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Based on the most widely used proportional-integrator controller of the tip-tilt correction loop in an adaptive optical system, the relationship between the optimal closed-loop bandwidth and the atmosphere turbulence as well as the sensor noise is analyzed. Numerical simulation is also performed by using the time serial signals that follow the power spectrum density of the global tilt of Kolmogorov turbulence. Results show that with different atmosphere turbulences and sensor noises, the correction capability of the tip-tilt correction loop can be brought into full play by choosing appropriate closed-loop bandwidth and the residual variance can be reduced.
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Keywords:
- adaptive optics /
- tip-tilt tracking /
- Tyler frequency /
- closed-loop bandwidth
[1] Jiang W H, Li M Q, Tang G M, Ling N, Li M, Zheng D F 1995 Opt. Eng. 34 15
[2] Guo Y M, Ma X Y, Rao C H 2013 Acta Phys. Sin. 62 134207 (in Chinese) [郭友明, 马晓燠, 饶长辉 2013 62 134207]
[3] Luo Q, Huang L H, Gu N T, Rao C H 2012 Chin. Phys. B 21 094201
[4] Ning Y, Zhou H, Yu H, Rao C H 2009 Chin. Phys. B 18 1089
[5] Guo Y M, Ma X Y, Rao C H 2012 Proc. SPIE 8415 84150X
[6] Hardy J W 1998 Adaptive Optics for Astronomical Telescopes (New York: Oxford University Press) pp316–344]
[7] Parenti R R, Sasiela R 1994 J. Opt. Soc. Am. A 11 288
[8] Rigaut F, Gendron E 1992 Astron. Astrophys. 261 677
[9] Tyler G A 1994 J. Opt. Soc. Am. A 11 358
[10] Li X Y, Jiang W H 1997 Acta Opt. Sin. 17 1697 (in Chinese) [李新阳, 姜文汉 1997 光学学报 17 1697]
[11] Rao C H, Jiang W H 1996 High Power Laser and Particle Beams 8 469 (in Chinese) [饶长辉, 姜文汉 1996 强激光与粒子束 8 469]
[12] Li X Y, Jiang W H 2000 Acta Opt. Sin. 20 1328 (in Chinese) [李新阳, 姜文汉 2000 光学学报 20 1328]
[13] Kulcsar C, Raynaud H F, Petit C, Conan J M, Lesegno P V 2006 Opt. Express 14 7464
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[1] Jiang W H, Li M Q, Tang G M, Ling N, Li M, Zheng D F 1995 Opt. Eng. 34 15
[2] Guo Y M, Ma X Y, Rao C H 2013 Acta Phys. Sin. 62 134207 (in Chinese) [郭友明, 马晓燠, 饶长辉 2013 62 134207]
[3] Luo Q, Huang L H, Gu N T, Rao C H 2012 Chin. Phys. B 21 094201
[4] Ning Y, Zhou H, Yu H, Rao C H 2009 Chin. Phys. B 18 1089
[5] Guo Y M, Ma X Y, Rao C H 2012 Proc. SPIE 8415 84150X
[6] Hardy J W 1998 Adaptive Optics for Astronomical Telescopes (New York: Oxford University Press) pp316–344]
[7] Parenti R R, Sasiela R 1994 J. Opt. Soc. Am. A 11 288
[8] Rigaut F, Gendron E 1992 Astron. Astrophys. 261 677
[9] Tyler G A 1994 J. Opt. Soc. Am. A 11 358
[10] Li X Y, Jiang W H 1997 Acta Opt. Sin. 17 1697 (in Chinese) [李新阳, 姜文汉 1997 光学学报 17 1697]
[11] Rao C H, Jiang W H 1996 High Power Laser and Particle Beams 8 469 (in Chinese) [饶长辉, 姜文汉 1996 强激光与粒子束 8 469]
[12] Li X Y, Jiang W H 2000 Acta Opt. Sin. 20 1328 (in Chinese) [李新阳, 姜文汉 2000 光学学报 20 1328]
[13] Kulcsar C, Raynaud H F, Petit C, Conan J M, Lesegno P V 2006 Opt. Express 14 7464
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