Device for Simultaneously Measuring Power, Spectrum and Beam Quality of High Power Fiber Lasers
A fiber laser and beam quality technology, applied in measuring devices, testing optical performance, instruments, etc., can solve difficult problems such as simultaneous and accurate measurement of power, spectrum and beam quality, improve measurement efficiency and accuracy, and avoid interference factors , Improve the effect of measurement efficiency
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[0041] Figure 4 It depicts an optical circuit diagram of a device for synchronously measuring the power, spectrum and beam quality of a high-power fiber laser. The laser beam output from the QBH output port of the high-power fiber laser is collimated by the collimator 1 and then emitted as parallel light. The emitted laser After hitting the high reflection mirror 2, it is divided into the first reflected light and the first transmitted light. The first reflected light hits the plano-concave mirror 3 and becomes diffused light. The diffused light hits the target surface 4 of the power meter. The power meter target surface 4 converts the measured thermal signal into a voltage signal and sends it to the power meter 5 to obtain output power. The first transmitted light hits the first wedge plate 6-1 and is divided into the second reflected light and the second transmitted light. After the second transmitted light is attenuated by the first multi-slot pluggable attenuator 7-1, it...
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