FIELD: instrument engineering.
SUBSTANCE: invention relates to the field of optoelectronic instrument making and concerns an optical system for forming and guiding a laser beam. System includes a scanning device, a transmitting laser module with a fiber-optic output, an off-axis parabolic mirror structurally connected to the guidance device, a focusing unit which includes a mechanism for moving the end of the core along its optical axis and a flat secondary mirror, on which a laser beam is directed, which, when reflected, falls on the main mirror. For the focal radius-vector of the point of the complete parabola, which is the center of the main mirror, the tangent plane to the main mirror at this point is parallel to the plane of the secondary mirror. Secondary mirror is structurally connected to the scanning device and reflects a laser beam passing from the end of the fiber-optic output core in the form of a divergent beam of beams to the main mirror, which in its turn reflects the low-divergent laser beam onto the image plane.
EFFECT: technical result consists in improvement of the laser beam direction, reduction of aberrations and reduction of weight and size characteristics of the system.
1 cl, 2 dwg
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