CN217766991U

CN217766991U - Grating splicing structure

Info

Publication number: CN217766991U
Application number: CN202221478729.6U
Authority: CN
Inventors: 吴砺; 张建英; 周孝莲; 林磊
Original assignee: Fuzhou Photop Qptics Co ltd
Current assignee: Fuzhou Photop Qptics Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-11-08
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to a grating splicing structure, which comprises a substrate, a reflective plane grating and a connecting rod; the upper part of the plane grating is rectangular; the technical scheme is that the movable component is directly spliced into the plane grating, the stability is greatly improved, and the requirements on the splicing device are greatly reduced.

Description

Grating splicing structure

Technical Field

The utility model relates to an optics field, concretely relates to grating mosaic structure.

Background

The existing grating splicing adopts a flexible structure pressurization electro-ceramic system to carry out dynamic splicing, the structure of the grating is mainly dynamic flexible structure + PZT adjustment, the wave front is difficult to meet the requirement, the splicing effect generally depends on a spliced mechanical support, and the research and development difficulty of a five-dimensional high-precision high-stability splicing device is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a promote stability, and reduced the grating mosaic structure to splicing apparatus's requirement.

The utility model discloses a grating mosaic structure adopts following technical scheme: the device comprises a substrate, a reflective plane grating and a connecting rod; the upper part of the plane grating is rectangular; and a plurality of plane gratings are arranged above the substrate, four edges of one surface of each plane grating, which is far away from the grating, are wedge surfaces, and the wedge surfaces are fixedly connected with the surface of the substrate through connecting rods.

A grating splicing structure adopts the following technical scheme: the device comprises a substrate, a reflective plane grating and a connecting rod; the upper part of the plane grating is rectangular; the flat grating is arranged above the substrate, four edges of one surface of the flat grating, which is far away from the grating, are wedge surfaces, a plurality of V-shaped grooves are arranged in the middle of the flat grating, and the wedge surfaces of the edges and the two wedge surfaces of the V-shaped grooves are fixedly connected with the surface of the substrate through connecting rods respectively.

Furthermore, the connecting rod and the plane grating are fixedly bonded by at least one glue point on one side departing from the grating and on two sides of a tangent or a tangent plane of the surface of the substrate.

Further, the connecting rod is a round glass rod or a D-shaped glass rod.

Further, the substrate, the plane grating and the connecting rod are all formed by zero-expansion glass.

Compared with the prior art, the beneficial effects of the utility model are that: the wedge surfaces are fixed with the base plate through the connecting rods, the wedge surfaces are directly spliced into fixed parts, stability is greatly improved, and requirements for the splicing device are greatly reduced.

Drawings

The drawings described herein are for the purpose of providing a further understanding of the present application, and in which:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

Referring to fig. 1, a grating splicing structure according to a first embodiment includes a substrate 1, a reflective planar grating 2, and a connecting rod 3; the upper part of the plane grating 2 is rectangular; a plurality of plane gratings 2 are arranged above the substrate 1, four edges of one surface of the plane grating 2, which faces away from the grating 21, are wedge surfaces 22, the connecting rod 3 is a circular glass rod or a D-type glass rod, in this embodiment, the circular glass rod is taken as an example, and the wedge surfaces 22 are fixedly connected with the surface of the substrate through the connecting rod 3.

Referring to fig. 2, a grating splicing structure according to a second embodiment is different from the planar grating 2 according to the first embodiment in size, the second embodiment is suitable for a single large planar grating, the planar grating 2 is disposed above the substrate 1, four edges of one surface of the planar grating 2, which is away from the grating 21, are wedge surfaces 22, the middle of the planar grating is provided with a plurality of V-shaped grooves 23, and the wedge surfaces 22 of the edges and the wedge surfaces 22 of the V-shaped grooves 23 are respectively fixedly connected with the surface of the substrate 1 through the connecting rod 3.

In the two embodiments, the connection rod 3 and the plane grating 2 are further improved, and the two sides of the tangent or tangent plane of the surface of the substrate 1 and the side departing from the grating 21 are fixedly bonded by at least one glue dot 4. Of course, there are many ways to bond the glue dots 4, including:

1. the glue dots 4 are bonded by unstressed UV glue and are cured by ultraviolet light;

2. the adhesive dots 4 adopt 353ND epoxy resin, the PZT automatically controls the heating process, the PZT is moved in the curing process until the adhesive is completely cured, and then the PZT is removed;

3. the glue dots 4 adopt low-temperature solder, the periphery of the wedge surfaces 22 and the connecting rods 3 is plated with gold films, then the PZT is used for automatically controlling heating and curing the low-temperature solder, and the curing process PZT is still in motion in the same way, in case of poor effect, the glue dots are heated again from the beginning to the satisfaction.

In the two embodiments, the substrate 1, the plane grating 2 and the connecting rod 3 are all made of zero-expansion glass.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A grating splicing structure is characterized in that: the device comprises a substrate, a reflective plane grating and a connecting rod; the upper part of the plane grating is rectangular; and a plurality of plane gratings are arranged above the substrate, four edges of one surface of each plane grating, which is far away from the grating, are wedge surfaces, and the wedge surfaces are fixedly connected with the surface of the substrate through connecting rods.

2. A grating splicing structure is characterized in that: the device comprises a substrate, a reflective plane grating and a connecting rod; the upper part of the plane grating is rectangular; the plane grating is arranged above the substrate, four edges of one surface of the plane grating, which deviates from the grating, are wedge surfaces, a plurality of V-shaped grooves are arranged in the middle of the plane grating, and the wedge surfaces of the edges and the two wedge surfaces of the V-shaped grooves are fixedly connected with the surface of the substrate through connecting rods respectively.

3. A grating splicing structure according to claim 1 or 2, wherein: the connecting rod and the two sides of the tangent or tangent plane of the surface of the plane grating, which are deviated from the grating, are fixedly bonded by at least one glue point.

4. A grating patch structure according to claim 1 or 2, wherein: the connecting rod is a round glass rod or a D-shaped glass rod.

5. A grating patch structure according to claim 1 or 2, wherein: the substrate, the plane grating and the connecting rod are all formed by zero-expansion glass.