Positive scale factor correction in the laser gyro

Frequency characteristic of a uniformly rotating laser gyroscope with differently amplified counterpropagating waves

“…(We will use the parameter L equal to 215.5 mm. In this case, the calculated 'arc pulse value' of the laser gyroscope will correspond to the value 3.147" reported in [8]. In addition, by introducing a small error to calculations, we will neglect the dispersion coefficients C] 2 in (2), thereby assuming that M=M".…”

“…As an example, we consider a laser gyroscope that was studied theoretically and experimentally in paper [8]. The gyroscope cavity has the form of an equilateral triangle with the nominal parameter /Q = 210 mm.…”

“…According to [8], «p = (c/L)y(N -1), where с is the speed of light; L is the perimeter of the axial contour; у are losses per transit; and Л^ is the relative excess of the pump energy over the threshold. We assume that N=IA5 and =1.8x10^1 Then, «p = 2я X 179465 s^ , which corresponds to Q" = 156.9 s^ .…”

Laser Gyro Theory Extension.

“…The frequencies of the waves depend linearly on the Typical aircraft inertial navigation systems require instruments rotation rate of the cavity with respect to an inertial frame capable of sensing rotation rates near 0.0 1 0 /h. Present ring la-[71, [8]. Conseque,-ss.y, the rotation rate is proportional to ser gyros are capable of sensing rotation rates down to 0.001 0/h the beat note.…”

“…Specifically, for the J = I -* 2 transitions (Ne 632. 8 The strong Doppler limit is valid when the Doppler width Ku sin, 1.153 pm, ano 3.39 Mim), the maximum value for the cou-is much greater than the decay rates and detuning (K is the pling parameter is 0.228 [18]. As seen from [37, Fig.…”