Optical component and laser radar system

1 . An optical component comprising:

a first lens disposed in an emission path of a first beam and configured to emit second beams, and comprising:

a first shaping surface configured to diverge a first angle of divergence of the first beam in a first polarization direction of the first beam, wherein the first shaping surface is a first cylinder comprising a first generatrix; and

a second shaping surface that is disposed opposite the first shaping surface, wherein the second shaping surface is a second cylinder comprising a second generatrix, and wherein the first generatrix and the second generatrix are perpendicular; and

a second lens disposed opposite the first lens in a path of the second beams and comprising:

a third shaping surface configured to collimate the second beams to obtain first parallel beams in the first polarization direction; and

a fourth shaping surface that is disposed opposite the third shaping surface,

wherein the first shaping surface and the third shaping surface define a first shaping surface group that is configured to perform a first optical path collimation in the first polarization direction,

wherein the second shaping surface and the fourth shaping surface define a second shaping surface group that is configured to perform a second optical path collimation in the second a second polarization direction, and

wherein the second polarization direction is perpendicular to the first polarization direction.

2 . The optical component of claim 1 , wherein the first lens further comprises:

a first surface facing away from the second lens, wherein the first shaping surface is located on the first surface; and

a second surface facing the second lens, wherein the second shaping surface is located on the second surface, and

wherein the second lens further comprises:

a third surface facing away from the first lens, wherein the third shaping surface is located on the third surface; and

a fourth surface facing the first lens, wherein the fourth shaping surface is located on the fourth surface.

3 . The optical component of claim 2 , wherein the third shaping surface is a third cylinder comprising a third generatrix, and wherein the first generatrix and the third generatrix are parallel to the second polarization direction.

4 . The optical component of claim 3 , wherein a first curvature of the first shaping surface and a second curvature of the third shaping surface increase as a distance between the first generatrix and the third generatrix increases.

5 . The optical component of claim 1 , wherein the second shaping surface is configured to converge a second angle of divergence in the second polarization direction, and wherein the fourth shaping surface is configured to collimate the second beams to obtain second parallel beams in the second polarization direction.

6 . The optical component of claim 5 , wherein the first lens further comprises a first surface facing the second lens, wherein the second shaping surface is located on the first surface, wherein the second lens further comprises a second surface facing the first lens, and wherein the fourth shaping surface is located on the second surface.

7 . The optical component of claim 6 , wherein the fourth shaping surface is a fourth cylinder comprising a fourth generatrix, and wherein the second generatrix and the fourth generatrix are parallel to the first polarization direction.

8 . The optical component of claim 7 , wherein a first curvature of the second shaping surface and a second curvature of the fourth shaping surface increase as a distance between the second generatrix and the fourth generatrix increases.

9 . The optical component of claim 1 , wherein the second generatrix is parallel to the first polarization direction, the second shaping surface is configured to collimate the second beams to obtain second parallel beams in the second polarization direction, and the fourth shaping surface is a first plane.

10 . The optical component of claim 1 , wherein the first polarization direction is a slow axis direction of the first beam, and wherein the second polarization direction is a fast axis direction of the first beam.

11 . A laser radar system comprising:

a laser comprising a first beam; and

an optical component communicatively coupled to the laser, and comprising:

a first lens disposed in an emission path of the first beam, and configured to emit second beams, and comprising:

a first shaping surface configured to diverge a first angle of divergence in a first polarization direction of the first beam, wherein the first shaping surface is a first cylinder comprising a first generatrix; and

a second shaping surface that is disposed opposite the first shaping surface, wherein the second shaping surface is a second cylinder comprising a second generatrix, and wherein the first generatrix and the second generatrix are perpendicular; and

a second lens disposed opposite the first lens in a path of the second beams and comprising:

a third shaping surface configured to collimate the second beams to obtain first parallel beams in the first polarization direction; and

a fourth shaping surface that is disposed opposite the third shaping surface,

wherein the first shaping surface and the third shaping surface define a first shaping surface group that is configured to perform a first optical path collimation in the first polarization direction,

wherein the second shaping surface and the fourth shaping surface define a second shaping surface group that is configured to perform a second optical path collimation in a second polarization direction, and

wherein the second polarization direction is perpendicular to the first polarization direction.

12 . The laser radar system of claim 11 , wherein the first lens further comprises:

a first surface facing away from the second lens, wherein the first shaping surface is located on the first surface; and

a second surface facing the second lens, wherein the second shaping surface is located on the second surface, and

wherein the second lens further comprises:

a third surface facing away from the first lens, wherein the third shaping surface is located on the third surface; and

a fourth surface facing the first lens, wherein the fourth shaping surface is located on the fourth surface.

13 . The laser radar system of claim 12 , wherein the third shaping surface is a third cylinder comprising a third generatrix, and wherein the first generatrix and the third generatrix are parallel to the second polarization direction.

14 . The laser radar system of claim 13 , wherein a first curvature of the first shaping surface and a second curvature of the third shaping surface increase as a distance between the first generatrix and the third generatrix increases.

15 . The laser radar system of claim 11 , wherein the second shaping surface is configured to converge a second angle of divergence in the second polarization direction, and wherein the fourth shaping surface is configured to collimate the second beams to obtain second parallel beams in the second polarization direction.

16 . The laser radar system of claim 15 , wherein the first lens further comprises a first surface facing the second lens, wherein the second shaping surface is located on the first surface, wherein the second lens further comprises a second surface facing the first lens, and wherein the fourth shaping surface is located on the second surface.

17 . The laser radar system of claim 16 , wherein the fourth shaping surface is a fourth cylinder comprising a fourth generatrix, and wherein the second generatrix and the fourth generatrix are parallel to the first polarization direction.

18 . The laser radar system of claim 17 , wherein a first curvature of the second shaping surface and a second curvature of the fourth shaping surface increase as a distance between the second generatrix and the fourth generatrix increases.

19 . The laser radar system of claim 11 , wherein the second shaping surface is a second plane, the fourth shaping surface is a fourth cylinder comprising a fourth generatrix that is parallel to the first polarization direction, and the fourth shaping surface is configured to collimate the second beams to obtain third parallel beams in the second polarization direction.

20 . The laser radar system of claim 11 , wherein the first polarization direction is a slow axis direction of the first beam, and wherein the second polarization direction is a fast axis direction of the first beam.

21 . An optical component comprising:

a first lens disposed in an emission path of a first beam and configured to emit second beams, and comprising:

a first shaping surface configured to diverge a first angle of divergence of the first beam in a polarization direction of the first beam, wherein the first shaping surface is a first cylinder comprising a first generatrix; and

a second shaping surface that is disposed opposite the first shaping surface, wherein the second shaping surface is a second cylinder comprising a second generatrix, and wherein the first generatrix and the second generatrix are perpendicular; and

a second lens disposed opposite the first lens in a path of the second beams and comprising:

a third shaping surface configured to collimate the second beams to obtain first parallel beams in the polarization direction; and

a fourth shaping surface that is disposed opposite the third shaping surface.