Request InfoMKS Ophir, Light & MeasurementThe PE9-ES-C pyroelectric laser energy sensor from Ophir Photonics is suitable for low-energy, short-pulse YAG and harmonic generation applications, as well as low-energy, long-pulse lasers. Operating from 150 nm to 12 µm, the sensor measures laser energies as low as 50 nJ at repetition rates up to 10 kHz. It features an 8-mm active-aperture area and supports pulse widths to 20 µs, while a user-adjustable threshold prevents false readings in noisy environments. 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