1：Experimental Design and Method Selection:

The experiment involves using optical tweezers to trap individual strontium atoms, with imaging via fluorescence on a broad transition and cooling on a narrow transition. Methods include Sisyphus cooling and sideband cooling, with theoretical models for polarizabilities and magic wavelengths.

2：Sample Selection and Data Sources:

Strontium-88 atoms are used, loaded from a laser-cooled cloud in a magneto-optical trap (MOT). Data is collected through fluorescence imaging and spectroscopy.

3：List of Experimental Equipment and Materials:

Includes optical tweezers created with a 515.2-nm laser, microscope objectives, EMCCD camera, acousto-optic deflectors (AODs) for arrays, laser systems for cooling and imaging (e.g., blue laser at 461 nm, red laser at 689 nm), and vacuum systems.

4：2-nm laser, microscope objectives, EMCCD camera, acousto-optic deflectors (AODs) for arrays, laser systems for cooling and imaging (e.g., blue laser at 461 nm, red laser at 689 nm), and vacuum systems. Experimental Procedures and Operational Workflow:

4. Experimental Procedures and Operational Workflow: Atoms are loaded into tweezers from the MOT, with parity projection to ensure single atoms. Imaging is performed with simultaneous cooling, and spectroscopy is used to measure trap depths and energy distributions. Procedures include creating tweezer arrays, performing sideband cooling, and analyzing fluorescence signals.

5：Data Analysis Methods:

Data is analyzed using histograms of detected photons, fitting to thermal and power-broadened line shapes, simulations of sideband spectra, and calculations of polarizabilities and branching ratios.