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Integrating Detectors

Photonics Spectra
Oct 2012
Newport CorporationRequest Info
IRVINE, Calif., July 24, 2012 — Newport Corp.’s Series 819C/D, high-power silicon-based integrating sphere detectors that operate in the ultraviolet (down to 200 nm), can handle up to 10 W of optical power. The CAL2 models feature a built-in temperature sensor and OD1 attenuator sensor. When connected to the company’s 1830-R, 1918-R, 1936-R or 2936-R power meter models, they automatically recognize the attenuator on/off position and the detector head temperature.

Calibrated and NIST-traceable, the instruments operate in wavelengths ranging from the UV through the visible to the NIR at 1650 nm. They offer accurate measurements with small calibration uncertainty specifications. Available for both diverging (model 819C) and collimated (model 819D) input beams, the line extension to UV and higher-power features make this series suitable for critical optical power measurement applications.

Three sensor materials are used: Si, for detection between 400 and 1100 nm; UV-enhanced Si, optimized for 200 to 400 nm (but calibrated up to 1100 nm); and InGaAs, which operates in the 800- to 1650-nm-wavelength range. Sphere sizes range from 2 to 5.3 in.

All are supplied with an SMA fiber optic connector on the north pole. This permits a small amount of light pickoff for wavelength measurement or further analysis, without affecting the overall system calibration.


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