An integrated high-power fiber laser collimation output and sampling monitoring integrated device
A fiber laser and integrated device technology, applied in the direction of lasers, laser components, phonon exciters, etc., can solve the problems of lack of high-power laser collimation output and sampling monitoring, etc., to achieve high laser power, convenient and flexible use, Meet the effect of collimated output
Active Publication Date: 2019-04-23
CHINA WEAPON EQUIP RES INST
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Problems solved by technology
At present, for high-power fiber laser, its output collimation and sampling monitoring are two sets of independent devices. In particular, sampling monitoring often uses multiple discrete devices to temporarily build optical paths, and there is no high-power laser collimation output and sampling monitoring. Integrated device
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specific Embodiment
[0025] Such as figure 1 Shown, the specific embodiment of the present invention is as follows:
[0026] A high-power optical fiber laser collimation output and sampling monitoring integrated integrated device, including a laser collimation cavity 1 and a laser sampling monitoring cavity 2. The laser collimation cavity is mainly composed of a fiber laser emitting device 3, a laser aperture 4, a laser collimation mirror 5, a main beam splitter 6, and an output isolation window 7; the laser sampling monitoring cavity 2 is mainly composed of a sampling focusing mirror 8 and a sampling beam splitter 9 , a first attenuation component 10 , a spot shape detection device 11 , a second attenuation component 12 , an aperture stop 13 , and a laser power detection device 14 .
[0027] The fiber laser emitting device emits a high-power laser beam with a certain divergence angle. The fiber laser emitting device 3 is connected to the laser collimator cavity 1 through an interface structure, ...
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The invention relates to a high-power fiber laser collimating output and sampling monitoring integrated device, which comprises a laser collimating cavity and a laser sampling monitoring cavity, wherein the laser collimating cavity and the laser sampling monitoring cavity are separated through a protective isolation plate, so that stray light in the laser collimating cavity is prevented from disturbing sampling monitoring, and a sampling beam is transmitted to the sampling monitoring cavity from the laser collimating cavity through a light pass hole in the isolation plate. Integration of the device is achieved; carried laser power is high; and collimating and monitoring of fiber laser of over myriawatts can be achieved. The high-power fiber laser collimating output and sampling monitoring integrated device is convenient and flexible to use, and can meet the collimating output of the fiber laser with different emission characteristics and multiple monitoring requirements through replacing internal components.
Description
technical field [0001] The invention relates to the field of high-power laser emission, in particular to a high-power optical fiber laser collimation output and sampling monitoring integrated integrated device. Background technique [0002] High-power fiber laser has the advantages of high power density, good beam quality, and compact structure. It has achieved rapid development in recent years and has extremely important applications in many fields such as industry, national defense, and modern high-tech. Since the laser beam emitted from the optical fiber has a certain divergence angle, the spot area becomes larger after a certain distance and the power density decreases. Therefore, the fiber laser in practical applications needs to be collimated first. At the same time, in order to ensure that the performance parameters such as laser power and spot shape meet the application requirements, it is necessary to perform sampling and monitoring while the laser is collimated and...
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IPC IPC(8): H01S3/10H01S3/067
Inventor 孙鑫鹏史俊锋杨振张马驰马长正孙涛
Owner CHINA WEAPON EQUIP RES INST