Despite the long-standing importance of transient absorption (TA) spectroscopy, many
researchers remain frustrated by the difficulty of measuring the nanosecond range in a wide …

A combination of sub-nanosecond photoexcitation and femtosecond supercontinuum
probing is used to extend femtosecond transient absorption spectroscopy into the …

Ultrafast transient absorption spectroscopy is a powerful tool to reveal excited state
dynamics in various materials. Conventionally, probe pulses are generated via bulk …

A major limitation of transient optical spectroscopy is that relatively high laser fluences are
required to enable broadband, multichannel detection with acceptable signal-to-noise …

Shot-to-shot broadband detection is common in ultrafast pump–probe spectroscopy. Taking
advantage of the intensity correlation of subsequent laser pulses improves the signal-to …

Recent advances of ultrafast spectroscopy allow the capture of an entire ultrafast signal
waveform in a single probe shot, which greatly reduces the measurement time and opens …

Two new transient absorption measurement techniques are described which use
commercially available pulsed laser diodes or high-power light-emitting diodes (LEDs) as …

Time-resolved measurement of population dynamics extending over femtosecond to
millisecond time scales typically requires a combination of transient absorption techniques …

Time-resolved optical spectroscopy is a powerful technique for the investigation of electronic
and vibrational dynamics in a variety of systems and provides unique information on …

Single-shot ultrafast transient absorbance spectroscopy based on the frequency encoding of
kinetics is demonstrated. The kinetics are sampled in the frequency domain using linearly …