研究目的
Investigating the three-dimensional crystal growth behavior of L-phenylalanine under laser trapping using reflection imaging and microspectroscopy.
研究成果
The study provides insights into the three-dimensional growth dynamics of L-phenylalanine crystals under laser trapping, showing that the growth rate perpendicular to the solution surface is constant, while the rate parallel to the surface decreases over time.
研究不足
The study is limited by the detection limit of the optical system for wavelengths longer than 750 nm and the assumption of constant refractive index and refraction angle during laser trapping.
1：Experimental Design and Method Selection:
The study utilized reflection imaging and microspectroscopy to observe the growth behavior of L-phenylalanine crystals under laser trapping.
2：Sample Selection and Data Sources:
L-phenylalanine aqueous solution with a saturation degree of
3：58 was used. List of Experimental Equipment and Materials:
A cw laser beam (λ = 1064 nm) was focused at the air/solution interface.
4：Experimental Procedures and Operational Workflow:
The temporal change in crystal thickness was examined by measuring reflection spectra.
5：Data Analysis Methods:
The crystal thickness was calculated from the peak positions of the reflection spectra.
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