# Frequency Addition Source of Optical Radiation

> guide star instrument used by the U.S. Air Force

**Wikidata**: [Q3610473](https://www.wikidata.org/wiki/Q3610473)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frequency_addition_source_of_optical_radiation)  
**Source**: https://4ort.xyz/entity/frequency-addition-source-of-optical-radiation