CN103235387B - A compact array high-throughput large-aperture optical focusing and frequency conversion system - Google Patents

Abstract

A compact array type high-throughput large-diameter optical focusing and frequency conversion system relates to a high-throughput large-diameter optical focusing and frequency conversion system. The object of the present invention is to solve the problems of poor structural stability of a compact single-beam high-throughput large-aperture optical focusing and frequency conversion system and the large space occupied by multiple compact single-beam high-throughput large-aperture optical focusing and frequency conversion systems. The window module, the frequency doubling focusing module, the connection section, the disassembly operation section, the sampling module and the transition flange are arranged in sequence along the beam propagation direction, the window module is connected to the frequency doubling focusing module, the frequency doubling focusing module is connected to the connecting section, and the connecting section is connected to the The disassembly operation section is connected, the disassembly operation section is connected with the sampling module, the sampling module is connected with the transition flange, and the transition flange is connected with the fusion device. The invention is used for the optical terminal of the laser nuclear fusion device.

Description

A compact array high-throughput large-aperture optical focusing and frequency conversion system

technical field

The invention relates to a high-throughput large-diameter optical focusing and frequency conversion system, in particular to a compact array type high-throughput large-diameter optical focusing and frequency conversion system.

Background technique

The high-throughput large-aperture optical focusing and frequency conversion system is located at the end of the laser nuclear fusion device, and multiple large-aperture optical components are installed inside, which undertakes the functions of high-frequency laser frequency conversion, focusing and transmission, and is one of the key units of the laser nuclear fusion device. 1. The existing compact single-beam high-throughput large-aperture optical focusing and frequency conversion system is connected to the fusion device through the bottom end, and maintains a working state similar to a cantilever beam. Its structural stability is poor, and multiple compact single The high-throughput large-aperture optical focusing and frequency conversion system is connected to the fusion device in a decentralized manner, which takes up a lot of space.

Contents of the invention

The purpose of the present invention is to provide a compact array type high-throughput large-aperture optical focusing and frequency conversion system to solve the problem of poor working stability and large space occupation of the existing compact single-beam high-throughput large-aperture optical focusing and frequency conversion system The problem.

The technical solution of the present invention is: a compact array type high-throughput large-aperture optical focusing and frequency conversion system includes multiple window modules, multiple frequency doubling focusing modules, multiple connecting sections, disassembly and assembly operation sections, sampling modules and In the transition flange, multiple window module arrays form a window module group, multiple frequency doubling focusing module arrays form a frequency doubling focusing module group, and multiple connecting segment arrays form a connecting segment group;

Each window module is a rectangular frame structure, the front and rear ends of the window module have a first flange structure, the end face of the window module is provided with a first light hole, and the side wall of the window module is provided with a first optical element installation hole , the frequency doubling focusing module is a rectangular frame structure, the front end and the rear end of the frequency doubling focusing module respectively have a second flange structure, the end face of the frequency doubling focusing module is provided with a second light hole, and the side wall of the frequency doubling focusing module is opened There is a second optical element mounting hole, the first optical element mounting hole and the second optical element mounting hole are used for passing through, the first optical element mounting hole and the second optical element mounting hole are used for mounting components, the connecting section is a rectangular frame structure, and the connecting section The rear end of the connecting section is a wedge-shaped structure, the front and rear ends of the connecting section have a third flange structure respectively, and there are a plurality of third light holes on the connecting section, the disassembling operation section is a rectangular frame structure, and the front end of the disassembling operation section is Wedge-shaped structure, the wedge-shaped structure at the rear end of the connection section matches the wedge-shaped structure at the front end of the disassembly operation section, the front and rear ends of the disassembly operation section have a fourth flange structure respectively, and there are multiple flanges on the end surface of the disassembly operation section. The fourth light hole, a plurality of first disassembly operation holes are opened on the side wall of the disassembly operation section, the sampling module is a rectangular frame structure, the front and rear ends of the sampling module have the fifth flange structure respectively, and the opening on the sampling module There is a fifth light hole, and a plurality of second disassembly operation holes are opened on the side wall of the sampling module. The transition flange is a rectangular frame structure, and the front and rear ends have sixth flange structures respectively. Light hole;

Multiple window modules, multiple frequency doubling focusing modules, multiple connecting sections, disassembly and assembly operation sections, sampling modules and transition flanges are arranged in sequence along the beam propagation direction, and connected front and back, wherein the structure of the first flange at the rear end of the window module The second flange structure at the front end of the frequency focusing module is connected, the second flange structure at the rear end of the frequency multiplication focusing module is connected with the third flange structure at the front end of the connecting section, and the third flange structure at the rear end of the connecting section is connected with the fourth flange structure at the front end of the disassembly operation section. Flange structure connection, the fourth flange at the rear end of the disassembly operation section is structurally connected with the fifth flange structure at the front end of the sampling module, the fifth flange structure at the rear end of the sampling module is connected with the sixth flange structure at the front end of the transition flange, and the transition flange The sixth flange structure at the rear end is connected with the fusion device.

The preferred solution: four window modules are distributed symmetrically in a 2x2 array, four frequency doubling focusing modules are distributed symmetrically in a 2x2 array, and the four window modules correspond to the four frequency doubling focusing modules one by one.

The preferred solution: there are four connecting sections, which are symmetrically distributed in a 2x2 array, and the four connecting sections correspond to the four frequency doubling focusing modules one by one.

The preferred solution: there are four fourth light holes on the disassembly operation section, the four fourth light holes are symmetrically distributed in a 2x2 array, and the four fourth light holes correspond to the four connecting sections one by one.

A preferred solution: the first light through hole, the second light through hole and the fourth light through hole are in one-to-one correspondence.

The preferred solution: the window module is composed of a first internal frame and a first external casing covered on the first internal frame, and the frequency doubling focusing module is composed of a second internal frame and a second external casing covered on the second internal frame body; the disassembly operation section is composed of the third internal frame and the third external shell covered on the third internal frame, and the sampling module is composed of the fourth internal frame and the fourth external shell covered on the fourth internal frame body composition.

Compared with the prior art, the present invention has the following effects: the present invention adopts an array structure, and is highly integrated with a compact single-beam high-throughput large-aperture optical focusing and frequency conversion system to form a compact array high-throughput large-aperture optical Focusing and frequency conversion system, the integrated high-throughput large-aperture optical focusing and frequency conversion system has a reduced structural aspect ratio, a reduced relative mass, and improved structural stability. Secondly, the compact single-beam high-throughput large The aperture optical focusing and frequency conversion system integrates a compact array type high-throughput large-aperture optical focusing and frequency conversion system. Finally, the invention also has the advantages of a simple structural form and low manufacturing costs.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic structural view of the window module of the present invention;

Fig. 3 is a schematic structural diagram of the frequency doubling focusing module of the present invention;

Fig. 4 is a schematic diagram of the connecting segment structure of the present invention;

Fig. 5 is a structural schematic diagram of the disassembly operation section of the present invention;

Fig. 6 is a schematic structural diagram of a sampling module of the present invention;

Fig. 7 is a structural schematic diagram of a transition flange of the present invention;

Fig. 8 is the front view of the overall structure diagram of the present invention;

Fig. 9 is the A-A sectional view of Fig. 8;

Fig. 10 is the B-B sectional view of Fig. 8;

Fig. 11 is the C-C sectional view of Fig. 8;

Fig. 12 is a D-D sectional view of Fig. 8 .

detailed description

Specific Embodiment 1: This embodiment is described with reference to FIGS. 1 to 8. A compact array type high-throughput large-aperture optical focusing and frequency conversion system of this embodiment includes multiple window modules 1 and multiple frequency doubling focusing modules. 2. A plurality of connection sections 3, a disassembly operation section 4, a sampling module 5 and a transition flange 6, a plurality of window modules 1 are arrayed to form a window module group, and multiple frequency doubling focusing modules 2 are arrayed to form a frequency doubling focusing module group. A connection segment 3 arrays form a connection segment group;

Each window module 1 is a rectangular frame structure. The front and rear ends of the window module 1 have a first flange structure 1-3, and the end face of the window module 1 is provided with a first light hole 1-4 on the side of the window module 1. There are first optical element installation holes 1-5 on the wall, the frequency doubling focusing module 2 is a rectangular frame structure, the front end and the rear end of the frequency doubling focusing module 2 respectively have a second flange structure 2-3, and the frequency doubling focusing module 2 has a second flange structure 2-3. There is a second light hole 2-4 on the end face, a second optical element installation hole 2-5 is opened on the side wall of the frequency doubling focusing module 2, the first light hole 1-4 and the second light hole 2- 4 is used to pass through, the first optical element installation hole 1-5 and the second optical element installation hole 2-5 are used to install components, the connecting section 3 is a rectangular frame structure, the rear end of the connecting section 3 is a wedge-shaped structure, the connecting section 3 There are third flange structures 3-1 at the front and rear ends respectively, and a plurality of third light holes 3-2 are opened on the connecting section 3. The disassembly operation section 4 is a rectangular frame structure, and the front end of the disassembly operation section 4 is Wedge-shaped structure, the wedge-shaped structure at the rear end of the connecting section 3 matches the wedge-shaped structure at the front end of the disassembly operation section 4, the front and rear ends of the disassembly operation section 4 have a fourth flange structure 4-3 respectively, and the disassembly operation section 4 There are a plurality of fourth light holes 4-5 on the end face of the disassembly operation section 4, and a plurality of first disassembly operation holes 4-6 are provided on the side wall of the disassembly operation section 4. The sampling module 5 is a rectangular frame structure, and the sampling module 5 There are fifth flange structures 5-3 at the front and rear ends respectively, the fifth light through hole 5-5 is opened on the sampling module 5, and a plurality of second disassembly operation holes 5-4 are opened on the side wall of the sampling module 5 , the transition flange 6 is a rectangular frame structure, its front and rear ends respectively have a sixth flange structure 6-1, and the center is provided with a sixth light hole 6-2;

A plurality of window modules 1, a plurality of frequency doubling focusing modules 2, a plurality of connection sections 3, a disassembly operation section 4, a sampling module 5 and a transition flange 6 are arranged in sequence along the beam propagation direction and connected front and back, wherein the rear end of the window module 1 The first flange structure 1-3 is connected to the second flange structure 2-3 at the front end of the frequency doubling focusing module 2, and the second flange structure 2-3 at the rear end of the frequency doubling focusing module 2 is connected to the third flange structure at the front end of the connecting section 3 3-1 connection, the third flange structure 3-1 at the rear end of the connecting section 3 is connected to the fourth flange structure 4-3 at the front end of the disassembly operation section 4, and the fourth flange structure 4-3 at the rear end of the disassembly operation section 4 is connected to the The fifth flange structure 5-3 at the front end of the sampling module 5 is connected, the fifth flange structure 5-3 at the rear end of the sampling module 5 is connected with the sixth flange structure 6-1 at the front end of the transition flange 6, and the sixth flange structure 6-1 at the rear end of the transition flange 6 The six-flange structure 6-1 is connected with the fusion device.

Specific embodiment 2: This embodiment is described in conjunction with Fig. 1 to Fig. 3. In this embodiment, there are four window modules 1, which are symmetrically distributed in a 2x2 array, and four frequency doubling focusing modules 2, which are symmetrically distributed in a 2x2 array. , the four window modules 1 are in one-to-one correspondence with the four frequency doubling focusing modules 2 . Other compositions and connections are the same as in the first embodiment.

Specific embodiment three: this embodiment is described in conjunction with Fig. 1, Fig. 3 and Fig. 4, the connecting section 3 of this embodiment is four, and is distributed symmetrically in a 2x2 array, the four connecting sections 3 and four frequency multipliers There is a one-to-one correspondence between the focusing modules 2. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

Specific Embodiment 4: This embodiment is described in conjunction with Fig. 1, Fig. 4 and Fig. 5. There are four fourth light through holes 4-5 on the disassembly operation section 4 of this embodiment, and four fourth light through holes 4 -5 are symmetrically distributed in a 2x2 array, and the four fourth light holes 4-5 correspond to the four connecting sections 3 one by one. Other compositions and connections are the same as those in Embodiment 1, 2 or 3.

Embodiment 5: This embodiment is described with reference to FIG. 1 . In this embodiment, the first light through hole 1-4 , the second light through hole 2 - 4 and the fourth light through hole 4 - 5 correspond one-to-one. Other compositions and connections are the same as those in Embodiment 1, 2, 3 or 4.

Specific Embodiment Six: This embodiment is described with reference to FIGS. 9 to 12. The window module 1 of this embodiment consists of a first inner frame 1-1 and a first outer casing 1 covered on the first inner frame 1-1. -2 composition, the frequency doubling focusing module 2 is composed of the second internal frame 2-1 and the second external shell 2-2 covered on the second internal frame 2-1; the disassembly operation section 4 is composed of the third internal frame 4-1 and the third outer casing 4-2 covered on the third inner frame 4-1, the sampling module 5 is composed of the fourth inner frame 5-1 and the fourth inner frame 5-1 covered The fourth outer casing 5-2 is formed. Other compositions and connections are the same as those in Embodiment 1, 2, 3, 4 or 5.

Using 2x2 array structure, four compact single-beam high-throughput large-aperture optical focusing and frequency conversion systems are highly integrated to form a compact 2x2 array high-throughput large-aperture optical focusing and frequency conversion system. The overall high-throughput large-aperture optical focusing and frequency conversion system has a reduced structural aspect ratio, a reduced relative mass, and improved structural stability. Secondly, four compact single-beam high-throughput large-aperture optical focusing and frequency conversion systems The system integrates a compact 2×2 array high-throughput large-aperture optical focusing and frequency conversion system. The number of high-throughput large-aperture optical focusing and frequency conversion systems installed on the fusion device is reduced, saving the space on the outer surface of the fusion device.

Claims (2)

1. a compact array high throughput large-aperture optical focuses on and frequency conversion system, compact array high throughput large-aperture optical focuses on and comprises four window modules (1) with frequency conversion system, four frequency multiplication focus module (2), disassembling operations section (4), sampling module (5) and counter flange (6), four window modules (1) are in 2x2 array symmetrical composition window module group, each window module (1) is rectangular frame structure, the front-end and back-end of window module (1) have the first flange arrangement (1-3), the end face of window module (1) has the first light hole (1-4), four frequency multiplication focus module (2) are in 2x2 array symmetrical composition frequency multiplication focus module group, frequency multiplication focus module (2) is rectangular frame structure, frequency multiplication focus module (2) front-end and back-end have the second flange arrangement (2-3) respectively, the end face of frequency multiplication focus module (2) has the second light hole (2-4), four window modules (1) and four frequency multiplication focus module (2) one_to_one corresponding, disassembling operations section (4) is rectangular frame structure, the front end of disassembling operations section (4) is wedge structure, sampling module (5) is rectangular frame structure, it is characterized in that: described system also comprises multiple linkage section (3), multiple linkage section (3) array composition linkage section group,

The sidewall of window module (1) has the first optical element mounting hole (1-5), the front end of frequency multiplication focus module (2) is wedge structure, the rear end of frequency multiplication focus module (2) is for facing directly, the sidewall of frequency multiplication focus module (2) has the second optical element mounting hole (2-5), first light hole (1-4) and the second light hole (2-4) are for passing through, first optical element mounting hole (1-5) and the second optical element mounting hole (2-5) are for installation elements, linkage section (3) is rectangular frame structure, the rear end of linkage section (3) is wedge structure, the rear and front end of linkage section (3) has three-flange structure (3-1) respectively, linkage section (3) has multiple 3rd light hole (3-2), the wedge structure of the rear end of linkage section (3) matches with the wedge structure of the front end of disassembling operations section (4), the rear and front end of disassembling operations section (4) has the 4th flange arrangement (4-3) respectively, the end face of disassembling operations section (4) has multiple 4th light hole (4-5), the sidewall of disassembling operations section (4) has multiple first disassembling operations hole (4-6), the rear and front end of sampling module (5) has the 5th flange arrangement (5-3) respectively, (5) have five-way unthreaded hole (5-5) to sampling module, the sidewall of sampling module (5) has multiple second disassembling operations hole (5-4), counter flange (6) is rectangular frame structure, its rear and front end has the 6th flange arrangement (6-1) respectively, center is provided with the 6th light hole (6-2),

Four window modules (1), four frequency multiplication focus module (2), multiple linkage section (3), disassembling operations section (4), sampling module (5) and counter flange (6) are arranged in order along direction of beam propagation, front and back connect, wherein window module (1) rear end first flange arrangement (1-3) is connected with frequency multiplication focus module (2) front end second flange arrangement (2-3), frequency multiplication focus module (2) rear end second flange arrangement (2-3) is connected with linkage section (3) front end three-flange structure (3-1), linkage section (3) rear end three-flange structure (3-1) is connected with disassembling operations section (4) front end the 4th flange arrangement (4-3), disassembling operations section (4) rear end the 4th flange (4-3) is connected with sampling module (5) front end the 5th flange arrangement (5-3), sampling module (5) rear end the 5th flange arrangement (5-3) is connected with counter flange (6) front end the 6th flange arrangement (6-1), counter flange (6) rear end the 6th flange arrangement (6-1) is connected with fusion facility,

Linkage section (3) is four, and symmetrical in 2x2 array, described four linkage sections (3) and four frequency multiplication focus module (2) one_to_one corresponding;

Disassembling operations section (4) has four the 4th light holes (4-5), four the 4th light holes (4-5) are symmetrical in 2x2 array, described four the 4th light holes (4-5) and four linkage section (3) one_to_one corresponding;

First light hole (1-4), the second light hole (2-4) and the 4th light hole (4-5) one_to_one corresponding.

2. a kind of compact array high throughput large-aperture optical according to claim 1 focuses on and frequency conversion system, it is characterized in that: window module (1) is made up of the first inner frame (1-1) and the first external shell (1-2) be coated on the first inner frame (1-1), frequency multiplication focus module (2) is made up of the second inner frame (2-1) and the second external shell (2-2) be coated on the second inner frame (2-1); Disassembling operations section (4) is made up of the 3rd inner frame (4-1) and the 3rd external shell (4-2) be coated on the 3rd inner frame (4-1), and sampling module (5) is made up of the 4th inner frame (5-1) and the 4th external shell (5-2) be coated on the 4th inner frame (5-1).