| 摘要 |
FIELD: physics, optics. ^ SUBSTANCE: observation device comprises body with the first flat-parallel plate installed in it, at that the first plate is made of radiation-resistant optical glass, and the second flat-parallel plate installed additionally serially to the first plate, and the second plate is arranged as composite of flat-parallel plates made of carbon-bearing material with air gaps between them. ^ EFFECT: provision of specified protective properties of observation device relative to effect of gamma-neutron radiation with simultaneous provision of specified required optical parameters that determine observability from operator's place in process of observation via observation device. ^ 5 cl, 4 dwg |
