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Three-dimensional interposed waveguide type medium pool for Brillonin amplifying laser serial beam combination

A medium pool and beam grouping technology, which is applied in the directions of laser components, optics, nonlinear optics, etc., can solve problems such as the difficulty of good crossover, the difficulty of beam incident and exit, etc., to improve energy conversion efficiency, increase interaction length, The effect of simplifying the structure

Inactive Publication Date: 2010-08-25
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that it is difficult to satisfy two angles of beam incidence and exit in the non-collinear structure dielectric pool in the existing laser serial beam combination, and it is also difficult to adjust the good cross overlap of the two beams in the dielectric pool problem, and then provide a three-dimensional cross-waveguide dielectric cell for Brillouin amplified laser serial beam

Method used

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  • Three-dimensional interposed waveguide type medium pool for Brillonin amplifying laser serial beam combination
  • Three-dimensional interposed waveguide type medium pool for Brillonin amplifying laser serial beam combination
  • Three-dimensional interposed waveguide type medium pool for Brillonin amplifying laser serial beam combination

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specific Embodiment approach 1

[0010] Specific Embodiment 1: This embodiment is described with reference to FIGS. 1 to 4. This embodiment is composed of a first assembly, a second assembly and a square element 10, and the first assembly and the second assembly are symmetrically arranged at both ends of the square element 10. ; The first assembly is composed of a first element 1, a second element 2, a third element 3 and a fourth element 4, and the first element 1, the second element 2, the third element 3 and the fourth element 4 are respectively Set on the four sidewalls at one end of the square element 10, the first element 1, the second element 2, the third element 3 and the fourth element 4 communicate with the square element 10; the second component is composed of the fifth element 5 , the sixth element 6, the seventh element 7 and the eighth element 8, the fifth element 5, the sixth element 6, the seventh element 7 and the eighth element 8 are respectively arranged on the four sides of the other end of...

specific Embodiment approach 2

[0011] Specific Embodiment 2: This embodiment is described in conjunction with FIG. 4 . All elements in the first assembly and the second assembly of this embodiment are cylindrical elements, and the first element 1, the fifth element 5 and the square element 10 The included angle α, the included angle β between the second element 2 and the sixth element 6 and the square element 10, the included angle γ between the third element 3 and the seventh element 7 and the square element 10, the fourth element 4 and the first The included angles δ between the eight elements 8 and the square elements 10 are all 5-45°. With such a setting, it is easier to enter and exit the beam. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0012] Specific Embodiment Three: This embodiment is described in conjunction with FIG. 4 . All elements in the first assembly and the second assembly of this embodiment are cylindrical elements, and the axis between the first element 1 and the fifth element 5 and the square element 10 The included angle α between, the included angle β between the second element 2 and the sixth element 6 and the axis of the square element 10, the included angle γ between the third element 3 and the seventh element 7 and the axis of the square element 10, The included angles δ between the fourth element 4 and the eighth element 8 and the axis of the square element 10 are both 5°. With such a setting, it is easier to enter and exit the beam. Other compositions and connections are the same as in the first embodiment.

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Abstract

Disclosed is a three-dimensional cross waveguide type medium pool for a serial laser combination in Brillouin amplification, which relates to a medium pool. The invention solves the problem that to suffice the laser incident beam and the emission beam at two directions is difficult, and to adjust the fine cross and overlapping of the two laser beams in the medium pool is also difficult in the prior noncollinear structure medium pool of the serial laser combination. A first subassembly and a second subassembly of the invention are symmetrically arranged at the two ends of a square component (10); a first component (1), a second component (2), a third component (3) and a fourth component (4) are respectively arranged at the four side walls of one end of the square component (10); a fifth component (5), a sixth component (6), a seventh component (7) and a eighth component (8) are respectively arranged at the four side walls of the other end of the square component (10). The medium pool of the invention makes the laser beam to be perpendicular to the injection window when the laser beam is injected into the medium pool, and fulfils a larger cross angle within the limitation of the permitted errors of the wave vector mismatch angle. The medium pool of the invention also simplifies the structure, increases the energy conversion efficiency, and realizes the cross and overlapping of the laser beam in the medium pool with convenient adjusting.

Description

technical field [0001] The invention relates to a medium pool. Background technique [0002] In the beam combination structure based on the non-collinear Brillouin amplifying structure unit 100 (see Fig. 5), a beam of seed beam 118 passes through the non-collinear Brillouin amplifying structure units 100, 101, 102 and 103 successively with the pumping beam 106, 109, 114 and 117 interact. In the non-collinear Brillouin amplification structure unit 100, the seed beam 118 and the pumping beam 106 interact in the medium cell 105 at a fixed angle to complete the amplification of the seed beam 118 by the pumping beam 106, and the amplified seed The beam 118 is output by the non-collinear Brillouin amplifying structure unit 100, and the remaining pumping beam 106 enters the optical trap 104, and the angle size is determined by the light intensity and aperture of the seed beam 118 and the pumping beam 106, and the length of the dielectric pool 105. Decide. With the non-collinear ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/02G02F1/35
Inventor 吕志伟王双义王雨雷
Owner HARBIN INST OF TECH
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