OSSCAR


OSSCAR (Optical Solid State Cooling Analysis Resource)

by: Aram Gragossian

If you have measured resonant absorption and mean fluorescence wavelength for different pump wavelengths you can use OSSCAR to calculate a variety of important parameters for laser cooling of solids. Most importantly, you can estimate the minimum achievable temperature (MAT) for your crystal in an ideal case. If you measure the heat-up time of your crystal and provide the slope, the program can estimate heat load and minimum temperature for given experimental conditions (cooling map plot). You have the option to add a heat link and surround the crystal (and the link) by a material with low emissivity. Heat capacity is calculated from Debye’s formula. For more details on laser cooling of solids refer to “Optical Refrigeration: Science and Applications of Laser Cooling of Solids

 

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