Does the photodiode come with a measuring device (voltmeter)? If not, what measuring device is recommended?
NIST does not provide a measuring device. Most customers use an current-to-voltage convertor (op-amp), either home-built or commercial. You will want to measure the current from the photodiode, and there are several vendors who can supply equipment to do this. However, do NOT use a DMM to measure the current from a photodiode. Because most DMMs measure current by measuring the voltage drop across a resistor, you will not be measuring the current from the photodiode correctly. For information about building electronics for your detector, see the following publications by George Eppeldauer. NIST Technical Note 1438 – Optical Radiation Measurement with Selected Detectors and Matched Electronic Circuits Between 200 nm and 20 m (13.9 MB) NIST Technical Note 1621 – Optical Radiation Measurements Based on Detector Standards (8.0 MB) Commercial devices vary by price and quality. Make sure to consider stability. An amp meter may have good specifications, such as low noise, high dynamic range, e
NIST does not provide a measuring device. Most customers use an current-to-voltage convertor (op-amp), either home-built or commercial. You will want to measure the current from the photodiode, and there are several vendors who can supply equipment to do this. However, do NOT use a DMM to measure the current from a photodiode. Because most DMMs measure current by measuring the voltage drop across a resistor, you will not be measuring the current from the photodiode correctly. For information about building electronics for your detector, see the following publications by NIST Staff, George Eppeldauer. NIST Technical Note 1438 – Optical Radiation Measurement with Selected Detectors and Matched Electronic Circuits Between 200 nm and 20 m (13.9 MB) NIST Technical Note 1621 – Optical Radiation Measurements Based on Detector Standards (8.0 MB) Commercial devices vary by price and quality. Make sure to consider stability. An amp meter may have good specifications, such as low noise, high dyna
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