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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: J Struct Biol. 2009 Mar 21;168(1):61–77. doi: 10.1016/j.jsb.2009.03.006

Fig. 1.

Fig. 1

SFG experimental geometry and energy diagram. (A) Total reflection geometry employed for the experiments described in sections 3.3 and 3.4. A bilayer is immersed in a small reservoir with an approximate volume of 1.6–2.0 mL; (B) Simplified energy level diagram of vibrational sum frequency generation process.