Laser beam light combining and dodging device used for full color laser computer moving head light

Abstract

The invention discloses a laser beam light combining and dodging device used for a full color laser computer moving head light. The laser beam light combining and dodging device comprises a full color laser light source, beam combining optical fibers, a light mixing optical fiber and a dispersion head. The full color laser light source is composed of a plurality of laser devices with different colors, the beam combining optical fibers are composed of a plurality of coupling optical fibers, lasers output by each laser device enter a corresponding coupling optical fiber in a coupling mode, and the other ends of all the coupling fibers are distributed in the space in an evenly arrayed mode and packaged together to be the output end of the beam combining optical fibers. The light mixing optical fiber is a single coupling optical fiber, the excircle of a fiber core of the light mixing optical fiber is equivalent to the excircle of a fiber core of the beam combining optical fibers in size, and moreover the light mixing optical fiber and the output end of the beam combining optical fibers are connected and packaged together. The dispersion head is a dense combination of short optical fibers with fiber cores of 10-100 micrometers. The laser beam light combining and dodging device has the advantages that a plurality of small-power laser modules can be used for light combining and dodging through optical fiber coupling, and the requirements of the computer moving head light for laser total power are met.

Description

technical field [0001] The invention relates to a laser beam combination and uniform light device for a full-color laser computer moving head lamp, which belongs to the field of laser demonstration applications. Background technique [0002] As an important means of setting off the atmosphere and creating live effects, computer moving head lights have become an indispensable tool in stage performances. Its advantage is that the rotation of the lamp body drives the light beam to move, and the rotation range is large, which can achieve 360° 0 rotate. This movement effect can produce a full-bodied visual experience on the stage. Most of the traditional moving lights use metal halide lamps as light sources, and the electric power is relatively high, and the power of some high-brightness moving lights even exceeds 2000W. Modern stage effects not only need to use lighting to reflect clear and bright artistic shapes, but also need wonderful and impressive effect lamps for foil, ...

AI Technical Summary

Problems solved by technology

At present, laser lights generally adopt the scheme of discrete optical components such as dual-wavelength light combining film and three-wavelength light combining film, but long-term use will cause color fringing and color blurring in the output combined light beam due to stability problems.

And the moving head light body 360 0 Rotational movement and vibration effects make this solution impossible to realize commercialization

In addition, the existing optical fiber combination technology only combines and encapsulates the optical fibers, and the output full-color laser has color edges and serious speckles after passing through a certain optical system.

And the coupling fiber with a core of hundreds of microns cannot use a mature fiber splitter solution to combine beams.

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