实验验证了此光弹调制器标定方法，实验结果表明其标定误差仅为0.7%。
The calibration method was verified by experiments. The calibrated error of the method is less than 0.7%.
针对现有光弹调制器标定方法的不足，提出了一种精确标定光弹调制器的新方法。
A new method to calibrate accurately a photoelastic modulator is proposed to compensate for the shortcomings of current calibration methods.
提出基于光弹调制器式反射差分技术的多通道并行测量新方案，完成一台双通道并行测量样机。
A new multi-wavelength parallel measurement method is proposed and a two-wavelength spectrometer for PEM-based-RDS is developed.
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