Figure 2
From: Mid-infrared-scanning cavity ring-down CH2F2 detection using electronically tuned Cr:ZnSe laser

Output performances of the ET-Cr:ZnSe laser. (a) Wavelength tuning range and filter tuning curve of the AOTF. (b) Output optical spectra of the ET-Cr:ZnSe laser. (c) Temporal and spatial profiles at 2.4 µm. (d) Pulse width as a function of wavelength.