Product/Service

Calibrated Portable Laser Energy Detectors

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Gentec-EO offers a series of portable pyroelectric energy detectors, photodiode energy detectors, and integrating sphere energy detectors for a variety of laser test and measurement applications.

Pyroelectric Energy Detectors

Gentec-EO offers energy detectors designed with a fast response pyroelectric material that acts as a source of electrical current when subjected to changes in temperature provided by the absorber. With light-absorbing material on the front of the pyroelectric device and a heatsink in the back, variations in temperature are converted in a voltage pulse that rises quickly to a level proportional to the laser energy.

Photodiode Energy Detectors

Gentec-EO photodiodes are devices made of semiconductor materials that convert light into an electrical current. Since the current is generated by the electron-hole pairs in the p-n junction of the semiconductor, the responsivity of this device depends on the bandgap of the material and varies greatly with wavelength. Compared to thermal sensors, photodiodes are faster, are less affected by temperature fluctuations and have lower noise levels. Products in the PE series use the photodiode technology.

Integrating Sphere Energy Detectors

An integrating sphere detector is composed of integrating spheres that act as attenuators to allow for the use of smaller and faster detectors. Integrating sphere energy detectors offer many advantages: fast response, high sensitivity, excellent spatial uniformity. This technology is used in the design of the M6 Series to create ultrafast energy meters that can detect all pulses for repetition rates up to 200 kHz. Several heads are available to choose from for a broad range of wavelengths and energy.

For additional information on the different types of energy detectors, visit the Gentec-EO site, or download the datasheet on their featured Pronto-250 series of portable power detectors.

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