CARS (Coherent Anti-Stokes Raman Scattering) Calculator
Precisely calculate the anti-Stokes wavelength and molecular vibration frequency in the CARS process
CARS parameter calculation
Result
Anti-Stokes wavelength
Molecular vibration frequency
Principle and Application
Coherent anti-Stokes Raman scattering (CARS) is a nonlinear optical process used to detect the vibrational information of molecules. By simultaneously using the pump light and the Stokes light, the condition
ωpump - ωStokes = ωvib
is satisfied.Here, ωvibrepresents the vibration frequency of the molecule, which triggers specific molecular vibration patterns.The frequency of the anti-Stokes signal is
ωanti-Stokes = 2ωpump - ωStokes
By detecting this signal, the vibration spectral information of the sample can be obtained. CARS is widely applied in fields such as chemical analysis, biological imaging and materials science.