Field-resolved infrared spectroscopy of biological systems

I Pupeza, M Huber, M Trubetskov, W Schweinberger… - Nature, 2020‏ - nature.com
The proper functioning of living systems and physiological phenotypes depends on
molecular composition. Yet simultaneous quantitative detection of a wide variety of …

Transient stimulated Raman scattering spectroscopy and imaging

Q Yu, Z Yao, J Zhou, W Yu, C Zhuang, Y Qi… - Light: Science & …, 2024‏ - nature.com
Stimulated Raman scattering (SRS) has been developed as an essential quantitative
contrast for chemical imaging in recent years. However, while spectral lines near the natural …

Recent advances in petahertz electric field sampling

A Herbst, K Scheffter, MM Bidhendi… - Journal of Physics B …, 2022‏ - iopscience.iop.org
The ability to resolve the complete electric field of laser pulses from terahertz to mid-infrared
spectral ranges has enriched time-domain spectroscopy for decades. Field-resolved …

Selective detection in impulsive low-frequency Raman imaging using shaped probe pulses

S Shivkumar, D Ranann, S Metais, S Suresh… - Physical Review …, 2023‏ - APS
Impulsive stimulated Raman scattering (ISRS) using a single short femtosecond pump pulse
to excite molecular vibrations offers an elegant pump-probe approach to perform vibrational …

High-speed stimulated hyperspectral Raman imaging using rapid acousto-optic delay lines

MS Alshaykh, CS Liao, OE Sandoval, G Gitzinger… - Optics Letters, 2017‏ - opg.optica.org
Stimulated Raman scattering (SRS) is a powerful, label-free imaging technique that holds
significant potential for medical imaging. To allow chemical specificity and minimize spectral …

Compressed sensing of field-resolved molecular fingerprints beyond the nyquist frequency

K Scheffter, J Will, C Riek, H Jousselin… - Ultrafast …, 2024‏ - spj.science.org
Ultrashort time-domain spectroscopy and field-resolved spectroscopy of molecular
fingerprints are gold standards for detecting samples' constituents and internal dynamics …

Dual-oscillator infrared electro-optic sampling with attosecond precision

A Weigel, P Jacob, W Schweinberger, M Huber… - Optica, 2024‏ - opg.optica.org
Electro-optic sampling of infrared electric fields has set sensitivity and dynamic-range
records in broadband molecular vibrational spectroscopy. Yet, in these works, the 1-second …

Ultra-rapid electro-optic sampling of octave-spanning mid-infrared waveforms

A Weigel, P Jacob, D Gröters, T Buberl, M Huber… - Optics …, 2021‏ - opg.optica.org
We demonstrate ultra-rapid electro-optic sampling (EOS) of octave-spanning mid-infrared
pulses centered at 9 μm, implemented by mechanically scanning a mirror with a sonotrode …

Terahertz spectrometers: A key tool bridging the electronics–photonics gap

R Liu, M Chen, Z Zhao, J Zhang, Y Wang - Optics & Laser Technology, 2025‏ - Elsevier
The terahertz (THz) region of the electromagnetic spectrum, often referred to as the bridge
between electronics and photonics, has emerged as a highly active area of research, owing …

Towards DCS in the UV spectral range for remote sensing of atmospheric trace gases

S Galtier, C Pivard, P Rairoux - Remote Sensing, 2020‏ - mdpi.com
The development of increasingly sensitive and robust instruments and new methodologies
are essential to improve our understanding of the Earth's climate and air pollution. In this …