The NSP-D-12 from Jinan Nanosecond Optoelectronics Technology is a Pockels Cell with Clear Aperture 11.5 mm, Wavelength Range 250 to 1300 nm, Quarter Wave Voltage 3200 to 3800 V, Capacitance 6 pF, Pulse Width 10 ns. More details for NSP-D-12 can be seen below.