Laser tweezers for determining anisotropic viscosity coefficients of nematic liquid crystals

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7762, Issue , 2010, Pages

  Sanders, Jennifer L ^a   Dickinson, Mark R ^a   Gleeson, Helen F ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Anisotropic viscosity; Laser tweezers; Liquid crystals; Microfluidics; Micromanipulation; Optical trapping; Power spectral density

Indexed keywords

ANISOTROPIC VISCOSITY; LASER TWEEZERS; MICRO MANIPULATION; OPTICALTRAPPING; POWER SPECTRAL;

ALIGNMENT; ANISOTROPY; COMPUTER CONTROL SYSTEMS; CRYSTALS; DYNAMIC RESPONSE; LIQUID CRYSTALS; LIQUIDS; MICROFLUIDICS; MICROMANIPULATORS; OPTICAL TWEEZERS; POWER SPECTRAL DENSITY; SHEAR VISCOSITY;

NEMATIC LIQUID CRYSTALS;

EID: 77958114260     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.862853     Document Type: Conference Paper

References (20)

1. Ashkin, A., "Acceleration and trapping of particles by radiation pressure," Physical Review Letters 24(4), 156-159 (1970).
2. Ashkin, A., Dziedzic, J. M., Bjorkholm, J. E., and Chu, S., "Observation of a single-beam gradient force optical trap for dielectric particles," Optics Letters 11(5), 288-290 (1986).
3. Abbondanzieri, E. A., Greenleaf, W. J., Shaevitz, J. W., Landick, R., and Block, S. M., "Direct observation of base-pair stepping by rna polymerase," Nature 438(7067), 460-465 (2005).
4. Roberts, N. W. and Needham, M. G., "A mechanism of polarized light sensitivity in cone photoreceptors of the goldfish carassius auratus," Biophysical Journal 93(9), 3241-3248 (2007).
5. Yang, B.-W., Mu, Y.-H., Huang, K.-T., Li, Z., Wu, J.-L., and Lin, Y.-A., "The evaluation of interaction between red blood cells in blood coagulation by optical tweezers," Blood Coagulation and Fibrinolysis, Publish Ahead of Print (2010).
6. Saraogi, V., Padmapriya, P., Paul, A., Tatu, U. S., and Natarajan, V., "Change in spectrum of Brownian fluctuations of optically trapped red blood cells due to malarial infection," Journal of Biomedical Optics 15(3), 037003 (2010).
7. Lev, B., Nych, A., Ognysta, U., Chernyshuk, S. B., Nazarenko, V., Skarabot, M., Poberaj, I., Babic, D., Osterman, N., and Musevic, I., "Anisotropic laser trapping in nematic colloidal dispersion," European Physical Journal E 20(2), 215-219 (2006).
8. Skarabot, M., Ravnik, M., Babic, D., Osterman, N., Poberaj, I., Zumer, S., Musevic, I., Nych, A., Ognysta, U., and Nazarenko, V., "Laser trapping of low refractive index colloids in a nematic liquid crystal," Physical Review E 73(2), 021705 (2006).
9. Takahashi, K., Ichikawa, M., and Kimura, Y., "Direct measurement of force between colloidal particles in a nematic liquid crystal," Journal of Physics-Condensed Matter 20(7) (2008). 075106.
10. Lapointe, C. P., Mason, T. G., and Smalyukh, I., "Shape-controlled colloidal interactions in nematic liquid crystals," Science 326(5956), 1083-1086 (2009).
11. Poulin, P., Stark, H., Lubensky, T. C., and Weitz, D. A., "Novel colloidal interactions in anisotropic fluids," Science 275(5307), 1770-1773 (1997).
12. Leach, J., Mushfique, H., di Leonardo, R., Padgett, M., and Cooper, J., "An optically driven pump for microfluidics," Lab on a Chip 6(6), 735-739 (2006). (Pubitemid 43847306)
13. Gleeson, H. F., Wood, T. A., and Dickinson, M., "Laser manipulation in liquid crystals: an approach to microfluidics and micromachines," Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences 364(1847), 2789-2805 (2006).
14. Pasechnik, S. V., Chigrinov, V. G., Shmeliova, D. V., Tsvetkov, V. A., and Voronov, A. N., "Anisotropic shear viscosity in nematic liquid crystals: new optical measurement method," Liquid Crystals 31(4), 585-592 (2004).
15. Neuman, K. C. and Block, S. M., "Optical trapping," Review of Scientific Instruments 75(9), 2787-2809 (2004).
16. Dholakia, K., Reece, P., and Gu, M., "Optical micromanipulation, " Chemical Society Reviews 37(1), 42-55 (2008).
17. Appleyard, D. C., Vandermeulen, K. Y., Lee, H., and Lang, M. J., "Optical trapping for undergraduates," American Journal of Physics 75(1), 5-14 (2007).
18. Allersma, M. W., Gittes, F., deCastro, M. J., Stewart, R. J., and Schmidt, C. F., "Two-dimensional tracking of ncd motility by back focal plane interferometry," Biophysical Journal 74(2), 1074-1085 (1998).
19. Gibson, G. M., Leach, J., Keen, S., Wright, A. J., and Padgett, M. J., "Measuring the accuracy of particle position and force in optical tweezers using high-speed video microscopy," Optics Express 16(19), 14561-14570 (2008).
20. van der Horst, A. and Forde, N. R., "Power spectral analysis for optical trap stiffness calibration from high-speed camera position detection with limited bandwidth," Optics Express 18(8), 7670-7677 (2010).