Figure 5
Evaluation of the detection limit of the CD signal.
Transmission (a) and CD (b) images of the fused silica substrate whose partial area was coated with a 1-nm Cr layer. The wavelength of observation was 700 nm; the time constant for lock-in detection was 300 ms. (c) Line profile of the CD signal along the dashed lines in (a) and (b). The standard deviation (noise level) was estimated to be 0.00061 OD.
