Ultrafast Spectroscopy

Use our ultrafast lasers to study processes on femtosecond or picosecond timescales or use the broadband output for 2D applications.

Performance and Stability Don’t compromise – get the shortest pulse widths and rock-solid stability.
Operational Simplicity Choose a one-box laser/amplifier or maximize flexibility with an open platform.
24/7 Reliability = Productivity Maximize your publishable data output by avoiding unscheduled downtime.

Investigating Fast Processes

Ultrafast laser pulses enable the study of fast events in all kinds of materials. Many of these studies use some type of pump-probe method where one pulse excites the sample and another pulse interrogates the outcome. That’s because the best tool to match the incredible time resolution of a UF laser pulse is another UF laser pulse! Some of the experimental setups are therefore quite complicated. That’s why we emphasize simplicity and reliability in all our ultrafast lasers – so you can put all your focus on your experiment, never the laser.

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Product Applications

Featured Blog

Simplifying Three-photon Imaging

Discover the Coherent Monaco 1300, a one-box ultrafast 1300 nm light source with a pulse width shorter than 50 fs developed for three-photon imaging.

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Success Story: Excimer Lasers Deliver Stoichiometric Films

Imaging Deep Sea Creatures with Laser Light

Vitara

Vitara Lasers are the industry benchmark for integrated, ultra-broadband, flexible ultrafast laser oscillators and are ideal for demanding applications.

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Astrella

Astrella integrated kHz Ultrafast Ti:S Amplifiers deliver better data and lower data costs to enable 2D spectroscopy, THz studies, fs micromachining, and more.

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Success Story

Politecnico di Milano

“The high reliability and operational simplicity of Coherent ultrafast lasers are critical advantages because of the optical and electronic complexities of our imaging method.”

— Giulio Cerullo, Professor of Physics, Politecnico di Milano, Italy

Resource List

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Coherent

Tunable laser for Dynamical Characterization of Two-Dimensional Materials

An innovative and commercially available set-up for multidimensional coherent spectroscopy coupled with microscopy to study spatially-resolved optical coherence times, coherent coupling between excitons, and charge transfer in a TMD heterostructure.

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Coherent

2D IR Spectroscopy With Astrella White Paper

Learn how an ultra-stable femtosecond amplifier enables high data output in two-dimensional infrared spectroscopic studies of biological membranes and surfactants.

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Success Story

Surface Catalyst Structure and Dynamics Revealed by Multi-Dimensional SFG Spectroscopy

The combination of high pulse energy and long term stability from a Coherent Astrella ultrafast amplifier enables precise characterization of how molecules are bound to surfaces, with implications from green energy catalysts to electronics and biological membranes.

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Success Story

Amplifier Stability Enables in-situ Studies of Ferroelectric Film Polarization

Amplifier thermal stability is critical. Our chamber runs at up to 950 degrees C internally and heats the lab significantly during long experiments. The power, beam shape, and pointing of Astrella are all unaffected by these ambient changes.

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Success Story

Amplifier Reliability Benefits Transient Absorption Spectroscopy

Using this approach the Wang group has successfully measured the fast charge transfer between different phases.

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White Paper

Simplified One-Beam 2D Electronic Spectroscopy using a Millijoule Amplifier and HCF

Coherent two-dimensional spectroscopy (CMDS) represents a powerful group of spectroscopic techniques with the unique ability to reveal couplings between different states of a system, as well as their relaxation timescales.

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White Paper

Femtosecond Amplifier Provides Turnkey Access to Extreme Operating Regimes

The superior beam quality and long-term stability of the Astrella regenerative amplifier makes it an ideal turnkey engine for experiments in extreme operating regimes that formerly required complex sources and considerable laser expertise.

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White Paper

Time-Resolved Angle-Resolved Photoelectron Spectroscopy (TR-ARPES) using VUV Pulses

Scientists at Elettra-Sincrotrone, Trieste, Italy, use a novel scheme to generate VUV pulses at 10.8 eV (115 nm) from a Coherent Monaco amplifier.

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White Paper

Turnkey Femtosecond Amplifiers Enable Cutting-edge Applications

The superior beam quality and long-term stability of the Astrella regenerative amplifier, as well as the intrinsic flexibility of the Monaco ytterbium fiber amplifier, make them ideal turnkey engines for experiments in extreme operating regimes.

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Success Story

Real Space Imaging of Transient Carrier Dynamics by Femtosecond Time-Resolved STM

Discusses nano-scale imaging of carrier dynamics over a wide range of lifetimes by femtosecond lasers combined with scanning tunneling microscopy (STM).

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