The Verifire™ QPZ represents ZYGO's newest Fizeau interferometer designed for uncompromised production metrology. A true laser Fizeau design, the Verifire™ QPZ utilizes proprietary methods to ensure reliable "ripple-free" phase measurements in vibration prone environments. Compatible with all standard ZYGO accessories the Verifire™ QPZ is the one interferometric solution that can be trusted to provide accurate surface metrology in both production and QC environments – without compromise.