The STEK-PCR12SR-532 from Sintec Optronics is a Pockels Cell with Clear Aperture 11 mm, Half Wave Voltage <3.5 kV, Wavelength Range 400 to 1100 nm (Transmission), Capacitance 6 pF, Pulse Width 10 ns. More details for STEK-PCR12SR-532 can be seen below.