Table 3.

The parameters and models of the key modules used in the sensor system.

Module	Laser	Laser Current Driver and Temperature Controller
	Wavenumber range	Model	Current range	Temperature
Value/Type	6520.4−6522.0 cm−1	LDTC0520, Wavelength Electronics, USA	38–96 mA	23.8 °C
Module	Detector	Data acquisition card
	Model	Model	Sampling rate
Value/Type	PDA10, Thorlabs, USA	USB-6211, National Instrument, USA	100 kHz