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Optical limiting properties and z-scan measurements of carbon disulfide at 2.05 μm wavelength
(Journal article; Peer reviewed, 2016)Nonlinear and optical limiting properties of carbon disulfide (CS2) are characterized at 2.05 μm wavelength using a Q-switched Ho:YLF laser with high pulse energy. The nonlinear refractive index of CS2 is measured using ... -
Optical measurement of tissue perfusion changes as an alternative to electrocardiography for heart rate monitoring in Atlantic salmon (Salmo salar)
(Peer reviewed; Journal article, 2021)Background: Welfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses ... -
Optical Measurements of In-Flame Soot in Compression-Ignited Methyl Ester Flames
(Journal article; Peer reviewed, 2019)This study investigates in-flame sooting characteristics of biodiesel surrogates in compression-ignited spray flames. The aim of the study is to produce reliable experimental data on in-flame soot for validation of kinetic ... -
Optical Modeling and Characterization of Demyelinated Nerve Using Graphene-Based Photonic Structure
(Peer reviewed; Journal article, 2022)The myelin sheath, as an insulation layer in nerve cells, plays an essential role in neural communication and signal conduction. Loss of myelin, referred to as demyelination, is associated with many mental disorders. ... -
An Optical Modeling Framework for Coronavirus Detection Using Graphene-Based Nanosensor
(Peer reviewed; Journal article, 2022)The outbreak of the COVID-19 virus has faced the world with a new and dangerous challenge due to its contagious nature. Hence, developing sensory technologies to detect the coronavirus rapidly can provide a favorable ... -
Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality
(Journal article; Peer reviewed, 2004)We describe a system for parametric conversion of high-energy, Q-switched laser pulses from 1.064 µm to 2.1 µm in KTiOPO4. High beam quality and efficiency are obtained by use of a two-stage system: An optical parametric ... -
Optical properties of biaxial nanopatterned gold plasmonic nanowired grid polarizer
(Journal article; Peer reviewed, 2013)Gold nanoparticles deposited on self-organized nano-ripple quartz substrates have been studied by spectroscopic Mueller matrix ellipsometry. The surface was found to have biaxial anisotropic optical properties. For electric ... -
Optical properties of single diatom frustules revealed by confocal microspectroscopy
(Journal article; Peer reviewed, 2015)Optical properties of single diatom frustule valves from two different Coscinodiscus species (C. wailesii and C. centralis) are studied by transmission confocal hyperspectral imaging and numerical calculations. Light ... -
Optical properties of tilted surfaces in material jetting
(Peer reviewed; Journal article, 2024)Material jetting (MJT) is a promising additive manufacturing (AM) technique that offers high-quality appearance reproduction. Considering the limited selection of aesthetic materials available for MJT technology, a thorough ... -
Optical response of rectangular array of elliptical plasmonic particles on glass revealed by Mueller matrix ellipsometry and finite element modeling
(Peer reviewed; Journal article, 2019)We report here on the optical response of elliptical gold particles arranged in a rectangular lattice on glass and probed at non-normal incidence in reflection using spectroscopic Mueller matrix ellipsometry in the energy ... -
Optical selection rules of zigzag graphene nanoribbons
(Journal article; Peer reviewed, 2017)We present an analytical tight-binding theory of the optical properties of graphene nanoribbons with zigzag edges. Applying the transfer matrix technique to the nearest-neighbor tight-binding Hamiltonian, we derive analytical ... -
Optical skin assessment based on spectral reflectance estimation and Monte Carlo simulation
(Journal article; Peer reviewed, 2017)Optical non-contact measurements in general, and chromophore concentration estimation in particular, have been identified to be useful tools for skin assessment. Spectral estimation using a low cost hand held device has ... -
Optically-Switchable Thermally-Insulating VO2-Aerogel Hybrid Film for Window Retrofits
(Peer reviewed; Journal article, 2020)Developing easy-to-install energy-efficient window retrofitting materials is important for reducing the heating and cooling loads of buildings. However, it is very challenging to achieve window retrofits that are simultaneously ... -
Optikere i møte med fremtidens øyehelseutfordringer
(Master thesis, 2023)Denne masteroppgaven tar for seg muligheter og bekymringene det har på optikerne rundt løsningsforslaget hvor de kan få tildelt et større pasientansvar ved hjelp av teknologi. Bakgrunnen for studiet er den økende demografien ... -
Optimal Actuator Placement for Real-Time Hybrid Model Testing Using Cable-Driven Parallel Robots
(Peer reviewed; Journal article, 2021)In real-time hybrid model testing, complex ocean structures are emulated by fusing numerical modelling with traditional hydrodynamic model testing. This is done by partitioning the ocean structure under consideration into ... -
Optimal boundary control for the heat equation with application to freezing with phase change
(Chapter, 2013)In this paper an approach for optimal boundary control of a parabolic partial differential equation (PDE) is presented. The parabolic PDE is the heat equation for thermal conduction. A technical application for this is the ... -
Optimal boundary control of a contact thawing process for foodstuff
(Journal article, 2016)In this work an approach for thawing blocks of foodstuff, in particular fish, is introduced. The functional principle is based on plate freezer technology, which has been used in industry for decades. The aim of this work ... -
Optimal Charging and Repositioning of Electric Vehicles in a Free-Floating Carsharing System
(Journal article; Peer reviewed, 2019)Carsharing has received increased attention from the Operations Research community in recent years. Currently, many systems are adopting electric vehicles that require charging when battery levels fall below a given level. ... -
Optimal charging strategy for intercity travels of battery electric vehicles
(Peer reviewed; Journal article, 2021)Limited driving range, long charging time and high charging costs affect the use of battery electric vehicles (BEVs) for intercity travels and often compel drivers to charge their vehicles more than once. This study proposes ... -
Optimal choice of state tomography quorum formed by projection operators
(Journal article; Peer reviewed, 2019)A minimal set of measurement operators for quantum state tomography has in the nondegenerate case ideally eigenbases which are mutually unbiased. This is different for the degenerate case. Here we consider the situation ...