall of the bottom of the base 10 through bolts, two sliding blocks 16 are symmetrically arranged on the sliding rail 17, the two sliding blocks 16 are connected through the moving bar 11, the gear bar 15 is fixed on one side of the moving bar 11 through welding, a connecting rod 13 is arranged at the center of the other side of the moving bar 11, the connecting rod 13 passes through the sliding groove 4 to be in contact with air, a pointer 2 is fixed at the top of the connecting rod 13 through a bolt, the pointer 2 is matched with the scale bar 5 for use, a first gear 12 and a second gear 18 are symmetrically arranged at two sides of the gear bar 15 respectively, the first gear 12 and the second gear 18 are respectively meshed with the gear bar 15, a first threaded rod 3 is rotationally connected at the center of the first gear 12, a second threaded rod 8 is rotationally connected at the center of the second gear 18, the first threaded rod 3 and the second threaded rod 8 are respectively connected with two corresponding sides of the polaroid body 7 through a base 10, a driving gear 19 is meshed at the center of the gear bar 15, the center of the driving gear 19 is connected with an output shaft of a servo motor 14, the servo motor 14 is fixed on the inner wall at the bottom of the base 10 through a bolt, the control board 9 is electrically connected to the servo motor 14.
According to the above technical solution, the thread directions of the first threaded rod 3 and the second threaded rod 8 are opposite.
According to the above technical solution, the polarizer body 7 includes a substrate 20, a first metal layer 21, a groove 22, a grating dielectric layer 23, a second metal layer 24 and a third metal layer 25, the first metal layer 21 is disposed on the top of the substrate 20, a plurality of grating dielectric layers 23 are uniformly distributed on the top of the first metal layer 21, the groove 22 is formed between the two grating dielectric layers 23, the second metal layer 24 is disposed on the top of the grating dielectric layer 23, and the third metal layer 25 is disposed on the bottom of the groove 22.
According to the above technical solution, the refractive index of the grating medium layer 23 is between 1.4 and 2.4.
According to the above technical solution, both the substrate 20 and the grating medium layer 23 are made of transparent flexible material or glass.
A manufacturing method of a polaroid based on a metal nano grating comprises the following steps:
1) Plating a first metal layer on a substrate and drying;
2) Forming a grating medium layer on the first metal layer by using a grating template;
3) Forming a second metal layer and a third metal layer on the surface of the grating dielectric layer by using a physical sputtering method to obtain a polaroid structure of the metal nano grating;
4) And cleaning and trimming the polaroid structure of the metal nano grating.
According to the technical scheme, the drying treatment in the step 1) adopts a hot plate or an oven for baking, the baking temperature is 120-220 ℃, and the baking time is 10-60 minutes.
According to the technical scheme, the first metal layer and the grating medium layer in the step 2) are manufactured through a nano imprinting method.
According to the technical scheme, step 4) washing adopts butanone to carry out ultrasonic treatment or O 2 And (5) removing plasma.
Based on the above, the invention has the advantages that the angle of the polaroid body 7 is convenient to adjust by the angle adjusting mechanism 1, and the convenience of use is effectively improved; the servo motor 14 is operated by controlling the control panel 9, so that the gear bar 15 is conveniently driven to move, the first gear 12 and the second gear 18 are then driven to rotate, meanwhile, the threads of the first threaded rod 3 and the second threaded rod 8 are opposite in direction, the polaroid body 7 is conveniently driven to adjust the angle, and the convenience of use is effectively improved; the moving bar 11 moves, so that the pointer 2 is conveniently driven to move, the rotation angle is conveniently displayed, and the convenience of use is effectively improved; the transmission efficiency of the TM polarized light can be effectively improved by adjusting the polarizer body 7.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A polaroid based on metal nano grating is characterized in that: the device comprises an angle adjusting mechanism (1), a polaroid body (7) and a control board (9), wherein one side of the angle adjusting mechanism (1) is connected with the control board (9) through a wire, the polaroid body (7) is arranged at the top of the angle adjusting mechanism (1), and the control board (9) is electrically connected with the angle adjusting mechanism (1);
the angle adjusting mechanism (1) comprises a pointer (2), a first threaded rod (3), a sliding groove (4), a scale bar (5), a supporting column (6), a second threaded rod (8), a base (10), a moving bar (11), a first gear (12), a connecting rod (13), a servo motor (14), a gear bar (15), a sliding block (16), a sliding rail (17), a second gear (18) and a driving gear (19), wherein the sliding groove (4) is formed in one side of the base (10), the scale bar (5) is fixed on the upper portion of the sliding groove (4) through bolts, the supporting column (6) is fixedly arranged at the center of the top of the base (10) through welding, the top of the supporting column (6) is connected with a polaroid body (7) through a universal hinge, two sliding blocks (16) are symmetrically arranged on the center of the inner wall of the bottom of the base (10) through bolts, the two sliding blocks (16) are connected through the moving bar (11), the gear bar (15) is fixedly welded on one side of the moving bar (11), the connecting rod (13) is arranged at the center of the moving bar (11) through welding, the connecting rod (13) is arranged at the center of the other side of the moving bar (11) through welding, the top of connecting rod (13) is fixed with pointer (2) through the bolt, pointer (2) and scale strip (5) cooperation are used, first gear (12) and second gear (18) are installed to the both sides of gear strip (15) symmetry respectively, and first gear (12) and second gear (18) are all connected with gear strip (15) meshing, the center department of first gear (12) rotates and is connected with first threaded rod (3), the center department of second gear (18) rotates and is connected with second threaded rod (8), and first threaded rod (3) and second threaded rod (8) all pass base (10) and polarizer body (7) corresponding both sides are connected, the center department meshing of gear strip (15) is connected with driving gear (19), the center department of driving gear (19) is connected with the output shaft of servo motor (14), servo motor (14) are fixed in the bottom inner wall of base (10) through the bolt, control panel (9) electric connection servo motor (14), the opposite screw thread direction of first threaded rod (3) and second threaded rod (8).
The servo motor (14) is operated by controlling the control board (9) to drive the gear strip (15) to move, then the first gear (12) and the second gear (18) are driven to rotate, and finally the polaroid body (7) is driven to adjust the angle;
the polarizer body (7) comprises a substrate (20), a first metal layer (21), grooves (22), grating medium layers (23), a second metal layer (24) and a third metal layer (25), wherein the first metal layer (21) is arranged at the top of the substrate (20), a plurality of grating medium layers (23) are uniformly distributed at the top of the first metal layer (21), grooves (22) are formed between the two grating medium layers (23), the second metal layer (24) is arranged at the top of the grating medium layers (23), and the third metal layer (25) is arranged at the bottom of the grooves (22).
2. A metal nano-grating based polarizer according to claim 1, wherein: the refractive index of the grating medium layer (23) is between 1.4 and 2.4.
3. A metal nano-grating based polarizer according to claim 1, wherein: the substrate (20) and the grating medium layer (23) are made of transparent flexible materials or glass.
4. A method for manufacturing a polarizer based on the metal nano-grating according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
1) Plating a first metal layer on a substrate and drying;
2) Forming a grating medium layer on the first metal layer by using a grating template;
3) Forming a second metal layer and a third metal layer on the surface of the grating dielectric layer by using a physical sputtering method to obtain a polaroid structure of the metal nano grating;
4) And cleaning and trimming the polaroid structure of the metal nano grating.
5. The method for manufacturing the polarizer based on the metal nano-grating, according to claim 4, is characterized in that: and 1) baking the materials by a hot plate or an oven, wherein the baking temperature is 120-220 ℃, and the baking time is 10-60 minutes.
6. The method for manufacturing the polarizer based on the metal nano-grating, according to claim 4, is characterized in that: and 2) the first metal layer and the grating medium layer are manufactured through a nano imprinting method.
7. The method for manufacturing the polarizer based on the metal nano-grating, according to claim 4, is characterized in that: step 4) washing with butanone accompanied by ultrasonic treatment or with O 2 And (5) removing plasma.
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| CN201711014450.6A CN107561666B (en) | 2017-10-26 | 2017-10-26 | Polarizing plate based on metal nano grating and manufacturing method thereof |
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| CN201711014450.6A CN107561666B (en) | 2017-10-26 | 2017-10-26 | Polarizing plate based on metal nano grating and manufacturing method thereof |
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| CN107561666A CN107561666A (en) | 2018-01-09 |
| CN107561666B true CN107561666B (en) | 2023-08-11 |
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