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High-flux large-aperture high-precision wedge-shaped lens focusing device and five degrees-of-freedom adjustment method

A large-diameter, high-throughput technology, applied in installation, optics, instruments, etc., to avoid online optical adjustment

Active Publication Date: 2013-07-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-throughput large-diameter high-precision wedge-shaped lens focusing device and a five-degree-of-freedom adjustment method to solve the problem of laser device inertial constraints vacuum controllable high-throughput large-diameter optical focusing and optical focusing in frequency conversion systems , high-energy laser beam smoothing, vacuum isolation and debris protection

Method used

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  • High-flux large-aperture high-precision wedge-shaped lens focusing device and five degrees-of-freedom adjustment method
  • High-flux large-aperture high-precision wedge-shaped lens focusing device and five degrees-of-freedom adjustment method
  • High-flux large-aperture high-precision wedge-shaped lens focusing device and five degrees-of-freedom adjustment method

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specific Embodiment approach 1

[0063] Specific implementation mode one: combine Figure 1 to Figure 37 Describe this embodiment. The high-throughput, large-aperture, and high-precision wedge lens focusing device of this embodiment includes a lens squirrel cage front support adjustment assembly A, a lens module mechanism Q, a lens squirrel cage rear support adjustment assembly B, and a focus lens module housing C, the lens module mechanism Q includes a squirrel cage mechanism D, a lens focusing moving part E, a wedge lens part F, an upper rail part G, a lower rail part H, a beam sampling grating I, a beam shaping element J and a lens focusing drive Institution K;

[0064] The wedge lens part F, the beam sampling grating I and the beam shaping element J are installed on the lens focusing moving part E, the lens focusing driving mechanism K is installed on the lens focusing moving part E, the lens focusing moving part E, the wedge lens part F. The beam sampling grating I, the beam shaping element J and the le...

specific Embodiment approach 2

[0077] Specific implementation mode two: combination image 3 , Figure 4 , Figure 6 , Figure 10 and Figure 12 To illustrate this embodiment, the first lens assembly disassembly guide bearing group of this embodiment includes a plurality of first guide bearings 12, a plurality of second guide bearings 13 and a plurality of third guide bearings 14, and a plurality of first guide bearings 12 , a plurality of second guide bearings 13 and a plurality of third guide bearings 14 are all arranged on the upper side of the wedge-shaped lens positioning frame 6, wherein a plurality of first guide bearings 12 are used to move the frame with the lens in the moving frame assembly The front end of the fitting 3 is frictionally guided on the contact surface, and a plurality of second guide bearings 13 are used for friction guidance on the rear side contact surface of the focusing lens guide plate 4 on the lens moving frame top plate 2 in the moving frame assembly. The guide bearing 14...

specific Embodiment approach 3

[0082] Specific implementation mode three: combination image 3 , Figure 4 , Figure 6 , Figure 10 and Figure 12 To describe this embodiment, each guide bearing in the detachable guide bearing group of the first lens assembly of this embodiment is a deep groove ball bearing. Other compositions and connections are the same as those in the second embodiment.

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Abstract

The invention discloses a high-flux large-aperture high-precision wedge-shaped lens focusing device and a five degrees-of-freedom adjustment method and relates to a wedge-shaped lens focusing technology. The invention aims to solve the problems of optical focusing and smoothing of high-energy laser beams in an inertial confinement vacuum controllable high-flux large-aperture optical focusing and frequency conversion system of a laser device. A wedge-shaped lens component is installed on a lens focusing mobile component; a lens focusing drive mechanism is installed on the lens focusing mobile component; the mechanisms such as the lens focusing mobile component, the wedge-shaped lens component and the lens focusing drive mechanism are installed in a mouse cage mechanism; a front support component and a rear support component are arranged at the front and rear sides of a mouse cage; and a lens module mechanism is installed in a focusing lens module shell. Through the mouse cage mechanism, up-and-down, left-and-right movement, four degrees-of-freedom adjustment of pitching and deflection of the internal lens module mechanism thereof can be realized; and through the lens focusing mechanism, one-dimensional on-line adjustment of the lens module mechanism along the optical axis can be realized. The high-flux large-aperture high-precision wedge-shaped lens focusing device disclosed by the invention is used for focusing of wedge-shaped lenses.

Description

technical field [0001] The invention relates to a wedge-shaped lens focusing technology, in particular to a high-throughput, large-diameter, and high-precision wedge-shaped lens focusing device and a five-degree-of-freedom adjustment method. Background technique [0002] In the inertial confinement laser fusion device, the high-throughput large-aperture high-precision wedge lens focusing device is the core component of the vacuum controllable high-throughput large-aperture optical focusing and frequency conversion system. The main function is to use the principle of wedge lens dispersion to achieve color separation, to focus the clean triple frequency light on the target point through the one-dimensional longitudinal focusing of the wedge lens, and to focus a certain proportion of the triple frequency beam at a certain angle through the phase optical element Sampling is carried out to the triple frequency parameter measurement module, and the beam is smoothed at the same tim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/04
Inventor 梁迎春于福利郭永博卢礼华张庆春
Owner HARBIN INST OF TECH
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