Portable spectroscopy

RA Crocombe - Applied spectroscopy, 2018 - journals.sagepub.com
Until very recently, handheld spectrometers were the domain of major analytical and security
instrument companies, with turnkey analyzers using spectroscopic techniques from X-ray …

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 …

Sensitive multi-species trace gas sensor based on a high repetition rate mid-infrared supercontinuum source

K Eslami Jahromi, M Nematollahi, Q Pan, MA Abbas… - Optics …, 2020 - opg.optica.org
We present a multi-species trace gas sensor based on a high-repetition-rate mid-infrared
supercontinuum source, in combination with a 30 m multipass absorption cell, and a …

In-amplifier and cascaded mid-infrared supercontinuum sources with low noise through gain-induced soliton spectral alignment

K Kwarkye, M Jensen, RD Engelsholm, MK Dasa… - Scientific reports, 2020 - nature.com
The pulse-to-pulse relative intensity noise (RIN) of near-infrared (near-IR) in-amplifier
supercontinuum (SC) sources and mid-IR cascaded SC sources was experimentally and …

The use of rapid spectroscopic screening methods to detect adulteration of food raw materials and ingredients

KM Sørensen, B Khakimov, SB Engelsen - Current Opinion in Food …, 2016 - Elsevier
Highlights•Adulteration of food ingredients and raw materials.•High throughput untargeted
adulteration control by NIR spectroscopy.•Multivariate discriminant methods.International …

Monitoring the staling of wheat bread using 2D MIR-NIR correlation spectroscopy

T Ringsted, HW Siesler, SB Engelsen - Journal of Cereal Science, 2017 - Elsevier
Staling of bread is a major source of food waste and efficient monitoring of it can help the
food industry in the development of anti-staling recipes. While the staling fingerprint in the …

Long wavelength near-infrared transmission spectroscopy of barley seeds using a supercontinuum laser: Prediction of mixed-linkage beta-glucan content

T Ringsted, J Ramsay, BM Jespersen, SR Keiding… - Analytica Chimica …, 2017 - Elsevier
A supercontinuum laser was used to perform the first transmission measurements on intact
seeds with long wavelength near-infrared spectroscopy. A total of 105 barley seeds from five …

The future of portable spectroscopy

RA Crocombe - Portable Spectroscopy and Spectrometry, 2021 - Wiley Online Library
This chapter attempts to look forward to future developments, both instrumental and
application, based on the state of the art as of early 2020. In optical spectroscopy, there is a …

Near infrared spectroscopy—a unique window of opportunities

SB Engelsen - NIR news, 2016 - journals.sagepub.com
It is our custom in NIR news to invite the THA winner to contribute a summary of their award
lecture in an issue soon after the ceremony. Unfortunately the 2015 award article was …

Use of near infrared spectroscopy in cotton seeds physiological quality evaluation

LG Mayrinck, JME Lima, GC Guimarães… - Journal of Seed …, 2020 - SciELO Brasil
This study aimed to evaluate the near-infrared spectroscopy potential in analyzing the
quality of cottonseed regarding different physiological quality levels, noting the need for …