To avoid the phenomena of photon overlap, many measures such as neutral optical attenuator, gate switch and reducing the gain of PMT, are taken to enhance accuracy of ozone measurements.

• 为避免产生光子并合现象的产生,可以利用在接收光路上加装中性衰减片、提高光电倍增管开始工作的高度和降低光电倍增管增益等措施来分段测量,提高臭氧测量的精度。