a ringlaserkreisel is fitted with a ringlaser, preferably four legs and four eckenspiegel contains. at least one of the eckenspiegel is teildurchlu00e4ssig, and durchgelassene beam is determined and a digital signal is altered.the digital signal is reduced in two computerschleifen, in at least a digital / analog converter and then to a transducer of at least one eckenspiegel internal and external drives. one of the computerschleifen is a graded demodulator by the four steps per cycle of growth.the steps in the operating voltage of the transformer voltage, this voltage plus an increase in the supply voltage, and this voltage minus a reduction. the first loop sends an operating voltage to the digital / analog converter.the second loop demodulates the strahlsignal at a second harmonic of the modulation of the first loop to create a spannungssignal which the amplitude of the vertical and lateral support of the movable mirror controls.a modulator is synchronized with the demodulator. the first loop modulationssignal to the digital / analog converter, the movable mirror to move gradually. the operating voltage moves the mirror in a position, in which the laser cavity in its intensitu00e4tsmodenspitzenwerten works.
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