Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Ganapathy Senthil"'
Autor:
Thomas Roe, Siona Silveira, Zixing Luo, Eleanor L. Osborne, Ganapathy Senthil Murugan, Michael P. W. Grocott, Anthony D. Postle, Ahilanandan Dushianthan
Publikováno v:
Diagnostics, Vol 14, Iss 10, p 972 (2024)
Access to distal airway samples to assess respiratory diseases is not straightforward and requires invasive procedures such as bronchoscopy and bronchoalveolar lavage. The particles in exhaled air (PExA) device provides a non-invasive means of assess
Externí odkaz:
https://doaj.org/article/540761bba2244988b656e0e887177a35
Publikováno v:
Photonics, Vol 11, Iss 3, p 201 (2024)
A dry-etched pedestal chalcogenide waveguide platform, designed for use in long-wave IR spectrometer applications, is demonstrated, fabricated and optically characterized. The optical layers were deposited on pre-patterned dry-etched silicon pedestal
Externí odkaz:
https://doaj.org/article/89b429a8e43c47d7a2e747b7a0c31cb4
Autor:
Ahilanandan Dushianthan, Michael P. W. Grocott, Ganapathy Senthil Murugan, Tom M. A. Wilkinson, Anthony D. Postle
Publikováno v:
Diagnostics, Vol 13, Iss 18, p 2964 (2023)
Acute respiratory distress syndrome (ARDS) is a major cause of hypoxemic respiratory failure in adults, leading to the requirement for mechanical ventilation and poorer outcomes. Dysregulated surfactant metabolism and function are characteristic of A
Externí odkaz:
https://doaj.org/article/39457e037a4c414c980f351a93289c43
Autor:
Anish Priyadarshi, Firehun Tsige Dullo, Deanna Lynn Wolfson, Azeem Ahmad, Nikhil Jayakumar, Vishesh Dubey, Jean-Claude Tinguely, Balpreet Singh Ahluwalia, Ganapathy Senthil Murugan
Publikováno v:
Communications Materials, Vol 2, Iss 1, Pp 1-11 (2021)
Total internal reflection fluorescence microscopy typically relies on opaque optical waveguides, compatible only with upright microscopes. Here, a versatile approach is reported that uses CMOS-compatible transparent chips, demonstrated for the imagin
Externí odkaz:
https://doaj.org/article/151402563e47422c99e9146c7e4fe541
Autor:
Marek Vlk, Anurup Datta, Sebastián Alberti, Henock Demessie Yallew, Vinita Mittal, Ganapathy Senthil Murugan, Jana Jágerská
Publikováno v:
Light: Science & Applications, Vol 10, Iss 1, Pp 1-7 (2021)
Abstract Nanophotonic waveguides are at the core of a great variety of optical sensors. These structures confine light along defined paths on photonic chips and provide light–matter interaction via an evanescent field. However, waveguides still lag
Externí odkaz:
https://doaj.org/article/dd86006cbc7e4d249bb0bfd90d10cff6
Autor:
Lara Karam, Frédéric Adamietz, Dominique Michau, Ganapathy Senthil Murugan, Thierry Cardinal, Evelyne Fargin, Vincent Rodriguez, Kathleen A. Richardson, Marc Dussauze
Publikováno v:
Advanced Photonics Research, Vol 2, Iss 6, Pp n/a-n/a (2021)
Herein, our attention is focused on the second‐order optical properties of thermally poled sodo‐niobate amorphous thin films through an original methodology that combines both macroscopic and microscopic second harmonic generation techniques. By
Externí odkaz:
https://doaj.org/article/0e01388a28c54c12846a63d05d57949c
Autor:
Waseem Ahmed, Aneesh Vincent Veluthandath, David J. Rowe, Jens Madsen, Howard W. Clark, Anthony D. Postle, James S. Wilkinson, Ganapathy Senthil Murugan
Publikováno v:
Sensors, Vol 22, Iss 5, p 1744 (2022)
The authors of this study developed the use of attenuated total reflectance Fourier transform infrared spectroscopy (ATR–FTIR) combined with machine learning as a point-of-care (POC) diagnostic platform, considering neonatal respiratory distress sy
Externí odkaz:
https://doaj.org/article/58078707eb0f4fea985ffb32e859a4ea
Publikováno v:
Photonics, Vol 8, Iss 12, p 586 (2021)
Photonic nanojet (PNJ) is a tightly focused diffractionless travelling beam generated by dielectric microparticles. The location of the PNJ depends on the refractive index of the material and it usually recedes to the interior of the microparticle wh
Externí odkaz:
https://doaj.org/article/4ce8a745143446f0b51f0a7597b03fb0
Autor:
Pengfei Wang, Ganapathy Senthil Murugan, Timothy Lee, Ming Ding, Gilberto Brambilla, Yuliya Semenova, Qiang Wu, Fumihito Koizumi, Gerald Farrell
Publikováno v:
IEEE Photonics Journal, Vol 4, Iss 3, Pp 1013-1020 (2012)
The fabrication and characterization of a bismuth-silicate glass microsphere resonator has been demonstrated. At wavelengths near 1550 nm, high-modes can be efficiently excited in a 179-μm diameter bismuth-silicate glass microsphere via evanescent c
Externí odkaz:
https://doaj.org/article/ae4f5dd6a26c4f8ab7d82db7294b3e8e
Autor:
Coucheron, David A., Helle, Øystien I., Wilkinson, James S., Murugan, Ganapathy Senthil, Domínguez, Carlos, Angelskår, Hallvar, Ahluwalia, Balpreet S.
On-chip super-resolution optical microscopy is an emerging field relying on waveguide excitation with visible light. Here, we investigate two commonly used high-refractive index waveguide platforms, tantalum pentoxide (Ta$_2$O$_5$) and silicon nitrid
Externí odkaz:
http://arxiv.org/abs/2101.10235