LIAD Lock-in Amplifier Detectors
MKS/NewportRequest Info
Ideal for calibrated power measurement of very low level light sources, LIAD detectors are used in conjunction with chopped (at 18 Hz) CW or quasi CW radiation. Wavelengths range from 0.15 to 12 µm, power measurement down to 300 fW, and capable of a pulsed source with a 200 Hz or higher frequency.
https://www.newport.com/f/liad-lock-in-amplifier
https://www.photonics.com/Buyers_Guide/MKS_Newport/c10218