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Amplified Photodetectors:

EOT's amplified photodetectors also utilize PIN photodiodes, however, these photodiodes are used in conjunction with high speed transimpedance amplifiers. These transimpedance amplifiers greatly enhance the sensitivity of the photodetectors, allowing light levels as low as 100nW to be measured. Typical gain in EOT's amplified photodetectors is 26dB. It should be noted that EOT's amplified photodetectors are AC coupled and have a low frequency cutoff of 75kHz.