Professor Kenneth Baldwin

Department	Quantum Science & Technology
Research group	He* BEC group
Qualifications	MSc, DIC PhD London, FAIP, FlnstP, FOSA, FAPS
Office phone	(02) 612 54702
Email
Office	Cockcroft 4 07

Publications

Publications

Book

Hannaford P, Sidorov A, Baldwin K
Laser Spectroscopy
World Scientific Publishing Company, Singapore (2004) 395

(1 publications)

Book chapter

Kono M, Baldwin K, Wain L, Sawicki M, Malkiel I, Rode A
High repetition rate laser restoration and monitoring of large area gilded surfaces
Lasers in the Conservation of Artworks
Archetype Publications Ltd, The Netherlands (2013) 45-51

Baldwin K, Hodgman S, Dall R, Byron L, Buckman S, Truscott A
Metastable Helium: Lifetime measurements using cold atoms as a test of QED
Proceedings of International Conference on Laser Spectroscopy 2009
World Scientific Publishing Company, Singapore (2010) 95-104

Rode A, Madsen N, Gamaly E, Luther-Davies B, Baldwin K, Hallam D, Wain A, Hughes J
Ultrafast Laser Cleaning of Museum Artifacts
Laser Cleaning II
World Scientific Publishing Company, Singapore (2006) 219-230

(3 publications)

Journal article

Henson B, Ross J, Thomas K, Kuhn C, Shin D, Hodgman S, Zhang Y, Tang L, Drake G, Bondy A, Truscott A, Baldwin K
Measurement of a helium tune-out frequency: an independent test of quantum electrodynamics
Science 376, 6589(2022) 199-203

Do T, Burke P, Baldwin K, Nguyen C
Underlying drivers and barriers for solar photovoltaics diffusion: The case of Vietnam
Energy Policy 144(2020) 1-11

Kono M, He Y, Lewis B, Gibson S, Baldwin K, Orr B
Two-photon excitation of two Rydberg levels of O2 above 95 130 cm^-1: Rotational-state dependence of predissociation linewidths
Journal of Quantitative Spectroscopy & Radiative Transfer 244(2020) 1-10

Ratnam E, Baldwin K, Mancarella P, Howden S, Seebeck L
Electricity system resilience in a world of increased climate change and cybersecurity risk
Electricity Journal 33, 9(2020) 1-6

Ross J, Thomas K, Henson B, Cocks D, Baldwin K, Hodgman S, Truscott A
Frequency measurements of transitions from the 2 P2 3 state to the 5 D2 1, 5 S1 3, and 5 D 3 states in ultracold helium
Physical Review A 102, 4(2020)

Thomas K, Ross J, Henson B, Shin D, Baldwin K, Hodgman S, Truscott A
Direct Measurement of the Forbidden 23S1 ? 33S1 Atomic Transition in Helium
Physical Review Letters 125, 1(2020) 7

White L, Fazeli R, Cheng W, Aisbett E, Beck F, Baldwin K, Howarth P, O'Neill L
Towards emissions certification systems for international trade in hydrogen: the policy challenge of defining boundaries for emissions accounting
Energy 215, A(2020)

Burke P, McQueen N, Anjum Z, Aisbett E, Resosudarmo B, Baldwin K
Overcoming barriers to solar and wind energy adoption in two Asian giants: India and Indonesia
Energy Policy 132(2019) 1216-1228

Drake G, Manalo J, Zhang P, Baldwin K
Helium tune-out wavelength: Gauge invariance and retardation corrections
Hyperfine Interactions 240, 31(2019) 1-9

Zhang Y, Wu F, Zhang P, Tang L, Zhang J, Baldwin K, Shi T
QED and relativistic nuclear recoil corrections to the 413-nm tune-out wavelength for the 2 S1 3 state of helium
Physical Review A 99, 4(2019) 1-6

He Y, Baldwin K, Orr B, Warrington R, Wouters M, Luiten A, Mirtschin P, Tzioumis T, Phillips C, Stevens J, Lennon B, Munting S, Aben G, Newlands T, Rayner T
Long-distance telecom-fiber transfer of a radio-frequency reference for radio astronomy
Optica 5, 2(2018) 138-146

Khakimov R, Henson B, Shin D, Hodgman S, Dall R, Baldwin K, Truscott A
Ghost imaging with atoms
Nature 540, 7631(2016) 100-103

Kono M, He Y, Baldwin K, Orr B
Sub-Doppler two-photon-excitation Rydberg spectroscopy of atomic xenon: Mass-selective studies of isotopic and hyperfine structure
Journal of Physics B: Atomic, Molecular and Optical Physics 49, 6(2016) 065002 15

Shin D, Henson B, Khakimov R, Ross J, Dedman C, Hodgman S, Baldwin K, Truscott A
Widely tunable, narrow linewidth external-cavity gain chip laser for spectroscopy between 1.0-1.1 µm
Optics Express 24, 24(2016) 27403-27414

Henson B, Khakimov R, Dall R, Baldwin K, Tang L, Truscott A
Precision Measurement for Metastable Helium Atoms of the 413 nm Tune-Out Wavelength at Which the Atomic Polarizability Vanishes
Physical Review Letters 115, 4(2015) 043004 / 1-5

Kono M, Baldwin K, Wain L, Rode A
"Treating the untreatable in art and heritage materials: Ultrafast laser cleaning of "Cloth-of-Gold""
Langmuir 31, 4(2015) 1596-1604

He Y, Orr B, Baldwin K, Wouters M, Luiten A, Aben G, Warrington R
Stable radio-frequency transfer over optical fiber by phase-conjugate frequency mixing
Optics Express 21, 16(2013) 18754-18764

Kono M, He Y, Baldwin K, Orr B
Sub-Doppler two-photon spectroscopy of 33 Rydberg levels in atomic xenon excited at 205-213 nm: Diverse isotopic and hyperfine structure
Journal of Physics B: Atomic, Molecular and Optical Physics 46, 3(2013) 1-16

Manning A, Wu R, Hodgman S, Dall R, Baldwin K, Truscott A
Third-order spatial correlations for ultracold atoms
New Journal of Physics 15(2013)

Schediwy S, Gozzard D, Baldwin K, Orr B, Warrington R, Aben G, Luiten A
High-precision optical-frequency dissemination on branching optical-fiber networks
Optics Letters 38, 15(2013) 2893-2896

Vassen W, Cohen-Tannoudji C, Leduc M, Boiron D, Westbrook C, Truscott A, Baldwin K, Birk G, Cancio P, Trippenbach M
Cold and trapped metastable noble gases
Reviews of Modern Physics 84, 1(2012) 175-210

Dall R, Hodgman S, Manning A, Johnsson M, Baldwin K, Truscott A
Observation of atomic speckle and Hanbury Brown-Twiss correlations in guided matter waves
Nature Communications 2, 1(2011) 1-5

Hodgman S, Dall R, Manning A, Baldwin K, Truscott A
Direct Measurement of Long-Range Third-Order Coherence in Bose-Einstein Condensates
Science 331, 6020(2011) 1046-1049

Hodgman S, Dall R, Manning A, Johnsson M, Baldwin K, Truscott A
Characterizing Atom Sources with Quantum Coherence
Optics and Photonics News 12, 22(2011) 37-37

He Y, Kono M, White R, Sellars M, Baldwin K, Orr B
Coherent heterodyne-assisted pulsed spectroscopy: sub-Doppler two-photon spectra of krypton, characterizing a tunable nonlinear-optical ultraviolet light source
Applied Physics B: Lasers and Optics 99, 4(2010) 609 - 612

Dall R, Hodgman S, Johnsson M, Baldwin K, Truscott A
Transverse mode imaging of guided matter waves
Physical Review A - Atomic, Molecular, and Optical Physics 81, 011602(R)(2009) 1-4

Hodgman S, Dall R, Baldwin K, Truscott A
Complete ground-state transition rates for the helium 2 3P manifold
Physical Review A: Atomic, Molecular and Optical Physics 80, 4(2009) 1-4

Hodgman S, Dall R, Byron L, Baldwin K, Buckman S, Truscott A
Metastable Helium: A New Determination of the Longest Atomic Excited-State Lifetime
Physical Review Letters 103, 053002(2009) 1-4

Dall R, Baldwin K, Byron L, Truscott A
Experimental Determination of the Helium 2 3P1-1 1S0 Transition Rate
Physical Review Letters 100, 2(2008) 1-4

Lewis B, Baldwin K, Heays A, Gibson S, Sprengers J, Ubachs W, Fujitake M
Structure and predissociation of the 3ppuD 3zu+ Rydberg state of N2:First extreme-ultraviolet and new near-infrared observations,with coupled-channels analysis
Journal of Chemical Physics 129, 20(2008) 1-11

Lewis B, Baldwin K, Sprengers J, Ubachs W, Stark G, Yoshino K
Optical observation of the $C$, $3s\sigma_g\,F_3$, and $3p\pi_u\,G_3\,{^3\Pi_u}$ states of N$_2$
Journal of Chemical Physics 129, 16(2008) 164305

Rode A, Baldwin K, Wain A, Madsen N, Freeman D, Delaporte P, Luther-Davies B
Ultrafast laser ablation for restoration of heritage objects
Applied Surface Science 254(2008) 3137-3146

Rode A, Freeman D, Baldwin K, Wain A, Uteza O, Delaporte P
Scanning the laser beam for ultrafast pulse laser cleaning of paint
Applied Physics A: Materials Science and Processing 93(2008) 135 - 139

Chaustowski R, Leung V, Baldwin K
Magnetic hexapole lens focusing of a metastable helium atomic beam for UV-free lithography
Applied Physics B: Lasers and Optics 86(2007) 491-496

Rode A, Baldwin K, Wain A, Delaporte P
Ultrafast lasers for conservation of heritage artefacts
AICCM Bulletin 30(2007) 17-26

White R, He Y, Orr B, Kono M, Baldwin K
Control of frequency chirp in nanosecond-pulsed laser spectroscopy. 3. Spectrotemporal dynamics of an injection-seeded optical parametric oscillator
Journal of the Optical Society of America B 24, 10(2007) 2601-2609

Kono M, Baldwin K, He Y, White R, Orr B
CHAPS: a new precision laser-spectroscopic technique
Journal of the Optical Society of America B 23, 6(2006) 1181-1189

Baldwin K
Metastable Helium: Atom Optics with Nano-grenades
Contemporary Physics 46, 2(2005) 105-120

Baldwin K
Optics in Australia
Optics and Photonics News 16, 3(2005) 22-27

Kono M, Baldwin K, He Y, White R, Orr B
Heterodyne-assisted Pulsed Spectroscopy with a nearly Fourier-transform Limited, Injection-seeded Optical Parametric Oscillator
Optics Letters 30, 24(2005) 3413-3415

Sprengers J, Reinhold E, Ubachs W, Baldwin K, Lewis B
Optical Observation of the 3s?_gF³?_u Ryberg state of N₂
Journal of Chemical Physics 123, 14(2005) 144315-1-5

Sprengers J, Ubachs W, Baldwin K
Isotopic Variation of Experimental Lifetimes for the Lowest ¹?_u States of N₂
Journal of Chemical Physics 122, 14(2005) 144301-1-6

Uhlmann L, Dall R, Truscott A, Hoogerland M, Baldwin K, Buckman S
Electron Collisions with Laser Cooled and Trapped Metastable Helium Atoms: Total Scattering Cross Sections
Physical Review Letters 94, 17(2005) 173201-1-4

Dedman C, Nes J, Hanna T, Dall R, Baldwin K, Truscott A
Optimum Design and Construction of a Zeeman Slower for Use with a Magneto-Optic Trap
Review of Scientific Instruments 75, 12(2004) 5136-5142

Swansson J, Baldwin K, Hoogerland M, Truscott A, Buckman S
A High-Flux, Liquid-Helium Cooled Source of Metastable Rare Gas Atoms
Applied Physics B: Lasers and Optics 79(2004) 485-489

White R, He Y, Orr B, Kono M, Baldwin K
Control of Frequency Chirp in Nanosecond-Pulsed Laser Spectroscopy. 2. A Long-Pulse Optical Parametric Oscillator for Narrow Optical Bandwidth
Journal of the Optical Society of America B 21, 9(2004) 1586-1594

White R, He Y, Orr B, Kono M, Baldwin K
Control of Frequency Chirp in Nanosecond-Pulsed Laser Spectroscopy. 1. Optical-Heterodyne Chirp Analysis Techniques
Journal of the Optical Society of America B 21, 9(2004) 1577-1585

White R, He Y, Orr B, Kono M, Baldwin K
Transition from Single-Mode to Multimode Operation of an Injection-Seeded Pulsed Optical Parametric Oscillator
Optics Express 12, 23(2004) 5655-5660

Halliwell X, Halliwell X, Friedrich R, Friedrich R, Gibson S, Gibson S, Baldwin K, Baldwin K, Baldwin K, Baldwin K
Quantum Reflection of Metastable Helium 2³S Atoms in Hollow Optical Fibres
Optics Communications 224(2003) 89-95

Kono M, Kono M, Lewis B, Lewis B, Baldwin K, Baldwin K, Baldwin K, Baldwin K, Gibson S, Gibson S
Experimental Verification of Line- and Band-shape Asymmetry in the Schumann-Runge System of O₂
Journal of Chemical Physics 118, 24(2003) 10924-10928

Sprengers J, Sprengers J, Ubachs W, Ubachs W, Baldwin K, Baldwin K, Baldwin K, Baldwin K, Lewis B, Lewis B, Tchang-Brillet W, Tchang-Brillet W
Extreme Ultraviolet Laser Excitation of Isotopic Molecular Nitrogen: The Dipole-allowed Spectrum of ¹⁵N₂ and ¹⁴N¹⁵N
Journal of Chemical Physics 119, 6(2003) 3160-3173

White R, White R, He Y, He Y, Orr B, Orr B, Kono M, Kono M, Baldwin K, Baldwin K, Baldwin K, Baldwin K
Pulsed Injection-seeded Optical Parametric Oscillator with Low Frequency Chirp for High-resolution Spectroscopy
Optics Letters 28, 14(2003) 1248-1250

Dall R, Hoogerland M, Tierney D, Baldwin K, Buckman S
Single-Mode Hollow Optical Fibres for Atom Guiding
Applied Physics B: Lasers and Optics 74(2002) 11-18

Leung V, Truscott A, Baldwin K
Nonlinear atom optics with bright matter-wave soliton trains
Physical Review A: Atomic, Molecular and Optical Physics 66(2002) 061602-1-4

Lewis B, Gibson S, Baldwin K, Dooley P, Waring K
Comparative Very-High Resolution VUV Spectroscopy: Laser Spectroscopy of O₂
Surface Review and Letters 9, 1(2002) 31-38

Dall R, Hoogerland M, Baldwin K, Buckman S
Hollow fibre guides for metastable helium atoms
Academie des Sciences Comptes Rendus: Physique 2, 4(2001) 595-603

Dedman C, Baldwin K, Colla M
Fast switching of magnetic fields in a magneto-optic trap
Review of Scientific Instruments 72, 11(2001) 4055-4058

Lu W, Hoogerland M, Milic D, Baldwin K, Buckman S
A bright metastable atom source at 80K
Review of Scientific Instruments 72, 6(2001) 2558-2561

Milic D, Hoogerland M, Baldwin K, Buckman S
Mirror design for two-dimensional magneto-optic lenses and compressors
Applied Optics 40, 12(2001) 1907-1910

Waring K, Lewis B, Baldwin K, Gibson S
? and ? reversal: The dissociation-limit region of the B ³?? state of O₂
Journal of Chemical Physics 115, 13(2001) 5836-5842

Waring K, Lewis B, Baldwin K, Gibson S
? and ? reversal: The dissociation-limit region of the B 3Su - state of O2
Journal of Chemical Physics 115, 13(2001) 5836-5842

Baldwin K, Bott M, Bachor H, Chapple P
Third-harmonic generation and laser-induced continuum structure in sodium
Journal of Optics B: Quantum and Semiclassical Optics 2(2000) 470-475

Bergeson S, Baldwin K, Lucatorto T, McIlrath T, Cheng C, Eyler E
Doppler-free two-photon spectroscopy in the vacuum ultraviolet: helium 11S-21S transition
Journal of the Optical Society of America B 17(2000) 1599 - 1606

Close J, Baldwin K, Hoffman K, Quaas N
Fragmentation of dodecanethiol molecules: application to self-assembled monolayer damage in atom lithography
Applied Physics B: Lasers and Optics 70(2000) 651-655

Bergeson S, Balakrishnam A, Baldwin K, Lucatorto T, Marangos J, McIlrath T, O'Brian T, Rolston S, Sansonetti C, Werner H, Westbrook N, Cheng C, Eyler E
Precision Spectroscopy in He as a test of QED
Physica Scripta 83(1999) 76-82

Dall R, Hoogerland M, Baldwin K, Buckman S
Guiding of metastable helium atoms through hollow optical fibres
Journal of Optics B: Quantum and Semiclassical Optics 1, 4(1999) 396-401

Bergeson S, Balakrishnan A, Baldwin K, Lucatorto T, Marangos J, McIlrath T, O’Brian T, Rolston S, Westbrook N, Cheng C, Eyler E
Measurement of the He ground state lamb shift via the two-photon 11S-21S Transition
Physical Review Letters 80, 16(1998) 3475-3478

Dooley P, Lewis B, Gibson S, Baldwin K, Yoshino K
A comparative high-resolution study of predissociation linewidths in the Schumann-Runge bands of O2
Journal of Chemical Physics 109, 10(1998) 3856-3867

Lu W, Baldwin K, Hoogerland M, Buckman S, Senden T, Sheridan T, Boswell R
Sharp edged silicon structures generated using atom lithography with metastable helium atoms
Journal of Vacuum Science and Technology B 16, 6(1998) 3846-3849

(69 publications)

Conference paper

Baldwin K, Kono M, Orr B, He Y
Precision two-photon-excitation spectroscopy of atomic and molecular Rydberg states
Fourier Transform Spectroscopy, FTS 2018 ?, ?(2018)

Khakimov R, Henson B, Shin D, Hodgman S, Dall R, Baldwin K, Truscott A
Ghost imaging with atoms and photons for remote sensing
Optics and Photonics for Energy and the Environment, EE 2017 ?, ?(2017)

Baldwin K, He Y, Orr B, Warrington R, Luiten A, Tzioumis T, Phillips C, Phillips C, Aben G, Newlands T, Rayner T
Long-distance fiber-optical transfer of a radio-frequency control signal for radio-astronomy and sensing applications
Australian Conference on Optical Fibre Technology (ACOFT 2016) ?, ?(2016) 2

Baldwin K, He Y, Hsu M, Wouters M, Gray M, Orr B, Luiten A, Schediwy S, Chow J, Shaddock D, Aben G, Fisk P, Warrington R
Analog and all-digital frequency distribution via optical fiber links
Conference on Lasers and Electro-Optics (CLEO 2012) ?, ?(2012) 2

Schediwy S, He Y, Anstie J, Hsu M, Light P, Wouters M, Hartnet J, Gray M, Warrington R, Orr B, Baldwin K, Aben G, Luiten A
From Boolardy to Brisbane: Accurate Time and Frequency for the Nation
Australian Conference on Optical Fibre Technology (ACOFT 2012) ?, ?(2012)

He Y, Hsu M, Gray M, Wouters M, Warrington R, Luiten A, Orr B, Baldwin K, Shaddock D, Aben G
An optical fibre-based frequency dissemination network for Australia
Joint Conference of the IEEE International Frequency Control Symposium (IFCS 2011) and European Frequency and Time Forum (EFTF 2011) ?, ?(2011)

He Y, Hsu M, Wouters M, Gray M, Warrington R, Orr B, Shaddock D, Baldwin K, Aben G
An optical fiber-based system for high-stability distribution of reference radio-frequencies
2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011 ?, ?(2011) 262-264

Hodgman S, Dall R, Manning A, Johnsson M, Baldwin K, Truscott A
Quantum correlations and atomic speckle
20th International Conference on Laser Spectroscopy (ICOLS 2011) ?, ?(2011) 231-239

Truscott A, Dall R, Hodgman S, Manning A, Wu R, Johnsson M, Baldwin K, Kheruntsyan K
Higher order correlations in ultracold quantum gases
2011 International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011 ?, ?(2011) 122-123

Orr B, He Y, White R, Kono M, Baldwin K
High-performance amplification of coherent ~25-ns light pulses from a tunable source operating at ~840 nm with bandwidth near the fourier limit
European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/EQEC 2009) ?, ?(2009)

Baldwin K, Kono M, White R, He Y, Orr B
A coherent tunable source of high-power nanosecond pulses at ~840 nm, near the Fourier limit of optical bandwidth
Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS 2008 ?, ?(2008)

Rode A, Freeman D, Madsen N, Baldwin K, Wain A, Uteza O, Delaporte P
Cleaning of paint with high repetition rate laser: Scanning the laser beam
International Conference LACONA VII ?, ?(2008) 49-53

Baldwin K, Kono M, He Y, White R, Orr B
Coherent heterodyne-assisted Pulsed Spectroscopy (CHAPS): A New Technique for Precision Measurement
Conference on Lasers and Electro-Optics, Quantum Electronics and Laser Science/Conference on Photonic Applications, Systems and Technologies (CLEO/QELS 2006) ?, ?(2006) CMO4-1-2

Baldwin K, Kono M, He Y, White R, Orr B
A New High-resolution Pulsed laser Technique: CHAPS - Coherent heterodyne-assisted Pulsed Spectroscopy
Optical Society of America Annual Meeting 2006 ?, ?(2006) FTuL5-1

Byron L, Turazza O, Dall R, Truscott A, Baldwin K
Laser Spectroscopy of Ultracold Metastable Helium Atoms
Optical Society of America Annual Meeting 2006 ?, ?(2006) FThQ7-1

Uhlmann L, Dall R, Baldwin K, Buckman S
Electron Collisions with Trapped Metastable Helium
International Conference on Photonic, Electronic and Atomic Collisions (ICPEAC 2005) ?, ?(2006) 293-296

Baldwin K, Kono M, He Y, White R, Orr B
A Near Fourier-transform Limited Optical Parametric Oscillator/Amplifier System as a Pulsed Source for High Resolution Spectroscopy
Annual Meeting of the IEEE Lasers and Electro-optics Society (LEOS 2005) 2005(2005) 355-356

Baldwin K, Sprengers J, Ubachs W, Lewis B, Gibson S
Ultrahigh Resolution Pulsed XUV Laser Applications: Lifetimes for the Excited ¹ _u States of Molecular Nitrogen
European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/IQEC 2004) ?, ?(2004) 001-002

Baldwin K, Uhlmann L, Dall R, Truscott A, Buckman S
A High Density Metastable Helium MOT for Electron-Atom Collision Studies
European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/IQEC 2004) 97(2004) ITuA3-1-2

White R, He Y, Orr B, Kono M, Baldwin K
Chirp Characterization of a High Resolution, Low-Chirp, ns-pulsed Optical Parametric Oscillator/Amplifier system
European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/IQEC 2004) ?, ?(2004) CThT31-1-2

Uhlmann L, Uhlmann L, Dall R, Dall R, Swansson J, Swansson J, Leung V, Leung V, Hoogerland M, Hoogerland M, Truscott A, Truscott A, Baldwin K, Baldwin K, Baldwin K, Baldwin K, Buckman S, Buckman S
A Laser Cooled Metastable Helium Facility for Atomic Collisions Research
Summer School and International Symposium on the Physics of Ionized Gases (SPIG 2002) ?, ?(2003) 19-33

(21 publications)

Conference written presentation

Schediwy S, Luiten A, Aben G, Baldwin K, He Y, Warrington R
Microwave frequency transfer with optical stabilisation
2012 European Frequency and Time Forum, EFTF 2012 ?, ?(2012) 211-213

(1 publications)

Journal article (non-refereed)

Baldwin K
Australian Senator Advocates National Broadband Plan
Optics and Photonics News 22, 11(2011) 12-13

(1 publications)

Journal short contribution (non refereed)

Baldwin K
The 2010 Barry Inglis medal
Australian Physics 47, 4(2010) 86-88

Baldwin K
When is science valid?
Optics and Photonics News 21, 4(2010) 10-11

(2 publications)