Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Jovan Maksimovic"'
Autor:
Jovan Maksimovic, Jingwen Hu, Soon Hock Ng, Tomas Katkus, Gediminas Seniutinas, Tatiana Pinedo Rivera, Michael Stuiber, Yoshiaki Nishijima, Sajeev John, Saulius Juodkazis
Publikováno v:
Opto-Electronic Advances, Vol 5, Iss 9, Pp 1-12 (2022)
Light trapping photonic crystal (PhC) patterns on the surface of Si solar cells provides a novel opportunity to approach the theoretical efficiency limit of 32.3%, for light-to-electrical power conversion with a single junction cell. This is beyond t
Externí odkaz:
https://doaj.org/article/2bf4be0277f74036a92cff3c6d74dd5e
Autor:
Soon Hock Ng, Vijayakumar Anand, Molong Han, Daniel Smith, Jovan Maksimovic, Tomas Katkus, Annaleise Klein, Keith Bambery, Mark J. Tobin, Jitraporn Vongsvivut, Saulius Juodkazis
Publikováno v:
Applied Sciences, Vol 13, Iss 23, p 12948 (2023)
The Fourier transform infrared microspectroscopy (FTIRm) system of the Australian Synchrotron has a unique optical configuration with a peculiar beam profile consisting of two parallel lines. The beam is tightly focused using a 36× Schwarzschild obj
Externí odkaz:
https://doaj.org/article/3b14fa740aed40c6895e3841e0784fc4
Autor:
Vijayakumar Anand, Molong Han, Jovan Maksimovic, Soon Hock Ng, Tomas Katkus, Annaleise Klein, Keith Bambery, Mark J. Tobin, Jitraporn Vongsvivut, Saulius Juodkazis
Publikováno v:
Opto-Electronic Science, Vol 1, Iss 3, Pp 1-8 (2022)
In recent years, there has been a significant transformation in the field of incoherent imaging with new possibilities of compressing three-dimensional (3D) information into a two-dimensional intensity distribution without two-beam interference (TBI)
Externí odkaz:
https://doaj.org/article/ec4f53cc574e492f811272f61708c1b7
Autor:
Vijayakumar Anand, Soon Hock Ng, Jovan Maksimovic, Denver Linklater, Tomas Katkus, Elena P. Ivanova, Saulius Juodkazis
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
Abstract Multispectral imaging technology is a valuable scientific tool for various applications in astronomy, remote sensing, molecular fingerprinting, and fluorescence imaging. In this study, we demonstrate a single camera shot, lensless, interfere
Externí odkaz:
https://doaj.org/article/32150163c5d64872ac35b061b35a2463
Autor:
Jovan Maksimovic, Haoran Mu, Daniel Smith, Tomas Katkus, Mantas Vaičiulis, Ramūnas Aleksiejūnas, Gediminas Seniutinas, Soon Hock Ng, Saulius Juodkazis
Publikováno v:
Micromachines, Vol 14, Iss 3, p 550 (2023)
Ultra-short 230 fs laser pulses of a 515 nm wavelength were tightly focused onto 700 nm focal spots and utilised in opening ∼0.4–1 μm holes in alumina Al2O3 etch masks with a 20–50 nm thickness. Such dielectric masks simplify the fabrication o
Externí odkaz:
https://doaj.org/article/6e8c8fb1f37941ef8073ebfddedd8c0f
Autor:
Stefania Castelletto, Jovan Maksimovic, Tomas Katkus, Takeshi Ohshima, Brett C. Johnson, Saulius Juodkazis
Publikováno v:
Nanomaterials, Vol 11, Iss 1, p 72 (2020)
Color centers in silicon carbide are relevant for applications in quantum technologies as they can produce single photon sources or can be used as spin qubits and in quantum sensing applications. Here, we have applied femtosecond laser writing in sil
Externí odkaz:
https://doaj.org/article/ecc2e3842dec4dd8aeb9274fef542793
Autor:
Jovan Maksimovic, Soon-Hock Ng, Tomas Katkus, Nguyen Hoai An Le, James W.M. Chon, Bruce C.C. Cowie, Tao Yang, Yves Bellouard, Saulius Juodkazis
Publikováno v:
Nanomaterials, Vol 10, Iss 2, p 182 (2020)
To harness light-matter interactions at the nano-/micro-scale, better tools for control must be developed. Here, it is shown that by applying an external electric and/or magnetic field, ablation of Si and glass under ultra-short (sub-1 ps) laser puls
Externí odkaz:
https://doaj.org/article/18ea04b957bd4f179bb59f25baac0471
Publikováno v:
Nanomaterials, Vol 9, Iss 12, p 1662 (2019)
The femtosecond laser ablation of silicon amidst an externally applied magnetic field in different orientations was investigated with respect to the scanning direction and polarisation of the laser beam, by observation of ablation patterns and debris
Externí odkaz:
https://doaj.org/article/cabaeb5494dc480484d9343362aed581
Autor:
Hua Fan, Meguya Ryu, Reo Honda, Junko Morikawa, Zhen-Ze Li, Lei Wang, Jovan Maksimovic, Saulius Juodkazis, Qi-Dai Chen, Hong-Bo Sun
Publikováno v:
Nanomaterials, Vol 9, Iss 10, p 1414 (2019)
Birefringence of 3 × 10 − 3 is demonstrated inside cross-sectional regions of 100 μ m, inscribed by axially stretched Bessel-beam-like fs-laser pulses along the c-axis inside sapphire. A high birefringence and retardance of λ / 4 at mid-visible
Externí odkaz:
https://doaj.org/article/9296f641e29341b4a35cfd75c9ac37a4
Autor:
Jovan Maksimovic, Haoran Mu, Molong Han, Daniel Smith, Tomas Katkus, Vijayakumar Anand, Yoshiaki Nishijima, Soon Hock Ng, Saulius Juodkazis
Publikováno v:
Materials
Volume 16
Issue 5
Pages: 1917
Volume 16
Issue 5
Pages: 1917
Ultra-short 230 fs laser pulses of 515 nm wavelength were tightly focused into 700 nm focal spots and utilised in opening ∼400 nm nano-holes in a Cr etch mask that was tens-of-nm thick. The ablation threshold was found to be 2.3 nJ/pulse, double th