Fig. 1. Optical layout diagram of compound laser system

Fig. 2. Variation curves of transmission efficiency of polarization beam combiner with extinction ratio

Fig. 3. Variation curves of beam combination efficiency in near-infrared long wave band for different spectral widths with center wavelength

Fig. 4. Main hardware layout and software interface of beam-pointing detection system

Fig. 5. Measured value curves of transmission of polarized spectral flat film

Fig. 6. Reflectance curves of real dichroic mirror and simulated dichroic mirror