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Published November 22, 2004 | public
Journal Article Open

Mask pattern transferred transient grating technique for molecular-dynamics study in solutions


We have developed a mask pattern transferred transient grating (MPT-TG) technique by using metal grating films. Transient thermal grating is generated by an ultraviolet light pattern transfer to nitrobenzene in 2-propanol solution, and the subsequent effect is detected through its diffraction to a probe beam. The thermal diffusion coefficient is obtained by the relationship between the grating periods and the signal decay lifetime, and is well in agreement with the calculated value. This technique has many advantages, such as a simple setting, an easy alignment, accurate phase control, and high stability for molecular-dynamics study in solutions.

Additional Information

©2004 American Institute of Physics (Received 28 May 2004; accepted 4 October 2004) The authors would like to thank Professor M. Terazima (Kyoto University) for valuable suggestions and discussions. We also thank Dr. T. Yoshie (Caltech) for helping with the nanofabrication. The authors greatly acknowledge support from the DARPA Center for Opto-fluidics, under Grant No. HR0011-04-1-0032.


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