Reflector unit, apparatus and method of light beam shaping

A method of light beam shaping for a laser light source, comprising:

• dividing all light beams emitted by the laser light source into N parts, corresponding to N reflector units of a first group respectively, wherein each of the N reflector units of the first group has at least two reflectors, each of the reflectors of each of the N reflector units of the first group is disposed on a same plane, and N is a positive integer;
• directing the N-th part of the light beams emitted by the laser light source to being incident to the N-th reflector unit of the first group, wherein each of the reflectors of the N-th reflector unit of the first group reflects the incident light beams at a first predetermined angle, a part of or all of the reflectors of the N-th reflector unit of the first group reflects a plurality of the incident light beams, and all of or a part of the reflected light beams pass through intervals between the reflectors of the reflector units of the first group including the (N−1)-th reflector unit to the first reflector unit;
• directing the (N−1)-th part of the light beams emitted by the laser light source to being incident to the (N−1)-th reflector unit of the first group, wherein each of the reflectors of the (N−1)-th reflector unit of the first group reflects the incident light beams at the first predetermined angle, a part of or all of the reflectors of the (N−1)-th reflector unit of the first group reflects a plurality of the incident light beams, and all of or a part of the reflected light beams pass through the intervals between the reflectors of the reflector units of the first group including the (N−2)-th reflector unit to the first reflector unit;
• and
• directing the first part of the light beams emitted by the laser light source to being incident to the first reflector unit of the first group, wherein each of the reflectors of the first reflector unit of the first group reflects the incident light beams at the first predetermined angle, a part of or all of the reflectors of the first reflector unit of the first group reflects a plurality of the incident light beams, and all of the reflected light beams directly combine with the reflected light beams reflected by all other reflector units of the first group;
• wherein after performing the shaping steps, all of the light beams emitted by the laser light source are transmitted towards a same direction, and a portion of intervals between the light beams are adjusted.

A reflector unit, comprising:

• at least two reflectors, wherein each of the at least two reflectors comprises:
• a reflector body;
• a reflecting surface disposed on the reflector body;
• and
• a fixing portion supporting the reflector body,
• wherein the reflecting surfaces of the at least two reflectors are disposed on a same plane.