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Laser system

A laser system and laser beam technology, applied in the field of laser systems, can solve the problems of complex optical systems and high beam cross-sections

Pending Publication Date: 2020-05-01
海罗尼克株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] However, in the method of improving the uniformity of the beam section using the lens optical system, the laser beam is input to the optical fiber in a state where the laser beam section is oscillated in a Gaussian or Hermite-Gaussian (HG) mode. (fiber), etc. At this time, there is a disadvantage of making the optical system more complicated
[0016] In addition, this improvement method has the following problems, the more the pulse width of the laser is reduced, and the poorer the curvature of the mirror and the laser medium are designed, the higher the possibility of generating an uneven beam section

Method used

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Embodiment Construction

[0035] Hereinafter, embodiments will be described in detail with reference to the drawings. The same reference numerals shown in the respective drawings denote the same components. Various modifications can be made to the embodiments described below. It should be understood that the embodiments described below are not intended to limit the implementation modes, and the implementation modes include all changes, equivalents and replacements of these embodiments.

[0036] The terms used in the examples are used only to describe specific examples, and do not limit the examples. Expressions of singular number include expressions of plural number unless clearly stated otherwise in the context. It should be understood that, in this specification, terms such as "comprising" or "having" are used to designate the features, numbers, steps, actions, members, parts or their combinations described in the specification, but not to preclude one or more other The presence or possibility of ...

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Abstract

The present invention relates to a laser system, and in particular, to a laser system that makes the beam cross section uniform by adjusting the curvature of the mirror. A laser system according to anembodiment of the present invention includes: a pump source for outputting a light beam; and a resonator, including a laser working substance, a first reflecting mirror and a second reflecting mirror, wherein the laser working substance generates light based on the light beam, and the first mirror and the second mirror resonate the light generated from the laser working substance to generate a laser beam. The first mirror is a convex mirror for total reflection of the light, and the second mirror is a concave mirror for partially reflecting the light.

Description

technical field [0001] The present invention relates to a laser system, and in more detail, relates to a laser system which makes the cross section of the beam uniform by adjusting the curvature of the reflector. Background technique [0002] Generally speaking, LASER is the abbreviation of "Light Amplified by Stimulated Emission of Radiation". The working principle of the laser is "radiation waves are stimulated to emit and amplify the light". As the name implies, a light particle in the laser can stimulate the emission of another light particle with the same wavelength in the medium with population inversion state. [0003] The light particle is reflected by the mirror set in the resonator, and re-passes through the interior of the medium, thereby stimulating the emission of another light particle. There are two mirrors inside the resonator, the mirror at the front is a semi-transmissive mirror, allowing part of the light particles to pass through. The light obtained in ...

Claims

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Application Information

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IPC IPC(8): H01S3/08H01S3/105
CPCH01S3/08059H01S3/105H01S3/1062
Inventor 李釨仁朴性勇都在焕
Owner 海罗尼克株式会社