Femtosecond laser pulse width real-time monitoring device

Abstract

The utility model discloses a femtosecond laser pulse width real -time monitoring device relates to optical instrument technical field, including main base plate, integral optical support module, integral optical support module is equipped with a plurality of, a plurality of integral optical support module is used for installing different optical elements, and optical elements include beam splitter, reflector, delay line and nonlinear crystal, and integral optical support module is vertically installed on main base plate through fixed peg, support stable clamping plate is formed with two clamping plates and is closed, and the round hole for clamping fixed peg is formed on support stable clamping plate, and both ends of support stable clamping plate are equipped with fixed hole, and the axial direction of fixed hole is perpendicular with the board face direction of support stable clamping plate, is used for further fixed integral optical support module group after clamping on main base plate. The utility model forms the door type frame structure through support stable clamping plate and makes a whole with a plurality of module, and the slight displacement and the shaking of each module top are restrained.

Description

Technical Field

[0001] This utility model relates to the field of optical instrument technology, and in particular to a femtosecond laser pulse width real-time monitoring device. Background Technology

[0002] Accurate measurement of femtosecond laser pulse width is a crucial aspect of ultrafast laser applications. Existing measurement devices, such as autocorrelators, typically consist of multiple independent optical components (such as beam splitters, mirrors, and nonlinear crystals) in their internal optical path. These components are individually mounted on the optical platform or main substrate via their respective adjustment mounts, forming a "discrete" structure.

[0003] There are multiple connection and mating interfaces between each optical element and its adjustment frame, as well as between the adjustment frame and the substrate. When these interfaces are subjected to mechanical vibration or temperature changes, they are prone to relative displacement, which can cause optical path deviation, measurement signal drift, and make it impossible to achieve long-term stable online monitoring. Utility Model Content

[0004] The main purpose of this invention is to provide a real-time monitoring device for femtosecond laser pulse width. By using a support and stabilizing clamp to "bundle" multiple modules into a whole, a stable portal frame structure is formed, which can effectively solve the problems in the background technology.

[0005] To achieve the above objectives, this utility model provides a femtosecond laser pulse width real-time monitoring device, including a main substrate, an integrated optical support module, and a support stabilizing clamp. The integrated optical support module is provided in multiple ways, and the multiple integrated optical support modules are used to install different optical elements, including beam splitters, mirrors, delay lines and nonlinear crystals. The integrated optical support module is vertically mounted on the main substrate by fixing bolts. The bracket stabilizing clamp is composed of two clamping plates joined together. The bracket stabilizing clamp has a circular hole for clamping the fixing bolt. The two ends of the bracket stabilizing clamp are provided with fixing holes. The axial direction of the fixing holes is perpendicular to the plate surface direction of the bracket stabilizing clamp, which is used to further fix the clamped integral optical bracket module assembly to the main substrate.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, the integrated optical support module is divided into an incident module, a nonlinear action module, a dispersion control module, and a detection module according to its different functions.

[0008] Furthermore, the fixing bolt and the integral optical bracket module are detachable structures connected by threads.

[0009] Furthermore, the fixing holes at both ends of the bracket stabilizing clamp are through holes, and the two clamps are fixed together by fastening bolts.

[0010] Furthermore, the main substrate is provided with a matrix-arranged array of threaded holes for flexible positioning and installation of the fixing bolts of the integral optical bracket module.

[0011] The beneficial effects of this invention are as follows: This invention provides a real-time monitoring device for femtosecond laser pulse width, which has the following advantages: This utility model uses a bracket stabilizing clamp to "bundle" multiple modules into a whole, forming a stable portal frame structure. This effectively suppresses minor displacement and swaying at the top of each module, and its vibration resistance is significantly better than that of traditional separate brackets.

[0012] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description

[0013] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the femtosecond laser pulse width real-time monitoring device proposed in this utility model.

[0014] Figure 2 This is a schematic diagram of the support stabilizing clamp in the femtosecond laser pulse width real-time monitoring device proposed in this utility model.

[0015] In the diagram: 1. Main substrate; 2. Integrated optical support module; 3. Support stabilizing clamp; 4. Fixing bolt; 5. Fixing hole; 6. Round hole. Detailed Implementation

[0016] The following is in conjunction with the appendix Figure 1-2 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0017] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is described as "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is described as "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] like Figure 1-2 As shown, this utility model provides a real-time monitoring device for femtosecond laser pulse width, including a main substrate 1, an integrated optical support module 2, and a support stabilizing clamp 3. The integrated optical support module 2 is provided in multiple ways, and the multiple integrated optical support modules 2 are used to install different optical elements. According to their different functions, the integrated optical support modules 2 are divided into incident module, nonlinear action module, dispersion control module and detection module. The optical elements include beam splitter, reflector, delay line and nonlinear crystal. The integrated optical support module 2 is vertically mounted on the main substrate 1 by a fixing bolt 4. The fixing bolt 4 and the integrated optical support module 2 are detachable structures connected by threads. The bracket stabilizing clamp 3 is composed of two clamping plates joined together. The bracket stabilizing clamp 3 has a circular hole 6 for clamping the fixing bolt 4. The bracket stabilizing clamp 3 has fixing holes 5 at both ends. The axial direction of the fixing holes 5 is perpendicular to the plate surface direction of the bracket stabilizing clamp 3, which is used to further fix the clamped integral optical bracket module 2 group to the main base plate 1. The main substrate 1 is provided with a matrix of threaded holes for flexible positioning and installation of the fixing bolts 4 of the integral optical bracket module 2. The fixing holes 5 at both ends of the bracket stabilizing clamp 3 are through holes, and the two clamps are fixed together by fastening bolts. Multiple integrated optical support modules 2 are inserted into the threaded holes of the main substrate 1 through the fixing bolts 4 at their bottoms and locked from the back with nuts, thereby achieving vertical installation. In this embodiment, it includes four functional modules: an incident module for installing a beam splitter, an optical path adjustment module for installing a reflector and a delay line, a nonlinear action module for installing a nonlinear crystal and its angle fine-tuning mechanism, and a detection module for installing a spectrometer. Each module is an independent rigid metal component that integrates the necessary adjustment mechanism. The fixing bolts 4 are connected to the module body by threads, which facilitates disassembly and replacement. During assembly, all integral optical bracket modules 2 are first positioned and fixed on the main substrate 1 according to the optical path requirements. Then, the two plates of the bracket stabilizing clamp 3 are closed together so that the upper part of each fixing bolt 4 is embedded in the corresponding round hole 6. Finally, long bolts are passed through the fixing holes 5 at both ends to tightly hold all the fixing bolts 4 with the two clamps, thereby connecting all the modules into a solid whole at the top.

[0020] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A femtosecond laser pulse width real-time monitoring device, characterized in that, include: Main base plate(1); An integrated optical support module (2) is provided in multiple units. The multiple integrated optical support modules (2) are used to install different optical elements, including beam splitters, mirrors, delay lines and nonlinear crystals. The integrated optical support module (2) is vertically installed on the main substrate (1) by fixing bolts (4). The bracket stabilizing clamp (3) is composed of two clamps joined together. The bracket stabilizing clamp (3) has a round hole (6) for clamping the fixing bolt (4). The bracket stabilizing clamp (3) has fixing holes (5) at both ends. The axial direction of the fixing holes (5) is perpendicular to the plate surface direction of the bracket stabilizing clamp (3), which is used to further fix the clamped integral optical bracket module (2) group to the main base plate (1).

2. The femtosecond laser pulse width real-time monitoring device according to claim 1, characterized in that, The integrated optical support module (2) is divided into an incident module, a nonlinear action module, a dispersion control module and a detection module according to its different functions.

3. The femtosecond laser pulse width real-time monitoring device according to claim 1, characterized in that, The fixing bolt (4) and the integral optical bracket module (2) are detachable structures connected by threads.

4. The femtosecond laser pulse width real-time monitoring device according to claim 1, characterized in that, The fixing holes (5) at both ends of the bracket stabilizing clamp (3) are through holes, and the two clamps are fixed together by fastening bolts.

5. The femtosecond laser pulse width real-time monitoring device according to claim 1, characterized in that, The main substrate (1) is provided with a matrix of threaded holes for flexible positioning and installation of the fixing bolts (4) of the integral optical bracket module (2).

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