(under subclass 165) Subject matter wherein the radar test apparatus includes a device for transforming incoherent light of various frequencies of vibration into a very narrow, intense beam of coherent light.
SEE OR SEARCH THIS CLASS, SUBCLASS:
54, for radar apparatus combined with laser means.
SEE OR SEARCH CLASS
356, Optics: Measuring and Testing, appropriate subclasses for laser radar, per se, and measuring and testing with visible light.