LASER HOLOGRAPHIC LOCATOR Russian patent published in 2024 - IPC G01S17/02 

FIELD: laser ranging and quantum electronics.

SUBSTANCE: invention is intended to create holograms of space objects of artificial and natural origin in order to obtain more complete information about them in the form of their three-dimensional image. Essence: a laser holographic locator contains a telescope, a laser transmitter and local oscillator, three laser amplifiers, a television camera and a photoreceiving unit, a dynamic spectral filter, scanning and frequency shifting units for laser radiation. Registration of a hologram of a moving distant space object is ensured through the use of highly efficient laser amplifiers and simultaneous compensation of the Doppler frequency shift of laser radiation reflected from the observed object. In this case, the object and reference beams of laser radiation are subjected to quantum amplification when forming a hologram of the observed space object, and the reference beam of laser radiation is formed by spatial filtering of laser radiation reflected from the observed object. When observing a space object from the Earth's surface through a layer of turbulent surface atmosphere, the proposed laser holographic locator ensures, without the use of complex and ineffective adaptive optics, the implementation of the maximum diffraction resolution of the telescope used by compensating for turbulent distortions of the atmosphere in the recorded hologram when it is processed in a computer using a special program image restoration. The proposed laser holographic locator can be used to monitor outer space in order to prevent collisions of spacecraft with worn-out elements of artificial space objects and various natural space objects, such as asteroids.

EFFECT: increasing the efficiency of a laser holographic locator in conditions of tracking moving distant space objects, increasing sensitivity when registering a hologram of a moving space object.

5 cl, 2 dwg