Advances in mid-infrared spectroscopy enabled by supercontinuum laser sources

I Zorin, P Gattinger, A Ebner, M Brandstetter - Optics Express, 2022 - opg.optica.org
Supercontinuum sources are all-fiber pulsed laser-driven systems that provide high power
spectral densities within ultra-broadband spectral ranges. The tailored process of generating …

A review of mid-infrared supercontinuum generation in chalcogenide glass fibers

S Dai, Y Wang, X Peng, P Zhang, X Wang, Y Xu - Applied Sciences, 2018 - mdpi.com
Chalcogenide glasses have the advantages of a wide transparency window (over 20 μm)
and high optical nonlinearity (up to a thousand times greater than that of silica glasses) …

Mid-infrared supercontinuum generation in chalcogenides

Y Yu, X Gai, T Wang, P Ma, R Wang, Z Yang… - Optical Materials …, 2013 - opg.optica.org
We review experiments on mid-infrared supercontinuum (SC) generation including our own
work on chalcogenide waveguides. Simulations are used to define the conditions in which a …

Mid-infrared supercontinuum generation from 1.6 to> 11 μm using concatenated step-index fluoride and chalcogenide fibers

RA Martinez, G Plant, K Guo, B Janiszewski… - Optics letters, 2018 - opg.optica.org
We demonstrate an all-fiber supercontinuum source that generates a continuous spectrum
from 1.6 μm to> 11 μm with 417 mW on-time average power at 33% duty cycle. By utilizing a …

Multi-watt, multi-octave, mid-infrared femtosecond source

M Seidel, X Xiao, SA Hussain, G Arisholm… - Science …, 2018 - science.org
Spectroscopy in the wavelength range from 2 to 11 μm (900 to 5000 cm− 1) implies a
multitude of applications in fundamental physics, chemistry, as well as environmental and …

Watt-Level Nanosecond 4.42- m Raman Laser Based on Silica Fiber

MS Astapovich, AV Gladyshev… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
We report the demonstration of a 4.42-μm silica-fiber-based Raman laser delivering a record
average output power of 1.4 W and operating in a single transversal mode. The Raman …

Experimental demonstration of linearly polarized 2–10 μm supercontinuum generation in a chalcogenide rib waveguide

Y Yu, X Gai, P Ma, K Vu, Z Yang, R Wang, DY Choi… - Optics Letters, 2016 - opg.optica.org
This Letter reports the production of a supercontinuum extending from≈ 2 μm to> 10 μm
generated using a chalcogenide buried rib waveguide pumped with 330 femtosecond …

Increased mid-infrared supercontinuum bandwidth and average power by tapering large-mode-area chalcogenide photonic crystal fibers

CR Petersen, RD Engelsholm, C Markos, L Brilland… - Optics express, 2017 - opg.optica.org
The trade-off between the spectral bandwidth and average output power from chalcogenide
fiber-based mid-infrared supercontinuum sources is one of the major challenges towards …

Mid-infrared supercontinuum generation in soft-glass specialty optical fibers: A review

TS Saini, RK Sinha - Progress in Quantum Electronics, 2021 - Elsevier
Abstract Mid-infrared region (2–20​ μm) is an important region of electromagnetic spectrum.
Most of the molecules including CH 4, CO, NO, NO 2, C 6 H 6, TNT, NH 3, SF 6, HNO 3 …

All-normal dispersion supercontinuum generation in photonic crystal fibers with large hollow cores infiltrated with toluene

VT Hoang, R Kasztelanic, A Anuszkiewicz… - Optical materials …, 2018 - opg.optica.org
An all-normal dispersion supercontinuum generation in the range of 950÷ 1100 nm in
photonic crystal fiber with core infiltrated with toluene is reported. The regular lattice hollow …