The PE50U-DIFH-C Ophir Optronics is a Pyroelectric Energy Meter with a high damage threshold diffuser for concentrated beams. It has a 35mm aperture and can measure energies from 100μJ up to 10J. It can measure up to 25 W of power (40 W with optional heat sink) and has a damage threshold of 90J/cm² for 2ms pulses. It can operate at repetition rates up to 10kHz and covers the spectral range from 0.19-2.2, 2.94μm. The CE, China RoHS compliant sensor comes with a standard 1.5meter cable for connecting to a meter or PC interface.