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Št. zadetkov: 7
Non-contact monitoring of the depth temperature profile for medical laser scanning technologies
Jure Košir, Daniele Vella, Matija Jezeršek
Izvirni znanstveni članek
Oznake: termografija;temperaturni profil;prenos toplote v tkivu;thermography;depth temperatur profile;heat transfer in biological tissue;
Medical treatments such as high-intensity focused ultrasound, hyperthermic laser lipolysis or radiofrequency are employed as a minimally invasive alternatives for targeted tissue therapies. The increased temperature of the tissue triggers various thermal effects and leads to an unavoidable damage. A ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Towards personalized and versatile monitoring of temperature fields within heterogeneous tissues during laser therapies
Jure Košir, Daniele Vella, Matjaž Lukač, Matija Jezeršek
Izvirni znanstveni članek
Oznake: merjenje temperature;laserske terapije;nadzor procesa;temperature measurement;laser medical procedure;process monitoring;
Advancements in medical laser technology have paved the way for its widespread acceptance in a variety of treatments and procedures. Selectively targeting particular tissue structures with minimally invasive procedures limits the damage to surrounding tissue and allows for reduced post-procedural do ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Interferometric fiber optic probe for measurements of cavitation bubble expansion velocity and bubble oscillation time
Emil Zubalič, Daniele Vella, Aleš Babnik, Matija Jezeršek
Izvirni znanstveni članek
Oznake: optically induced cavitation;bubble dynamics measurement;fiber optic probe hydrophone;fiber optic probe interferometer;bubble oscillation time;bubble expansion velocity;
Cavitation bubbles are used in medicine as a mechanism to generate shock waves. The study of cavitation bubble dynamics plays a crucial role in understanding and utilizing such phenomena for practical applications and purposes. Since the lifetime of cavitation bubbles is in the range of hundreds of ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Ultrasonic photoacoustic emitter of graphene-nanocomposites film on a flexible substrate
Daniele Vella, Aleš Mrzel, Aljaž Drnovšek, Vasyl Shvalya, Matija Jezeršek
Izvirni znanstveni članek
Oznake: kompoziti;fotoakustični materiali;laserski ultrazvoki;fotoakustične leče;akustična kavitacija;ultrasonic photoacoustic composite;photoacoustic materials;laser ultrasonics;photoacoustic lens;acoustic cavitation;
Photoacoustic devices generating high-amplitude and high-frequency ultrasounds are attractive candidates for medical therapies and on-chip bio-applications. Here, we report the photoacoustic response of graphene nanoflakes – Polydimethylsiloxane composite. A protocol was developed to obtain well-dis ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Amplification of high-intensity pressure waves and cavitation in water using a multi-pulsed laser excitation and black-TiOx optoacoustic lens
Blaž Tašič Muc, Daniele Vella, Nejc Lukač, Matjaž Kos, Matija Jezeršek
Izvirni znanstveni članek
Oznake: črni TiOx;optoakustične leče;akustična kavitacija;lasersko induciran ultrazvok;black-tiox;optoacoustic lens;acoustic cavitation;laser induced ultrasound;
A method for amplification of high-intensity pressure waves generated with a multi-pulsed Nd:YAG laser coupled with a black-TiOx optoacoustic lens in the water is presented and characterized. The investigation was focused on determining how the multi-pulsed laser excitation with delays between 50 µs ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Generation of a focused pressure wave and localized cavitation clouds using a metal-semiconductor Ti/black-TiOx optoacoustic lens
Blaž Tašič Muc, Daniele Vella, Nejc Lukač, Matjaž Kos, Matija Jezeršek
Izvirni znanstveni članek
Oznake: črni TiOx;optoakustična leča;akustična kavitacija;lasersko induciran ultrazvok;black-TiOx;optoacoustic lens;acoustic cavitation;laser induced ultrasound;
The optoacoustic (OA) generation of pressure waves above the cavitation threshold causes the rupture of the liquid and the formation of dispersed cavities. The OA lenses involved in this process are generally associated with an ultra-short laser pulse to generate high-frequency ultrasound. OA elemen ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Measurements of hair temperature avalanche effect with alexandrite and Nd:YAG hair removal lasers
Daniele Vella, Matjaž Lukač, Urban Jernejčič, Nejc Lukač, Žan Klaneček, Matija Milanič, Matija Jezeršek
Izvirni znanstveni članek
Oznake: alexandrite lasers;avalanche effect;hair removal;Nd:YAG lasers;
Background and Objectives: In this study, we investigate the photothermal response of human hair using a pulsed laser source employed in the hair removal treatment. The purpose is to understand the dynamics behind the most common clinical practice to better define the salient features that may contr ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 7
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