Request InfoGentec-EO USA Inc.LAKE OSWEGO, Ore., May 26, 2009 – Spectrum Detector Inc. has expanded its line of “delta” pyroelectric joulemeter probes with the introduction of the model DPJ-25-OB, which features an optical black absorbing coating for flat spectral response from 0.25 to 15 µm, and model DPJ-25-DC, which includes a diffuse metallic absorbing coating that eliminates specular reflectance. The DPJ-25-OB can be used for pulsed sources running at up to 400 pps; the DPJ-25-DC enables pulsed measurements at repetition rates in excess of 40,000 pps. 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