... Frequency Addition Source of Optical Radiation. It is a device similar to a lase where the emitted light is produced in a sum-frequency generation process from two laser sources that operate at different wavelengths. The frequencies of ...

... Frequency Addition Source of Optical Radiation (FASOR), 3 Frequency hopping spread spectrum (FHSS), 135 Frequency-modulated continuous-wave (FMCW), 402 Frequency spectrum of pulse (FSP), 373 G Ghost echoes, 61 Global acceptance (GA) ...