Gradual shifting of the spectral band toward high-frequency presents upward thickening succession, which means the upward net depositional rate decrease.
能谱带逐渐向高频方向转移，反映一个向上变薄的序列，即向上净沉积速率减小。
2
The invention introduces the design of the phase shifting piece and a concrete preparing method, as well as the calculated optical performance of the wide-band phase shifting piece, etc.