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7 terms
Photonics Dictionary: P
Clear All Filters x
Amplifier x
P x
PA
power amplifier
parametric oscillator
A device using a parametric amplifier inside a resonant optical cavity to generate a frequency-tunable coherent beam of light from an intense laser beam of fixed frequency. This device is tuned by...
parasitic oscillation
Oscillation in rod and disc amplifiers that critically limits the achievable energy storage.
phase distrortion
Phase distortion refers to a change in the phase relationships between different frequency components of a signal. In the context of signal processing, it occurs when the phase response of a system...
photocoupler
->
optoisolator
An optical coupling device that uses light to bridge the gap between incompatible wire communications systems. It contains an input amplifier, a light-emitting diode, a photodiode and an output...
photodarlington
A Darlington current amplifier consisting of two separate transistors, of which a phototransistor is the input device.
photoisolator
->
optoisolator
An optical coupling device that uses light to bridge the gap between incompatible wire communications systems. It contains an input amplifier, a light-emitting diode, a photodiode and an output...
Photonics Dictionary
P
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