Matrix assisted laser desorption ion source laser and imaging integrated system

Abstract

The invention discloses a matrix assisted laser desorption ion source laser and imaging integrated system. The system comprises a lens cavity, whose bottom wall is provided with a light hole; an electronic lens is fixed under the lens cavity and shares the same central axis with the lens cavity; a left lens installation hole and a right lens installation hole are arranged in two sides of the bottom wall; the left lens installation hole, right lens installation hole, and the central axis of the light hole are in the same plane, the included angle [alpha] between the left lens installation hole and the central axis of the light hole is equal to the included angle [alpha] between the right lens installation hole and the central axis of the light hole; the intersection point of the left lens installation hole, right lens installation hole, and central axis is on the center point of a sample target under the electronic lens; the right lateral wall of the lens cavity is provided with a CCD imaging lens, the main optical axis is overlapped with the central axis of the right lens installation hole, an optical channel is arranged between a light inlet and a light outlet of the right lens installation hole, a reflected light convex lens is arranged on the light outlet of the right lens installation hole; an optical fiber head position adjusting device is arranged on the left lateral wall of the lens cavity, the main optical axis of the optical fiber head position adjusting device is overlapped with the central axis of the left lens installation hole, and the light inlet and light outlet of the left lens installation hole are respectively provided with a light inlet convex lens and a light outlet convex lens.

Description

technical field [0001] The invention relates to the field of matrix-assisted laser analysis ion source laser and imaging, in particular to an integrated system of matrix-assisted laser analysis ion source laser and imaging. Background technique [0002] A matrix-assisted laser desorption ion source is a device that can realize the process of decomposing a solid-state sample to be analyzed. The sample to be analyzed forms a solid state under normal pressure, which is made into a target sample and loaded into the vacuum system through the target mechanism. The analyzed protons are solidified on the target stage, the laser system and the CCD imaging system are fixed on the lens cavity system, and the central axes of the two are symmetrically distributed at a certain angle with respect to the central axis of the focus position of the target stage. The light of a certain wavelength is emitted through the laser system, and it is transmitted on the sample target through the optica...

AI Technical Summary

Problems solved by technology

At present, the existing technology has not yet integrated the laser system and the CCD imaging system, and the installation and fixing structure of a

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