HKU- Chemistry Prof. Vivian Yam's Raman Confocal System_Case

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HKU- Chemistry Prof. Vivian Yam's Raman Confocal System

Confocal Raman image of stress in a diamond film. Color coded from red (compressive strain) to blue (tensile strain).

3D Raman Image of a pollen in crystalline honey. Image parameters: 150 x 150 x 50 pixels = 1,125,000 Raman spectra, scan area: 50 µm x 50 µm x 50µm, integration time per spectrum: 12.2 milliseconds, total acquisition time: 3h 50 min.

Color-coded Raman depth-scan of a strcutured GaN layer used for semiconductors. Violet: GaN; Green: fluorescence along the edges of the structure; Red: Stress in material.

3D confocal color-coded Raman image of an emulsion of oil (green), alkane (magenta), and water (blue). 30 µm x 30 µm x 11.5 µm, 150 x 150 x 23 pixels, 517,500 Raman spectra, total acquisition time: 23 min.

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