Fig. 1. Temperature effect on the spatial distribution of the diffracted optical intensity at the far-field replay plane, where (a) is recorded at a constant working temperature, while (b) has a 1% phase error caused by temperature variations.

Fig. 2. Optical setup for the temperature effect of phase-only nematic LCOS device. ND: neutral density filter (adjustment of diffracted intensity).

Fig. 3. Optical performance of the nematic LC BLO37 in the phase-only LCOS device in use when the working temperature varies from 15°C to 55°C. (a) Birefringence versus temperature for different wavelengths. (b) Phase modulation depth versus applied voltages with an empirical fitting using Eq. (2) at the wavelength of 633 nm.

Fig. 4. Temperature-dependent dielectric (a) permittivity and (b) anisotropy for BLO37.

Fig. 5. Threshold voltage of the BLO37 layer as a function of temperature.

Fig. 6. Response times: (a) rising time and (b) decay time in the phase-only LCOS device with BLO37 as a function of temperature.