• 4 WEST 3.22

Accepting PhD Students

19972022
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Research Output 1997 2018

2018

45W 2 μm nanosecond pulse delivery using antiresonant hollow-core fiber

Lee, E., Luo, J., Sun, B., Ramalingam, V. L., Yu, X., Wang, Q., Yu, F. & Knight, J. C. 1 Jan 2018 CLEO - Science and Innovations, CLEO_SI 2018: Volume Part F94-CLEO_SI 2018. OSA Publishing, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Beam quality
Fibers

Continuous-Wave Mid-Infrared Gas Fiber Lasers

Xu, M., Yu, F., Hassan, M. R. & Knight, J. C. 1 May 2018 In : IEEE Journal of Selected Topics in Quantum Electronics. 24, 3, 8255800

Research output: Contribution to journalArticle

Open Access
Gas lasers
gas lasers
Fiber lasers
continuous radiation
fiber lasers

Improving SERS diagnostics with hollow-core negative curvature fibers

Knight, J. & Yerolatsitis, S. 1 Jan 2018 In : Spectroscopy . 33, 1, p. 24-29 6 p.

Research output: Contribution to journalReview article

Raman spectroscopy
hollow
curvature
fibers
Fibers

Semi-random multicore fibre design for adaptive multiphoton endoscopy

Kim, Y., Warren, S., Favero, F., Stone, J., Clegg, J., Neil, M., Paterson, C., Knight, J., French, P. & Dunsby, C. 5 Feb 2018 In : Optics Express. 26, 3, p. 3361-3673 13 p., 314725

Research output: Contribution to journalArticle

Open Access
fibers
fluorescence
close packed lattices
pollen
beads

Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery

Yu, F., Cann, M., Brunton, A., Wadsworth, W. & Knight, J. 13 Apr 2018 In : Optics Express. 26, 8, p. 10879-10887 9 p.

Research output: Contribution to journalArticle

Open Access
hollow
delivery
fibers
pulses
silicon dioxide
2017

Advances in Hollow Core Fibres and Application to Mid-Infrared Fibre Gas Lasers

Xu, M. Dec 2017 133 p.

Research output: ThesisDoctoral Thesis

Open Access
File
gas lasers
fiber lasers
hollow
fibers
lasers
3 Citations

Continuous-wave 3.1 μm gas fiber laser with 0.47 W output power

Xu, M., Yu, F., Hassan, M. R. A. & Knight, J. C. 2017 CLEO: Science and Innovations, CLEO SI, 2017: Part F41-CLEO SI, 2017. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gas lasers
Acetylene
Erbium doped fiber amplifiers
Spontaneous emission
Fiber lasers
1 Citations

Experimental measurement of supercontinuum coherence in highly nonlinear soft-glass photonic crystal fibers

Zhang, Y., Kainerstorfer, J., Knight, J. C. & Omenetto, F. G. 7 Aug 2017 In : Optics Express. 25, 16, p. 18842-18852 11 p.

Research output: Contribution to journalArticle

Open Access
File
photonics
fibers
glass
crystals
fission

Gas filled hollow core mid-IR fibre lasers

Wadsworth, W. J., Love, A. L., Yu, F., Hassan, M. R. A., Xu, M. & Knight, J. C. 2017 The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017: Part F82. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Low loss anti-resonant hollow-core fibers and applications

Yu, F. & Knight, J. C. 1 Sep 2017 ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, 8024815

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fibers
Gases
Gas lasers
Optical frequency conversion
Fiber lasers
1 Citations

Low-loss silica hollow-core fiber for UV

Yu, F., Wadsworth, W. & Knight, J. 2017 Advanced Solid State Lasers, ASSL 2017: Part F75-ASSL 2017. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Silicon Dioxide
Silica
Fibers
1 Citations

Measurement of resonant bend loss in antiresonant hollow core optical fiber

Carter, R. M., Yu, F., Wadsworth, W. J., Shephard, J. D., Birks, T., Knight, J. C. & Hand, D. P. 21 Aug 2017 In : Optics Express. 25, 17, p. 20612-20621 10 p.

Research output: Contribution to journalArticle

Open Access
hollow
optical fibers
wavelengths
delivery
radii
7 Citations

Mid-infrared 1 Watt hollow-core fiber gas laser source

Xu, M., Yu, F. & Knight, J. 15 Oct 2017 In : Optics Letters. 42, 20, p. 4055-4058

Research output: Contribution to journalArticle

Open Access
gas lasers
fiber lasers
hollow
pumps
gas pressure
2 Citations

Quantitative characterization of endoscopic imaging fibers

Wood, H. A. C., Harrington, K., Stone, J. M., Birks, T. A. & Knight, J. C. 6 Feb 2017 In : Optics Express. 25, 3, p. 1985-1992 8 p.

Research output: Contribution to journalArticle

Open Access
fibers
preforms
visibility
wavelengths
interference
2016
8 Citations

Adaptive multiphoton endomicroscope incorporating a polarization-maintaining multicore optical fiber

Kim, Y., Warren, S., Knight, J., Neil, M., Paterson, C., Stone, J., Dunsby, C. & French, P. May 2016 In : IEEE Journal of Selected Topics in Quantum Electronics. 22, 3, 8 p., 6800708

Research output: Contribution to journalArticle

Open Access
File
6 Citations

Adaptive multiphoton endomicroscopy through a dynamically deformed multicore optical fiber using proximal detection

Warren, S. C., Kim, Y., Stone, J. M., Mitchell, C., Knight, J. C., Neil, M. A. A., Paterson, C., French, P. M. W. & Dunsby, C. 19 Sep 2016 In : Optics Express. 24, 19, p. 21474-21484

Research output: Contribution to journalArticle

Advances in multicore optical fibres for endoscopy

Roper, J. 2016 (Unpublished) 86 p.

Research output: ThesisDoctoral Thesis

File
optical fibers
fibers
fabrication
theses
silicon dioxide
40 Citations

Cavity-based mid-IR fiber gas laser pumped by a diode laser

Abu Hassan, M. R., Yu, F., Wadsworth, W. J. & Knight, J. C. 20 Mar 2016 In : Optica. 3, 3, p. 218-221

Research output: Contribution to journalLetter

Open Access
24 Citations

Experimental study of low-loss single-mode performance in anti-resonant hollow-core fibers

Yu, F., Xu, M. & Knight, J. 11 Jul 2016 In : Optics Express. 24, 12, p. 12969-12975

Research output: Contribution to journalArticle

Open Access
File
hollow
fibers
attenuation
yield point
welding

Fugitive methane leak detection using mid-infrared hollow-core photonic crystal fiber containing ultrafast laser drilled side-holes

Karp, J., Challener, W., Kasten, M., Choudhury, N., Palit, S., Pickrell, G., Homa, D., Floyd, A., Cheng, Y., Yu, F. & Knight, J. 2016 Fiber Optic Sensors and Applications XII. Udd, E., Pickrell, G. & Du, H. H. (eds.). SPIE, 985210. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9852)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hollow
methane
photonics
fibers
crystals
2 Citations

Line-tunable CW lasing of mid-infrared acetylene gas hollow core fiber laser

Yu, F., Hassan, M. R. A., Wadsworth, W. & Knight, J. 16 Dec 2016 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7788849

Research output: Chapter in Book/Report/Conference proceedingConference contribution

laser cavities
acetylene
fiber lasers
lasing
hollow

Low-loss anti-resonant hollow-core fibers with single-mode performance

Xu, M., Yu, F. & Knight, J. C. 11 Jul 2016 Specialty Optical Fibers,(SOF) 2016: Part F18. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fibers
Fabrication

Negative curvature hollow core optical fiber

Yu, F. & Knight, J. Mar 2016 In : IEEE Journal of Selected Topics in Quantum Electronics. 22, 2, p. 1-11 11 p.

Research output: Contribution to journalArticle

Open Access
File

Pulsed and CW mid-infrared acetylene gas hollow-core fiber laser

Yu, F., Hassan, M. R. A., Wadsworth, W. & Knight, J. 11 Jul 2016 Specialty Optical Fibers, (SOF) 2016. OSA Publishing, Vol. Part F18-SOF 2016

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Acetylene
Fiber lasers
Silicon Dioxide
Semiconductor lasers
Gases

Quantitative characterisation of endoscopic imaging fibres

Wood, H. A. C., Stone, J. M., Harrington, K., Birks, T. A. & Knight, J. C. 16 Dec 2016 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7788793

Research output: Chapter in Book/Report/Conference proceedingConference contribution

fibers
interferometry
1 Citations

Reduced repetition rate Yb3+ mode-locked picosecond fiber laser with hollow core fiber

Harvey, C. M., Yu, F., Knight, J. C., Wadsworth, W. J. & Almeida, P. J. 15 Mar 2016 In : IEEE Photonics Technology Letters. 28, 6, p. 669-672 4 p., 7342904

Research output: Contribution to journalArticle

Mode-locked fiber lasers
fiber lasers
Laser pulses
hollow
repetition

Spectral broadening and pulse compression using argon filled hollow-core negative curvature fiber

Harvey, C. M., Yu, F., Knight, J. C., Wadsworth, W. J. & Almeida, P. J. 16 Dec 2016 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7789162

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pulse compression
phase modulation
hollow
curvature
argon
5 Citations

Tunable fibre-coupled multiphoton microscopy with a negative curvature fibre

Sherlock, B., Yu, F., Stone, J., Warren, S., Paterson, C., Neil, M. A. A., French, P. M. W., Knight, J. & Dunsby, C. Jul 2016 In : Journal of Biophotonics. 9, 7, p. 715-720

Research output: Contribution to journalArticle

Open Access
Optical fiber coupling
Microscopy
Microscopic examination
Lasers
Heart Rate

Useful light from photonic crystal fibres

Wadsworth, W. J., Yu, F. & Knight, J. C. 16 Dec 2016 2016 Conference on Lasers and Electro-Optics, CLEO 2016. IEEE, 7789212

Research output: Chapter in Book/Report/Conference proceedingConference contribution

availability
photonics
fibers
pulses
wavelengths
2015
4 Citations

Fibre-coupled multiphoton microscope with adaptive motion compensation

Sherlock, B., Warren, S., Stone, J., Neil, M., Paterson, C., Knight, J., French, P. & Dunsby, C. 1 May 2015 In : Biomedical Optics Express. 6, 5, p. 1876-1884 9 p., A025

Research output: Contribution to journalArticle

microscopes
fibers
Optical Coherence Tomography
mice
tomography
27 Citations

High energy green nanosecond and picoseconds pulse delivery through a negative curvature fiber for precision micro-machining

Jaworski, P., Yu, F., Carter, R. M., Knight, J. C., Shephard, J. D. & Hand, D. P. 6 Apr 2015 In : Optics Express. 23, 7, p. 8498-8506 9 p.

Research output: Contribution to journalArticle

Open Access
File
picosecond pulses
machining
delivery
curvature
fibers

Hollow-core fiber gas lasers

Wadsworth, W. J., Love, A. L. & Knight, J. C. 13 Nov 2015 Workshop on Specialty Optical Fibers and their Applications, WSOF 2015. OSA Publishing, WT1A.1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

gas lasers
fiber lasers
hollow
monatomic gases
optical fibers

Hollow core fibers for optically pumped mid-IR fiber lasers

Knight, J. C., Abu Hassan, M. R., Yu, F. & Wadsworth, W. J. 13 Nov 2015 Workshop on Specialty Optical Fibers and their Applications, WSOF 2015. OSA Publishing, WF2A.1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

infrared lasers
fiber lasers
hollow
silicon dioxide
fibers

Lasers Using Low Loss Hollow Optical Fibres in the Mid-Infrared

Wadsworth, W., Love, A., Bateman, S., Yu, F., Abu Hassan, M. R. & Knight, J. 28 Jun 2015 3 p.

Research output: Contribution to conferencePaper

Open Access
File
gas lasers
fiber lasers
hollow
delivery
optical fibers

Maximization of supercontinua in fibers by using double pulses and polarization effects

Kalashnikov, V., Dombi, P., Fuji, T., Wadsworth, W. J., Knight, J. C., Russell, P. S. . J., Windeler, R. & Apolonski, A. 2015 p. TuA4.4/62-TuA4.4/63

Research output: Contribution to conferenceOther

4 Citations

Minimizing group index variations in a multicore endoscope fiber

Roper, J. C., Yerolatsitis, S., Birks, T. A., Mangan, B. J., Dunsby, C., French, P. M. W. & Knight, J. C. 15 Nov 2015 In : IEEE Photonics Technology Letters. 27, 22, p. 2359-2362 7177072

Research output: Contribution to journalArticle

Open Access
File
endoscopes
Endoscopy
fibers
Fibers
propagation modes
1 Citations

Negative curvature fibres: exploiting the potential for novel optical sensors

Novo, C. C., Urich, A., Choudhury, D., Carter, R., Hand, D. P., Thomson, R. R., Yu, F., Knight, J. C., Brooks, S., McCulloch, S. & Shephard, J. D. 30 Nov 2015 Proceedings of SPIE (The International Society for Optical Engineering) 24th International Conference on Optical Fibre Sensors. Kalinowski, H., Fabris, J. & Bock, W. J. (eds.). SPIE, Vol. 9634, 963455

Research output: Chapter in Book/Report/Conference proceedingConference contribution

optical measuring instruments
curvature
fibers
silicon dioxide
hollow
2 Citations

Reducing Nonlinear Limitations of Ytterbium Mode-Locked Fibre Lasers with Hollow-Core Negative Curvature Fibre

Harvey, C., Yu, F., Knight, J., Wadsworth, W. & Almeida, P. 15 May 2015 Optical Society of America: Conference papers CLEO. OSA Publishing, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
ytterbium
fiber lasers
hollow
curvature
fibers
2 Citations

Synchronously pumped mid-IR hollow core fiber gas laser

Abu Hassan, M. R., Yu, F., Wang, Z., Belardi, W., Wadsworth, W. J. & Knight, J. C. 2015 CLEO: Science and Innovations, CLEO-SI 2015. OSA Publishing, SF1F.7

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
gas lasers
acetylene
fiber lasers
hollow
repetition
2014
4 Citations

1.9 μm coherent source generation in hydrogen-filled hollow core fiber by stimulated raman scattering

Wang, Z., Yu, F., Wadsworth, W. & Knight, J. C. 28 Aug 2014 Optical Fiber Communication Conference 2014 . Optical Society of America, p. 1-3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
coherent sources
hollow
Raman spectra
fibers
hydrogen
39 Citations

Efficient 1.9 μm emission in H-filled hollow core fiber by pure stimulated vibrational Raman scattering

Wang, Z., Yu, F., Wadsworth, W. J. & Knight, J. C. Oct 2014 In : Laser Physics Letters. 11, 10, p. 105807

Research output: Contribution to journalArticle

File
Raman scattering
hollow
Raman spectra
fibers
Fibers
27 Citations

Efficient diode-pumped mid-infrared emission from acetylene-filled hollow-core fiber

Wang, Z., Belardi, W., Yu, F., Wadsworth, W. J. & Knight, J. C. 8 Sep 2014 In : Optics Express. 22, 18, p. 21872-21878 7 p.

Research output: Contribution to journalArticle

Open Access
File
acetylene
hollow
diodes
pumps
fibers
6 Citations

Highly birefringent 98-core fiber

Stone, J. M., Yu, F. & Knight, J. C. 1 Aug 2014 In : Optics Letters. 39, 15, p. 4568-4570 3 p.

Research output: Contribution to journalArticle

Open Access
File
fibers
polarization
birefringence
synchronism
extinction

Highly birefringent multicore optical fibers

Stone, J. M., Yu, F. & Knight, J. C. 2014 Optics Infobase Conference papers. Washington D. C., U. S. A.: Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File

High peak power nanosecond and picosecond pulse delivery through a hollow-core Negative Curvature Fiber in the green spectral region for micro-machining

Jaworski, P., Yu, F., Carter, R. M., Wadsworth, W. J., Birks, T. A., Knight, J. C., Shephard, J. D. & Hand, D. P. 2014 Specialty Optical Fibers, SOF 2014. OSA Publishing

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
picosecond pulses
machining
hollow
delivery
curvature
1 Citations

High-power femtosecond fiber lasers based on self-similar pulse evolution

Liu, H., Renninger, W., Nie, B., Dantus, M., Yu, F., Knight, J., Chong, A. & Wise, F. 2014 Nonlinear Optics and Its Applications VIII; and Quantum Optics III: Volume 9136. Eggleton, B. J., Gaeta, A. L., Broderick, N. G. R., Sergienko, A. G., Rauschenbeutel, A. & Durt, T. (eds.). SPIE, 91360W

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Femtosecond Laser
Fiber Laser
Fiber lasers
High Power
high power lasers
65 Citations

Hollow antiresonant fibers with low bending loss

Belardi, W. & Knight, J. C. 18 Apr 2014 In : Optics Express. 22, 8, p. 10091-10096 6 p.

Research output: Contribution to journalArticle

File
hollow
fibers
attenuation
radii
wavelengths
46 Citations

Hollow antiresonant fibers with reduced attenuation

Belardi, W. & Knight, J. C. 1 Apr 2014 In : Optics Letters. 39, 7, p. 1853-1856 4 p.

Research output: Contribution to journalArticle

Open Access
File
hollow
attenuation
fibers
leakage
fabrication

Negative curvature fibers with reduced leakage loss

Belardi, W. & Knight, J. C. 2014 Optical Fiber Communication Conference, OSA Technical Digest . IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
leakage
curvature
fibers
hollow
silicon dioxide
1 Citations

Out of the blue and into the black - silica fibers for the mid-IR

Knight, J., Belardi, W. & Yu, F. 16 Nov 2014

Research output: Contribution to conferencePaper

silicon dioxide
fibers
wavelengths
hollow
optical fibers