Research Article

Short-Wave Near-Infrared Spectrometer for Alcohol Determination and Temperature Correction

Table 2

The specifications of the developed SW-NIR spectrometer.

ItemsSpecifications

Wavelength range650–1100 nm
Signal-to-noise ratio500 (full wavelength)
Maximum optical resolution0.24 nm
Wavelength accuracy<1.2 nm
Wavelength precision<0.22 nm
Optical stray light<0.65%
Repeatability of straylight<0.1%
Integration time1 ms–10 sec (typical 2 ms)
Baseline stability0.0296 db (average)