The Anti-Resonant Ring in Ultrafast Excite—Probe Spectroscopy
We show that the anti-resonant ring is a versatile detection arrangement in ultrafast spectroscopy, allowing very accurate optical removal of the probe-laser background light and slow effects, independent measurement of absorption and refractive-index transients through optical homodyning, and maximal signal-to-noise ratios.
KeywordsBeam Splitter Malachite Green Excitation Pulse Probe Pulse Input Pulse
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