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Integrating Sphere Power Meter: Fast and robust power measurements

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Integrating Sphere Power Meter:

Fast and robust power measurements

Get the best of both worlds with Gentec-eo’s new integrating sphere power meters. This technology offers the fast risetime of photodetectors with the high average power of thermal detectors.

  • 12 mm Ø aperture
  • Measures up to 9 W of continuous power
  • Integrated signal processing with either USB or RS-232 output

The integrating sphere power meter will be available in autumn 2019.

 Working principle

An integrating sphere detector is composed of two elements. First, light enters a hollow sphere through a small aperture and it diffuses inside the sphere with multiple reflections on the sphere’s inner coating. Second, a small uniformly-lit aperture at another position in the sphere samples a portion of this diffused light and sends it onto a sensor.

Basically, integrating spheres act as attenuators to allow for the use of smaller and faster detectors. Integrating sphere power detectors offer many advantages: fast response, high sensitivity, excellent spatial uniformity.

We currently offer only one model of integrating sphere power detectors but, as with all our other product lines, we are always ready to work with you on the design of a custom product that will perfectly suit your measurement needs.

Integrating sphere power meter product page:

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