Real-time control of optical tweezers

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6644, Issue , 2007, Pages

  Wallin, Anders E ^a   Ojala, Heikki ^a   Korsbäck, Anders ^a   Hæggström, Edward ^a   Tuma, Roman ^b  

^a UNIVERSITY OF HELSINKI   (Finland)

^b UNIVERSITY OF HELSINKI   (Finland)

Author keywords

Digital signal processing; Feedback control; FPGA; Optical tweezers; Real time

Indexed keywords

CLOSED LOOP CONTROL SYSTEMS; DIGITAL SIGNAL PROCESSORS; FIELD PROGRAMMABLE GATE ARRAYS (FPGA); REAL TIME CONTROL;

CONSTANT FORCE; TRAP STIFFENING;

OPTICAL TWEEZERS;

EID: 42149089187     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.737269     Document Type: Conference Paper

References (18)

1. Gray, M.B., et al., "A simple high-sensitivity interferometric position sensor for test mass control of an advanced LIGO interferometer," Opt. Quant. Electron., 31, 571-582 (1999).
2. Schitter, G., et al, "High performance feedback for fast scanning atomic force microscopes," Rev. Sci. Instrum., 72(8), 3320-3327 (2001).
3. Li, Y. and J. Bechhoefer, "Feedforward control of a closed-loop piezoelectric translation stage for atomic force microscope," Rev. Sci. Instrum., 78, 137021-137028 (2007).
4. Berglund, A.J., K. McHale, and H. Mabuchi, "Feedback localization of freely diffusing fluorescent particles near the optical shot-noise limit," Opt. Lett., 32(2), 145-147 (2007).
5. Cohen, A.E. and W.E. Moerner, "Suppressing Brownian motion of indicidual biomolecules in solution," Proc. Natl. Acad. Sci. USA., 103(12), 4362-4365 (2006).
6. Lang, M.J., et al., "An Automated Two-Dimensional Optical Force Clamp for Single Molecule Studies," Biophys. J., 83, 491-501 (2002).
7. Pilizota, T., et al., "A programmable optical angle clamp for rotary molecular motors," Biophys. J., 93, 264-275 (2007).
8. Simmons, R.M., et al., "Quantitative Measurements of Force and Displacement Using an Optical Trap," Biophys. J., 70, 1813-1822 (1996).
9. Ranaweera, A. and B. Bamieh, "Modelling, identification, and control of a spherical particle trapped in an optical tweezer," Int. J. Robust. Nonlin., 15, 747-768 (2005).
10. Gittes, F. and C.F. Schmidt, "Interference model for back-focal-plane displacement detection in optical tweezers," Opt. Lett., 23(1), 7-9 (1998).
11. Berg-Sorensen, K., et al., "Unintended filtering in a typical photodiode detection system for optical tweezers," J. Appl. Phys., 93(6), 3167-3176 (2003).
12. Huisstede, J., et al., "Dependence of silicon position-detector bandwidth on wavelength, power, and bias," Opt. Lett., 31(5), 610-612 (2006).
13. Rohrbach, A., H. Kress, and E.H.K. Stelzer, "Three-dimensional tracking of small spheres in focused laser beams: influence of the detection angular aperture," Opt. Lett., 28(6), 411-413 (2003).
14. Crocker, J.C. and D.G. Grier, "Methods of Digital Video Microscopy for Colloidal Studies," Journal of Colloid and Interface Science, 179, 298-310 (1996).
15. Berg-Sorensen, K. and H. Flyvbjerg, "Power spectrum analysis for optical tweezers," Rev. Sci. Instrum., 75(3), 594-612 (2004).
16. Carter, A.R., et al., "Stabilization of an optical microscope to 0.1 nm in three dimensions," Appl. Opt., 46(3), 421-427 (2006).
17. Abbondanzieri, E.A., et al., "Direct observation of base-pair stepping by RNA polymerase," Nature, 438(24), 460-465 (2005).
18. Wong, W.P. and K. Halvorsen, "The effect of integration time on fluctuation measurements: calibrating an optical trap in the presence of motion blur," Opt. Express, 14(25), 12517-12531 (2006).