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Fiber optic probes for linear and nonlinear Raman applications – Current trends and future development
Authors:Ines Latka,Sebastian Dochow,Christoph Krafft,Benjamin Dietzek,Jü  rgen Popp
Abstract:This review focuses on fiber optic probes for linear and nonlinear Raman spectroscopy, especially for medical applications. It aims at providing an overview over contemporary technology, recent first clinical trials, and helps identifying future developments necessary to bring the emerging technology to clinical end users. After a short introduction to linear and nonlinear Raman spectroscopic modalities, general design considerations will be discussed and compared to common fiber probe setups. Subsequently, examples for medical applications of fiber optic Raman probes will be given concentrating on probes for linear Raman spectroscopy as these devices are technologically more mature compared to their counterparts based on nonlinear Raman spectroscopy. The review also includes a brief summary of first multimodal fiber optic probes and highlights their benefits for clinical applications. Finally, probes are introduced which employ either nonlinear Raman spectroscopy or surface enhanced spectroscopy.
Keywords:Fiber optic probe  endoscopy  Raman spectroscopy  coherent anti‐Stokes Raman  surface‐enhanced Raman spectroscopy  clinical diagnostics
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