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用三只高消光比的冰洲石偏光棱镜组成的高精度可调光学衰减系统,具有使用波带宽(0.3～3μm),可调范围大(约50 dB),读数精(相对误差小于5％)的优点。
The high-precision tunable optical attenuation system consists of three high-extinction ratio iceland stone polarizing prisms with a wide range of usable wavelengths (about 0.3 to 3 μm), a large adjustable range (about 50 dB), fine readings (relative error less than 5% )The advantages.