Figure 1.5 (a) Laser emission spectrum and (b) reflection spectrum of mirror polymer cholesteric liquid crystal when the temperature is 48 ̊C and the pump energy is 4.56μJ, the measurement position is from 4mm to 11mm
Figure 1.5 has a temperature of 48̊C, and at a pumping energy of 4.56μJ, the measurement position is from 4mm to 11mm, mirroring the (a) laser emission spectrum of the polymer bile phase liquid crystal, and (b) the reflective spectrum
Fig. 1.5 the (a) laser emission spectrum and (b) reflection spectrum of the polymer cholesteric liquid crystal are measured from 4mm to 11mm at 48 ̊ C and 4.56 μ J pump energy<br>