Fig. 1. Homemade temperature control device

Fig. 2. Absorption spectra of R1233zd at different temperatures in near infrared range

Fig. 3. Developed measurement system based on absorption spectroscopy

Fig. 4. Measurement results of film thicknesses. (a) Comparison of measured and known film thicknesses；(b) standard deviation of film thickness

Fig. 5. Experimental setup for investigating R1233zd film evaporation process on quartz plate

Fig. 6. Thickness versus time during evaporation process of R1233zd films

Fig. 7. Processed images at six specific moments during liquid film evaporation process by imaging method