Esa Jaatinen
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View article: Aspiration versus outcome: the career intentions of PhD students in an Australian university
Aspiration versus outcome: the career intentions of PhD students in an Australian university Open
Purpose While PhD qualifications were commonly viewed as preparation for academic careers, graduates are increasingly finding employment beyond the university sector. This study aims to examine the relationship between the career aspiratio…
View article: Determination of Laser-Induced Fluorescence Lifetimes Excited by Pulses of Comparable Duration
Determination of Laser-Induced Fluorescence Lifetimes Excited by Pulses of Comparable Duration Open
This paper presents a novel analytical technique for evaluating fluorescence lifetimes excited by a nanosecond pulsed laser using a linearized rate equation approach that accounts for the incident pulse temporal distribution, an equivalent…
View article: Enhancing visible-light photocatalytic performance of Au/TiO<sub>2</sub>catalysts through light reflection-promoted optical absorption with oriented anatase mesocrystals
Enhancing visible-light photocatalytic performance of Au/TiO<sub>2</sub>catalysts through light reflection-promoted optical absorption with oriented anatase mesocrystals Open
Au NPs effectively harvest light through absorption of light back-reflected from oriented TiO 2 mesocrystals supported on Ti foil. The enhanced light absorption facilitates the generation of electron–hole pairs and intensive EM fields tha…
View article: Wavelength-resolved near infra-red light induced free-radical polymerization
Wavelength-resolved near infra-red light induced free-radical polymerization Open
A near infra-red action plot from 620 to 950 nm for gold nanorod (AuNR) mediated free-radical polymerization is reported, probing the wavelength-by-wavelength monomer to polymer conversion with an identical number of photons at each wavele…
View article: The Effectiveness of Ultraviolet-C (UV-C) Irradiation on the Viability of Airborne Pseudomonas aeruginosa
The Effectiveness of Ultraviolet-C (UV-C) Irradiation on the Viability of Airborne Pseudomonas aeruginosa Open
Pseudomonas aeruginosa (Pa) is the predominant bacterial pathogen in people with cystic fibrosis (CF) and can be transmitted by airborne droplet nuclei. Little is known about the ability of ultraviolet band C (UV-C) irradiation to inactiva…
View article: Near Infrared Light Induced Radical Polymerization in Water
Near Infrared Light Induced Radical Polymerization in Water Open
We introduce a gold nanorod (AuNR) driven methodology to induce free radical polymerization in water with near infrared light (800 nm). The process exploits photothermal conversion in AuNR and subsequent heat transfer to a radical initiato…
View article: Nahinfrarotlicht‐induzierte radikalische Polymerisation in Wasser
Nahinfrarotlicht‐induzierte radikalische Polymerisation in Wasser Open
Wir stellen eine auf Goldnanostäbchen (AuNR) basierende Methode vor, um eine radikalische Polymerisation in Wasser mit Nahinfrarotlicht (800 nm) zu induzieren. Der Prozess nutzt die photothermische Umwandlung in AuNR und die anschließende …
View article: Enhanced Background Noise Filtering Through Intensity Modulated Raman Spectroscopy
Enhanced Background Noise Filtering Through Intensity Modulated Raman Spectroscopy Open
View article: Energy Transmission of Vortex Beams Through 3rd Order Intensity Dependent Nonlinear Optical Limiters
Energy Transmission of Vortex Beams Through 3rd Order Intensity Dependent Nonlinear Optical Limiters Open
Third order optical limiting utilizes nonlinear absorption or scatter to preferentially reduce the optical throughput of intense light through a medium. While these processes are dependent on intensity, it is often the transmitted energy o…
View article: Accurate determination of nonlinear refraction in ZnO and Au composite nanostructures
Accurate determination of nonlinear refraction in ZnO and Au composite nanostructures Open
It is now well established that the nonlinear optical properties of ZnO nanoparticles can be significantly enhanced by coupling them to metallic nanoparticles. While the nonlinear absorption properties are well reported, there is large var…
View article: A device for measuring sternal bone connectivity using vibration analysis techniques
A device for measuring sternal bone connectivity using vibration analysis techniques Open
Objectives: Stability of bone splitting sternotomy is essential for normal healing after open cardiac surgery. Mechanical vibration transmittance may offer a means for early detection of separation of bone (diastasis) in the sternotomy and…
View article: Using Image Analysis to Determine Ideal Aperture Conditions for Optimal Z-Scan Signal Quality
Using Image Analysis to Determine Ideal Aperture Conditions for Optimal Z-Scan Signal Quality Open
An image analysis technique that is insensitive to power fluctuations and beam steering issues, and can be used with non TEM00 Gaussian beams, is introduced to determine the nonlinear properties of materials using the well-known Z-scan exp…
View article: Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles
Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles Open
A thorough analysis of the resonance light scattering (RLS) technique for quantitative scattering measurements of subwavelength nanoparticles is reported. The systematic error associated with using a measurement at a single angle to repres…
View article: Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles
Multi-angle fluorometer technique for the determination of absorption and scattering coefficients of subwavelength nanoparticles Open
A thorough analysis of the resonance light scattering (RLS) technique for quantitative scattering measurements of subwavelength nanoparticles is reported. The systematic error associated with using a measurement at a single angle to repres…
View article: Highly compact refractive index sensor based on stripe waveguides for lab-on-a-chip sensing applications
Highly compact refractive index sensor based on stripe waveguides for lab-on-a-chip sensing applications Open
In this paper we report the design and experimental realisation of a novel refractive index sensor based on coupling between three nanoscale stripe waveguides. The sensor is highly compact and designed to operate at a single wavelength. We…
View article: Highly compact refractive index sensor based on stripe waveguides for lab-on-a-chip sensing applications
Highly compact refractive index sensor based on stripe waveguides for lab-on-a-chip sensing applications Open
In this paper we report the design and experimental realisation of a novel refractive index sensor based on coupling between three nanoscale stripe waveguides. The sensor is highly compact and designed to operate at a single wavelength. We…