[oakkar]’s optical power meter uses these SPF transceivers, tied together with a fairly simple circuit consisting of an Arduino, a few tact switches, a Nokia LCD, and an FTDI UART.

An optical power meter and laser and LED sources comprise the new 500 Series of handheld optical instruments. The Model 510 optical power meter offers a choice of three different detectors: 3-mm ...

The Optical Power Meter app, combined with a Bluetooth-enabled physical power meter, offers an interesting solution to making sure your lasers are firing at the correct wattage.

The CableMaster FO is a fiber optic power meter capable of measuring 7 different wavelengths. Power can be measured in decibel-milliwatts (dBm), decibels (dB) or milliwatts (mW).