| CPC G02B 6/122 (2013.01) | 11 Claims |
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1. An optical lens, comprising:
two transparent substrates, each transparent substrate being provided with two optical surfaces; and
two optical waveguide arrays, arranged between the two transparent substrates by means of glue, optical waveguide extending directions of the two optical waveguide arrays being arranged orthogonally; each optical waveguide array comprising a plurality of optical waveguide units, each optical waveguide unit having a rectangular cross section, and the plurality of optical waveguide units being joined in parallel; an outer contour of the optical waveguide array being a rectangle and an extending direction of the optical waveguide unit and at least two sides of the outer contour of the optical waveguide array forming an angle of 30 to 60 degrees,
wherein the outer contour of the optical waveguide array is a rectangle and is formed by splicing the following array units: a plurality of first sub-arrays, wherein an outer contour of the first sub-array is a square, and the plurality of first sub-arrays are sequentially connected along diagonal directions thereof; a plurality of second sub-arrays, wherein an outer contour of the second sub-array is an isosceles triangle shape, a length of each waist side of the second sub-array is the same as a length of a side of the first sub-array, and top corners of the two second sub-arrays face each other and are embedded between two adjacent first sub-arrays; and four third sub-arrays, wherein an outer contour of the third sub-array is an isosceles triangle shape, a length of a bottom side of the third sub-array is the same as the length of the side of the first sub-array, and the four third sub-arrays are respectively arranged outside two first sub-arrays located at head and end, wherein, a number of the first sub-arrays is M, a number of the second sub-arrays is N, and a relationship between M and N satisfies a formula of: N=(M−1)*2, the first sub-arrays, the second sub-arrays and the third sub-arrays each includes a plurality of optical waveguide subunits arranged in parallel, and extension directions of the optical waveguide subunits in the first sub-arrays, the second sub-arrays, and the third sub-arrays are consistent to form the optical waveguide units, and extension directions of the optical waveguide subunits are parallel to two opposite sides of the first sub-array; or
wherein the outer contour of the optical waveguide array is a square, and formed by a first sub-array and four third sub-arrays adhered respectively to four sides of the first sub-array, an outer contour of the first sub-array is formed into a square, and an outer contour of the third sub-array is formed into an isosceles triangle shape, in which a length of a bottom side of the third sub-array is the same as a length of a side of the sub-array; the first sub-array and the third sub-arrays each includes a plurality of optical waveguide subunits arranged in parallel, and extension directions of the optical waveguide subunits in the first sub-array and the third sub-arrays are consistent and form an angle of 45 degrees with any side of the outer contour of the optical waveguide array; or
wherein the outer contour of the optical waveguide array is a square and formed by splicing the following array units: a fourth sub-array, formed by splicing four first sub-arrays, and an outer contour of each first sub-array is formed into a square, four fifth sub-arrays respectively adhered to four sides of the fourth sub-array, an outer contour of the fifth sub-array is formed into an isosceles triangle shape, and a length of a bottom side of the fifth sub-array is the same as a length of a side of the four sub-array, wherein each fifth sub-array is formed by splicing two second sub-arrays, an outer contour of each second sub-array is formed into an isosceles triangle shape, and a length of each waist side of the second sub-array is the same as a length of a side of the first sub-array, wherein, the first sub-arrays and the second sub-arrays each includes a plurality of optical waveguide subunits arranged in parallel, and extension directions of the optical waveguide subunits in the first sub-arrays and the second sub-arrays are consistent and form an angle of 45 degrees with any side of the outer contour of the optical waveguide array.
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