Several variations of Raman spectroscopy have been developed.
· Surface Enhanced Raman Spectroscopy (SERS)
· Resonance Raman spectroscopy
· Surface-Enhanced Resonance Raman Spectroscopy (SERRS)
· Angle Resolved Raman Spectroscopy
· Hyper Raman
· Spontaneous Raman Spectroscopy (SRS)
· Optical Tweezers Raman Spectroscopy (OTRS)
· Stimulated Raman Spectroscopy
· Spatially Offset Raman Spectroscopy (SORS)
· Coherent anti-Stokes Raman spectroscopy (CARS)
· Raman optical activity (ROA)
· Transmission Raman
· Inverse Raman spectroscopy.
· Tip-Enhanced Raman Spectroscopy (TERS)
· Surface plasmon polaritons enhanced Raman scattering (SPPERS)