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Newport Corporation introduces three additions to the Newport 818P Series of thermopile detectors: the fan-cooled 818P-500-55, the water-cooled 818P-3KW-060 and the high-sensitivity 818P-001-12NIR.

Newport is meeting more demanding customer requirements with these updated sensors, one of which is capable of measuring as low as 1uW range with very low thermal drift, and another that can measure up to 3kW of continuous-wave (CW) optical power.

The 818P-500-55 thermopile detector with cooling fan can handle up to 500W of continuous optical power (up from Newport’s previous 400W limit for a fan-cooled thermopile detector).

The device also features a 55mm diameter active area and very flat responses in an extended wavelength range from 0.19 to 20 microns.

Newport’s second model, the 818P-3KW-060, is a water-cooled detector that can handle up to 3kW of CW optical power, the highest possible power for Newport optical detectors.

When illumination is limited, it can handle up to 4kW of power for up to five minutes.

Strategically designed to perform effectively and with low sensitivity to the cooling water temperature, this model is suitable for lasers with a very high optical output power, such as CO2 lasers and fibre lasers.

Output connections include an attached cable with a DB15 connector (for use with a Newport optical power meter) and/or a USB port for direct interface without a power meter.

The third product in the range is the high-sensitivity 818P-001-12NIR thermopile optical sensor.

It is designed to measure down to micro-watt level optical power, with a wavelength range from 0.28 to 1.36 microns.

This product is insensitive to beam position and offers the spatial dependence of thermopiles, while retaining the high sensitivity available only with photodiodes.

It is suitable for users working with lasers in the uW and mW range and those requiring a much lower thermal drift (a low of 6uW/C) than standard thermopile detectors.

Newport’s 818P-001-12NIR is calibrated with a fused silica window mounted on the tube, so that long wavelengths (greater than 1.36 microns) can be cut out of the measurement.

Newport Corporation is a leading global supplier of advanced-technology products and systems to customers in the scientific research, microelectronics manufacturing, aerospace and defense/security, life and health sciences and precision industrial manufacturing markets. Newport’s innovative solutions leverage its expertise in high-power semiconductor, solid-state and ultrafast lasers, photonics instrumentation, sub-micron positioning systems, vibration isolation, optical subsystems and precision automation to enhance the capabilities and productivity of its customers’ manufacturing, engineering and research applications. Newport is part of the Standard & Poor’s SmallCap 600 Index and the Russell Microcap Index.

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