In a compact laser measuring device with a high level of transmission power the problem arises of the laser detector being dazzled by unwanted stray light. To resolve that problem there is provided a module (2) for a laser measuring device (4) which includes a laser source (6, 36), a transmission li
In a compact laser measuring device with a high level of transmission power the problem arises of the laser detector being dazzled by unwanted stray light. To resolve that problem there is provided a module (2) for a laser measuring device (4) which includes a laser source (6, 36), a transmission light guide (8, 38a-d) optically connected to the laser source (6, 36), a laser detector (10), a reception light guide (12) optically connected to the laser detector (10), a transmission reception light guide (16, 42a-d, 54) and a coupling element (14, 40a-d) which optically connects the transmission reception light guide (16, 42a-d, 54) to the laser source (6, 36) and the laser detector (10), wherein the transmission reception light guide (16, 42a-d, 54) is operatively connected to a light amplifier element (22).
대표청구항▼
The invention claimed is: 1. A module for a laser measuring device comprising a laser source, a transmission light guide, which is optically connected to the laser source, a laser detector, a reception light guide, which is optically connected to the laser detector, a transmission reception light g
The invention claimed is: 1. A module for a laser measuring device comprising a laser source, a transmission light guide, which is optically connected to the laser source, a laser detector, a reception light guide, which is optically connected to the laser detector, a transmission reception light guide and a coupling element which optically connects the transmission reception light guide to the laser source and to the laser detector, wherein the transmission reception light guide is operatively connected to a light amplifier element, the light amplifier element is connected to a pump source for optical pumping of the light amplifier element, the reception light guide includes an optical shutter element in the form of a light amplifier element, the light amplifier element is connected to a pump source for optical pumping of the light amplifier element and laser detector, pump sources, coupling element and laser source are electrically connectable to a control unit for control of the respectively elements. 2. A module according to claim 1, wherein the coupling element is a switching element through which the reception light guide is optically separable from the transmission reception light guide. 3. A module according to claim 1, wherein the transmission reception light guide is a multi-mode guide. 4. A module according to claim 1, wherein a light filter is arranged at the transmission reception light guide. 5. A module according to claim 1, wherein a plurality of said transmission reception light guides each include, respectively, a light amplifier element, which is optically activatable by the laser source. 6. A module according to claim 5, wherein a pump source is provided for excitation of the light amplifier elements. 7. A module according to claim 1, wherein an optical multiplexer is connected to the transmission reception light guide and which is connected to a plurality of further transmission reception light guides.
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