Two-point coincidence linear laser module

The utility model provides a two-point coincidence linear laser module. The two-point coincidence linear laser module comprises a shell, a pupil formed in the front end surface of the shell, and a cylindrical lens which is arranged at the position of the pupil and is used for generating a linear las...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SONG YANPENG, DU XIJING, LUO MOLI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model provides a two-point coincidence linear laser module. The two-point coincidence linear laser module comprises a shell, a pupil formed in the front end surface of the shell, and a cylindrical lens which is arranged at the position of the pupil and is used for generating a linear laser ray, wherein the front end surface of the shell is provided with two symmetrical light leakage holes. The symmetrical light leakage holes are arranged at the position of the pupil or around the pupil, and the mounting position of the cylindrical lens is not changed, so that the axis of the cylindrical lens can vertically intersect with the axis of the pupil, symmetrical laser points can be generated, and the axial symmetry of installation can be guaranteed; furthermore, the two laser points can be generated within a distance range, which can help the setting of a reference point very well; the two laser points do not pass through the cylindrical lens, so that the power loss is not caused, and the laser is cleare