| 摘要 |
FIELD: measuring equipment. ^ SUBSTANCE: device has laser radiation source 1, supporting and object tracts with light generators, conic ring backlight mirror 10 and image recorder 13, while said mirror 10 is made with angle near cone vertex 90, and resonator 12 is fixed in mirror 10 in such a way, that its geometric axis is combined to optical axis of mirror. ^ EFFECT: higher efficiency. ^ 2 dwg |
