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What are the advantages to using a near-IR excitation source, such as a diode laser (830 nm), instead of a source with a shorter wavelength, such as a krypton-ion laser (530.9 nm)? the ratio of anti-Stokes to Stokes intensities increases fluorescence is less intense or nonexistent can operate at higher powers without causing photodecomposition the amount of Rayleigh scattering decreases the Raman lines are more intense

What are the advantages to using a near-IR excitation source, such as a diode laser (830 nm), instead of a source with a shorter wavelength, such as a krypton-ion laser (530.9 nm)? the ratio of anti-Stokes to Stokes intensities increases fluorescence is less intense or nonexistent can operate at higher powers without causing photodecomposition the amount of Rayleigh scattering decreases the Raman lines are more intense

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter15: Introduction To Electronic Spectroscopy And Structure
Section: Chapter Questions
Problem 15.58E
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What are the advantages to using a near-IR excitation source, such as a diode laser (830 nm), instead of a source with a shorter wavelength, such as a krypton-ion laser (530.9 nm)? the ratio of anti-Stokes to Stokes intensities increases fluorescence is less intense or nonexistent can operate at higher powers without causing photodecomposition the amount of Rayleigh scattering decreases the Raman lines are more intense
Transcribed Image Text:What are the advantages to using a near-IR excitation source, such as a diode laser (830 nm), instead of a source with a shorter wavelength, such as a krypton-ion laser (530.9 nm)? the ratio of anti-Stokes to Stokes intensities increases fluorescence is less intense or nonexistent can operate at higher powers without causing photodecomposition the amount of Rayleigh scattering decreases the Raman lines are more intense
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