Table 1.

Main Performance Parameter of the lidar.

Typical Parameter	Value
Wavelength	$\mathsf{\lambda }$on/$\mathsf{\lambda }$off(NO2)	3424.5/3405 nm
	$\mathsf{\lambda }$on/$\mathsf{\lambda }$off(SO2)	3988.9/3940.0 nm
	$\mathsf{\lambda }$on/$\mathsf{\lambda }$off(NO)	2657.4/2630.4 nm
Pulse energy	0.14 mJ/0.12 mJ
Pulse duration	20 ns
Pulse Linewidth	0.02 nm(on)/10 nm(off)
Pulse rate (on/off)	250 Hz/250 Hz
Sampling rate	60 MHz
Sampling digit	16 bit
Detector bandwidth	5 MHz
Detector sensitivity	6.5 × 104 V/W
Detector spectral response range	2.5–4.5 μm