| 摘要 |
FIELD: physics, laser technology. ^ SUBSTANCE: device of laser beam includes sealed case screening laser beam propagation area, with optic elements installed in the case and forming laser beam. Light detector connected to control device is installed beyond the laser beam propagation area, opposite to at least one optic element surface interacting with laser beam. ^ EFFECT: control of optic element state without halting whole system, or removal and adjustment upsetting of optic elements, or application of specific control devices. ^ 9 cl, 1 dwg |
