Fig. 1. Schematic drawing of IR chamber (separate units for both nearand medium-IR wavelengths) with on a Teflon device fixed thermocouples on surface and in depths of 1, 3 and 8 mm; and marked position of the black body.
Fig. 1. Schematic drawing of IR chamber (separate units for both nearandmedium-IR wavelengths) with on a Teflon device fixed thermocoupleson surface and in depths of 1, 3 and 8 mm; and marked position of theblack body.