Dr. Debaditya Choudhury Profile

Dr. Debaditya Choudhury

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Publications (16)

Proceedings Article | 14 March 2018 Presentation

A multifunctional endoscope for imaging, fluid delivery and fluid extraction (Conference Presentation)

James Stone, Tushar Choudhary, Helen Parker, Bethany Mills, Adam Marshall, Debaditya Choudhury, Michael Tanner, Harry Wood, Kerrianne Harrington, Jonathan Knight, Tim Birks, Kevin Dhaliwal, Mark Bradley

Proceedings Volume 10488, 104880V (2018) https://doi.org/10.1117/12.2289555

KEYWORDS: Endoscopes, Microfluidic imaging, Microfluidics, Endoscopy, Optical fibers, Telecommunications, Pathogens, Target detection, Lung, Tissues

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SPIE Journal Paper | 12 July 2017

Development of low-loss mid-infrared ultrafast laser inscribed waveguides

Gillian Madden, Debaditya Choudhury, William MacPherson, Robert Thomson

OE, Vol. 56, Issue 07, 075102, (July 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.7.075102

KEYWORDS: Mid-IR, Waveguides, Ultrafast lasers, Waveguide lasers, Astronomy, Exoplanets, Imaging spectroscopy, Spectroscopes, Stellar interferometry, Spatial resolution

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Proceedings Article | 19 April 2017 Presentation

Multiplexed fibre optic sensing in the distal lung (Conference Presentation)

Tushar Choudhary, Michael Tanner, Alicia Megia-Fernandez, Kerrianne Harrington, Harry Wood, Sunay Chankeshwara, Patricia Zhu, Debaditya Choudhury, Fei Yu, Robert Thomson, Rory Duncan, Kevin Dhaliwal, Mark Bradley

Proceedings Volume 10058, 100580E (2017) https://doi.org/10.1117/12.2249982

KEYWORDS: Fiber optics, Optical sensing, Oxygen, Sensors, Lung, Multiplexing, In vitro testing, Pathology, In vivo imaging, Palladium

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Proceedings Article | 19 April 2017 Presentation

Endoscopic sensing of pH in the distal lung (Conference Presentation)

Debaditya Choudhury, Michael Tanner, Sarah McAughtrie, Fei Yu, Bethany Mills, Tushar Choudhary, Sohan Seth, Thomas Craven, James Stone, Ioulia Mati, Colin Campbell, Mark Bradley, Christopher Williams, Kevin Dhaliwal, Timothy Birks, Robert Thomson

Proceedings Volume 10041, 100410B (2017) https://doi.org/10.1117/12.2251925

KEYWORDS: Medical research, Biosensing, Chemistry, Chronic obstructive pulmonary disease, Inflammation, Blood, Lung, Surface enhanced Raman spectroscopy, Physiology, Endoscopy

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Proceedings Article | 17 February 2017 Paper

Towards optical quality micro-optic fabrication by direct laser writing and chemical etching

Calum Ross, David MacLachlan, Debaditya Choudhury, Robert Thomson

Proceedings Volume 10094, 100940V (2017) https://doi.org/10.1117/12.2251986

KEYWORDS: Ultrafast lasers, Micromachining, Microlens, Femtosecond phenomena, Freeform optics, Polishing, Micro optics, Wet etching, Polarization, Etching, Surface finishing, Surface roughness, Silica, Glasses

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Proceedings Article | 4 August 2016 Paper

Increasing the spectral coverage of interferometric integrated optics: K/L and N-laser-written beam combiners

Jan Tepper, Romina Diener, Lucas Labadie, Stefano Minardi, Balaji Muthusubramanian, Jörg-Uwe Pott, Stefan Nolte, Alexander Arriola, Gillian Madden, Debaditya Choudhury, William MacPherson, Robert Thomson

Proceedings Volume 9907, 990719 (2016) https://doi.org/10.1117/12.2231394

KEYWORDS: Interferometry, Integrated optics, Waveguides, Telescopes, Integrated optics, Mid-IR, Information operations, Astronomy, Fourier transforms, Beam splitters, Fiber lasers

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Proceedings Article | 22 July 2016 Paper

Modal noise characterisation of a hybrid reformatter

Izabela Spaleniak, David MacLachlan, Itandehui Gris-Sánchez, Debaditya Choudhury, Robert Harris, Alexander Arriola, Jeremy Allington-Smith, Timothy Birks, Robert Thomson

Proceedings Volume 9912, 991228 (2016) https://doi.org/10.1117/12.2232708

KEYWORDS: Spectrographs, Waveguides, Telescopes, Photonics, Astronomical imaging, Integrated optics, Point spread functions, Astronomy, Speckle pattern, Spectral resolution

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Proceedings Article | 22 July 2016 Paper

Development of an efficient photonic device for the reformatting of celestial light

D. MacLachlan, R. Harris, I. Gris-Sánchez, D. Choudhury, T. Morris, E. Gendron, A. Basden, I. Spaleniak, A. Arriola, T. Birks, J. Allington-Smith, R. Thomson

Proceedings Volume 9912, 991227 (2016) https://doi.org/10.1117/12.2232599

KEYWORDS: Photonic devices, Adaptive optics, Spectrographs, Waveguides, Telescopes, Point spread functions, Stars, Cameras, Planets, Astronomy

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Proceedings Article | 28 September 2015 Paper

Negative curvature fibres: exploiting the potential for novel optical sensors

C. Novo, A. Urich, D. Choudhury, R. Carter, D. Hand, R. Thomson, F. Yu, J. Knight, S. Brooks, S. Mcculloch, J. Shephard

Proceedings Volume 9634, 963455 (2015) https://doi.org/10.1117/12.2186755

KEYWORDS: Silica, Mid-IR, Structured optical fibers, Cladding, Photonics, Absorption, Femtosecond phenomena, Sensors, Optical sensors, Solids

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Proceedings Article | 19 August 2014 Paper

Developing ultrafast laser inscribed volume gratings

David MacLachlan, Debaditya Choudhury, Alexander Arriola, Colin Cunningham, Robert Thomson, Andrew Kirkham, David Lee

Proceedings Volume 9151, 91511H (2014) https://doi.org/10.1117/12.2055882

KEYWORDS: Diffraction gratings, Mid-IR, Diffraction, Manufacturing, Antireflective coatings, Astronomy, Ultrafast lasers, Transmittance, Refractive index, Spectrographs

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Proceedings Article | 24 July 2014 Paper

Ultrafast laser inscribed integrated waveguide components for L-band interferometry

A. Arriola , S. Mukherjee, Debaditya Choudhury, L. Labadie, R. Thomson

Proceedings Volume 9146, 91462L (2014) https://doi.org/10.1117/12.2056494

KEYWORDS: Waveguides, Mid-IR, Interferometry, Astronomy, Ultrafast lasers, Fabrication, Femtosecond phenomena, Glasses, Integrated optics, Waveguide lasers

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Proceedings Article | 18 July 2014 Paper

New generation of photonic lanterns for mid-IR astronomy

A. Arriola, D. Choudhury, R. Thomson

Proceedings Volume 9151, 915116 (2014) https://doi.org/10.1117/12.2056526

KEYWORDS: Waveguides, Mid-IR, Single mode fibers, Astronomy, Waveguide modes, Integrated photonics, Ultrafast lasers, Glasses, Prototyping, Remote sensing

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Proceedings Article | 18 July 2014 Paper

Towards freeform microlens arrays for near infrared astronomical instruments

D. Choudhury, A. Arriola, J. Allington-Smith, C. Cunningham, R. Thomson

Proceedings Volume 9151, 915146 (2014) https://doi.org/10.1117/12.2056479

KEYWORDS: Microlens array, Microlens, Optical fibers, Astronomy, Surface finishing, Etching, Ultrafast lasers, Silica, Polishing, Surface roughness

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Proceedings Article | 18 July 2014 Paper

Development of integrated photonic-dicers for reformatting the point-spread-function of a telescope

David MacLachlan, Robert Harris, Debaditya Choudhury, Alexander Arriola, Graeme Brown, Jeremy Allington-Smith, Robert Thomson

Proceedings Volume 9151, 91511W (2014) https://doi.org/10.1117/12.2055904

KEYWORDS: Waveguides, Telescopes, Point spread functions, Spectrographs, Diffraction, Ultrafast lasers, Adaptive optics, Photonics, Astronomy, Large telescopes

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Proceedings Article | 29 November 2011 Paper

Ultrafast laser inscription: science today, technology tomorrow

D. Choudhury, W. Ramsay, N. Willoughby, L. Paterson, A. Kar

Proceedings Volume 8307, 83070D (2011) https://doi.org/10.1117/12.903689

KEYWORDS: Waveguides, Ultrafast lasers, Microfluidics, Etching, Fabrication, Diagnostics, 3D metrology, Integrated optics, Biomedical optics, Lab on a chip

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Proceedings Article | 15 February 2011 Paper

A femtosecond laser inscribed biochip for stem cell therapeutic applications

D. Choudhury, W. Ramsay, G. Brown, N. Psaila, S. Beecher, R. Thomson, R. Kiss, S. Pells, N. Willoughby, L. Paterson, A. Kar

Proceedings Volume 7929, 79290P (2011) https://doi.org/10.1117/12.874954

KEYWORDS: Stem cells, Femtosecond phenomena, Microfluidics, Silica, Etching, Laser therapeutics, Wet etching, Diagnostics, Leukemia, Microfabrication

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Showing 5 of 16 publications

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