Continuously adjustable mid-IR power: 0 to 1 mW
CW single mode / single-frequency operation
Near-Gaussian circular beam profile (F/#~130)
Spectral linewidth: <0.5 MHz
Tunablity: +/- 10 cm-1
Wavelengths: 3.4 - 3.7 μm (limited by bandwidth of fiber amplifiers; can be extended to 3 - 4.4 μm)
Spectroscopic Sensitivity: 2E-7 (absorbance)
~4 pptv CH2O minimal detection concentration (3.52 µm)
Response time: 1s - 60s (dependent on sensitivity requirement)
Optical Set-up:
