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Here’s a compendium of recent technical papers, trade publication articles and other items of interest by and about Ocean Optics people and products.
Gebejes A., Orava J., Penttinen N., Heikkinen V., Hiltunen J., Hauta-Kasari M. (2014) Color and Image Characterization of a Three CCD Seven Band Spectral Camera. In: Elmoataz A., Lezoray O., Nouboud F., Mammass D. (eds) Image and Signal Processing. ICISP 2014. Lecture Notes in Computer Science, vol 8509. Springer, Cham.
Bottom line: Although not newly published, this study is a useful guide to a 3-CCD spectral camera originating with FluxData, which became part of Ocean Insight in 2019.
McVey, C., Gordon, U., Haughey, S.A. and Elliott, C.T., Assessment of the Analytical Performance of Three Near-Infrared Spectroscopy Instruments (Benchtop, Handheld and Portable) through the Investigation of Coriander Seed Authenticity, Foods 2021, 10, 956.
Bottom line: In a comparison of NIR spectrometers for determining food authenticity, Ocean Optics' Flame-NIR demonstrated good predictability in identifying adulterated coriander seeds.
Varkevisser, J.M., Simon, R., Mendoza, E., How, M., van Hijlkema, I., Jin, R., Liang, Q., Scharff, C., Halfwerk, W.H., Riebel, K. Adding colour-realistic video images to audio playbacks increases stimulus engagement but does not enhance vocal learning in zebra finches, Animal Cognition, 2021.
Bottom line: Study of how birds communicate has relevance for understanding how humans learn speech. Some of the research here included measuring the relative radiance of zebra finch beak and wing color using an Ocean Optics Flame spectrometer, light source and reflection probe.
Hwang, U.T., Bae, J., Lee, T., Hwang, S-Y., Kim, J-C., Park, J., Choi, I-G, Kwak, H.W., Hwang, S-W and Yeo, H. Analysis of Carbonization Behavior of Hydrochar Produced by Hydrothermal Carbonization of Lignin and Development of a Prediction Model for Carbonization Degree Using Near-Infrared Spectroscopy. Journal of Korean Wood Science Technology, 2021, 49(3): 213-225.
Bottom line: NIR spectroscopy is helping researchers make more efficient use of byproducts of paper making and pulp processes
Lee, W.S., Ahn, J., Jung, S. et al. Biomimetic Nanopillar-Based Biosensor for Label-Free Detection of Influenza A Virus. BioChip J (2021). https://doi.org/10.1007/s13206-021-00027-y
Bottom line: Using reflectance spectroscopy as part of an approach to rapid and precise diagnosis of influenza viruses.
Arcadio. F., Zeni, L., Perri, C., D’Agostino, G., Chiaretti, G., Porto, G., Minardo, A., Cennamo, N. Bovine Serum Albumin Protein Detection by a Removable SPR Chip Combined with a Specific MIP Receptor, Chemosensors 2021, 9, 218, 11 August 2021.
Bottom line: As part of the development process for surface plasmon resonance sensor to detect BSA protein, researchers used an Ocean Optics Flame-S-VIS-NIR-ES spectrometer to measure the transmission of a sensor patch.
Dartmouth-Hitchcock Medical Center, "Continued Development of a Multiplex Precision Medicine System for Early Warning of Progression Toward Hemodynamic Deterioration After Trauma," TrialBulletin.com, 3 June 2021.
Bottom line: Spectroscopic method utilizing Ocean Optics Flame spectrometer helps detect internal bleeding before onset of shock in trauma patients
Burgess, A. J., Durand, M., Gibbs, J.A., Retkute, R., Robson, T.M., Murchie, E.H. The effect of canopy architecture on the patterning of ‘windflecks’ within a wheat canopy, Plant, Cell & Environment, 21 August 2021.
Bottom line: Using a Maya2000 Pro, researchers measured the solar spectral irradiance within wheat canopies. Better understanding of these characteristics can help improve crop performance.
Merdasa, A., Rehermann, C., Hirselandt, K., Li, J., Maus, O., Mathies, F., Unold, T., Dagar, J., Munir, R. and Unger, E., “Eye in the process: Formation of ‘triple cation’ perovskite thin films rationalized by in-situ optical monitoring,” Research Square preprint, Version 1, posted 04 November, 2020.
Bottom line: Using an Ocean Optics spectrometer, the authors demonstrated how to monitor thin-film deposition processes involved in manufacturing of perovskite semiconductors.
Samueline, G., Miliauskiene, J., Kazlauskas, A. and Virsile, A., Growth Stage Specific Lighting Spectra Affect Photosynthetic Performance, Growth and Mineral Contents in Tomato, Agronomy, 2021, 11(5), 901.
Bottom line: In the continuing quest to improve tomato growth and quality, the researchers evaluated lighting methods that nature cannot match.
Moher, M.; Llewellyn, D.; Jones, M.; Zheng, Y. High Light Intensities Can Be Used to Grow Healthy and Robust Cannabis Plants During the Vegetative Stage of Indoor Production. Preprints 2021, 2021040417 (doi: 10.20944/preprints 202104.0417.v1).
Bottom line: Managing the lighting used for indoor, drug-grade cannabis production is made easier with the use of a radiometrically calibrated Flame-S-XR1 spectrometer and cosine corrector.
Moreddu, R., Nasrollahi, V., Kassanos, P., Dimov, S., Vigolo, D., Yetisen, A.K. Lab-on-a-Contact Lens Platforms Fabricated by Multi-Axis Femtosecond Laser Ablation, Small Journal, 19 August 2021.
Bottom line: As part of efforts to develop better eye disease diagnostics via alternate tear fluid analysis technologies, researchers are using an Ocean Optics Flame-S-VIS-NIR-ES spectrometer and other instruments to measure the reflection of uric acid paper sensors after exposure to artificial tears.
Troncoso, J.R., Diaz, P.M., Lee, D.E., Quick, C.M., and Rajaram, N., Longitudinal monitoring of tumor response to immune checkpoint inhibitors using noninvasive diffuse reflectance spectroscopy, Biomedical Optics Express, Vol. 12, Issue 7, pp. 3982-3991 (2021)
Bottom line: Diffuse reflectance spectroscopy using an Ocean Optics Flame spectrometer is effective in monitoring tumor changes after immunotherapy treatments for cancer treatment in mice.
Seddon, A.W.R., Festi, D., Nieuwkerk, M., Gya, R., Hamre, B., Kruger, L.C., Ostman, S.A.H. and Robson, T.M., Pollen-chemistry variations along elevation gradients and their implications for a proxy for UV-B radiation in the plant-fossil record, accepted article, Journal of Ecology
Bottom line: Investigating the relationship of pollen from pine trees with UV-B radiation as an indicator of the geological past
Shin, S., Lee, Y., Kim, S., Choi, S. Kim, J.G. and Lee, K., Rapid and non-destructive spectroscopic method for classifying beef freshness using a deep spectral network fused with myoglobin information, Food Chemistry, Volume 352, 1 August 2021, 129329.
Bottom line: After combining myoglobin information and reflectance spectra of beef samples, the authors applied deep-learning algorithms for 92% freshness model accuracy.
Baechler, G., Latty, A., Pacholska, M., Vetterli, M., and Scholefield, A., Shedding light on 19th century spectra by analyzing Lippmann photography, Proceedings of the National Academy of Sciences of the United States of America, April 17, 2021, 11 (17).
Bottom line: Using an extended-range Flame spectrometer for point measurements, the authors analyzed methods of reproducing color photography pioneered by Nobel Prize winner Gabriel Lippman.
Advantages and applications of NIR spectroscopy, Electro Optics, May 2021.
Bottom line: Explore the NIR response of various samples to uncover a wealth of information.
Clear sight: better visibility for helicopters on rescue flights, Electro Optics, April 2021.
Bottom line: In less than a year, amid budget and regulatory constraints, Ocean Optics reengineered off-the-shelf components as part of a certified helicopter camera setup for search-and-rescue missions.
Buckley, S. How optical sensing delivers solutions to industrial customers, Electro Optics, January 2021.
Bottom line: As miniature spectrometers have moved from the R&D lab to industry, manufacturers seeking better products and streamlined operations are turning to experts like Ocean Optics to understand more about their processes.
In-line spectral monitoring gets ready to shine, Physics World, June 2020.
Bottom line: Ocean Applied's Liquid Transmission Measurement System provides real-time, in-line monitoring of liquid coating applications used across the consumer electronics and food processing industries.
Buckley, S. Narrowband Visible Light: The OPO Reigns, Spectroscopy, 01-01-21, Volume 36, Issue 1
Bottom line: Tunable narrowband light sources, including optical parameter oscillators, are essential tools in discerning fine spectral structures.
Bauer, A.J. and Buckley, S.G., Novel Applications of Laser-Induced Breakdown Spectroscopy, Applied Spectroscopy, 2017, Vol. 71(4) 553-566.
Bottom line: Advances in plasma processes and improvements in calibration strategies are improving results from LIBS and making it more relevant for a wider range of applications.
Church, G. Plasma-tastic spectroscopy, Electro Optics, October 2020.
Bottom line: Spectroscopic techniques for plasma monitoring are helping to bring advances to semiconductor processing and other industries.
Morris, R. and Mattley, Y., Spectroscopy Takes Root in Agricultural Analysis, BioPhotonics, March/April 2021.
Bottom line: From real-time field analysis to industrial sorting and grading, optical sensing continues to help to refine and innovate food production.
Using spectroscopy to monitor and preserve the environment, Envirotech Online, Nov. 20, 2020.
Bottom line: As spectrometers have become faster, smaller and more powerful, environmental researchers and regulators can deploy instruments almost anywhere for real-time, in situ monitoring.