illuminating laser

  • 111linescan — The device for scanning successive narrow strips of the ground to produce a picture of the terrain over which the aircraft is flying. An active optical linescan uses an airborne illuminating device such as a laser, whereas a passive optical… …

    Aviation dictionary

  • 112hologram — hol•o•gram [[t]ˈhɒl əˌgræm, ˈhoʊ lə [/t]] n. opt a three dimensional image of an object produced by recording on a photographic plate or film the patterns of interference formed by a split laser beam and then illuminating the pattern with usu.… …

    From formal English to slang

  • 113hologram —   n. photograph taken, without a lens, by the interference of two laser beams, one illuminating the object and the other directed on to the film or plate; three dimensional image produced from such a photograph.    ♦ holography, n.    ♦… …

    Dictionary of difficult words