| Budget Amount *help |
¥19,240,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥4,440,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2012: ¥14,430,000 (Direct Cost: ¥11,100,000、Indirect Cost: ¥3,330,000)
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| Outline of Final Research Achievements |
New types of interferometric dynamic light scattering (DLS) systems were developed to analyze such space-variant diffusion phenomena in the area close to the different phase interface. The white light super-continuum source was introduced to the time-domain interferometric DLS system. The 1.4-um axis resolution enabled to measure directly the diffusion coefficients of Brownian particles at the distance nearer than 5 um from the solid-liquid interface. The Fourier-domain low-coherence DLS system was developed, into which the fast spectroscopic system was built, to realize the one-shot operation. It enabled to measure the diffusion coefficients in the area close to the gas-liquid interface where the boundary condition varies in space and time by evaporation. In addition, the common-path interferometric DLS system was proposed by making both the reference and scattered lights propagate in the same fiber and introducing an optical circulator to gain high robustness improvement.
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