| Perturbation theory of the non-linear optical polarization of an isolated system BJ Orr, JF Ward Molecular Physics 20 (3), 513-526, 1971 | 1629 | 1971 |
| Molecular hyperpolarisabilities AD Buckingham, BJ Orr Quarterly Reviews, Chemical Society 21 (2), 195-212, 1967 | 325 | 1967 |
| Angular distribution and intensity in molecular photoelectron spectroscopy I. General theory for diatomic molecules AD Buckingham, BJ Orr, JM Sichel Optical, Electric and Magnetic Properties of Molecules, 245-255, 1997 | 286 | 1997 |
| Optical heterodyne detection in optical cavity ringdown spectroscopy BJ Orr, Y He US Patent 7,012,696, 2006 | 151 | 2006 |
| Kerr effect in methane and its four fluorinated derivatives AD Buckingham, BJ Orr Transactions of the Faraday Society 65, 673-681, 1969 | 149 | 1969 |
| Tunable β-barium borate optical parametric oscillator: operating characteristics with and without injection seeding A Fix, T Schröder, R Wallenstein, JG Haub, MJ Johnson, BJ Orr JOSA B 10 (9), 1744-1750, 1993 | 128 | 1993 |
| Ringdown and cavity-enhanced absorption spectroscopy using a continuous-wave tunable diode laser and a rapidly swept optical cavity Y He, BJ Orr Chemical Physics Letters 319 (1-2), 131-137, 2000 | 114 | 2000 |
| Microwave-induced plasmas: Implementation and application JP Matousek, B Orr, M Selby Progress in analytical atomic spectroscopy 7 (3), 275-314, 1984 | 110 | 1984 |
| Electric dipole polarizabilities of atoms and molecules MP Bogaard, BJ Orr chap 5, 149-194, 1975 | 110 | 1975 |
| Quarterly Reviews AD Buckingham, BJ Orr Chem. Soc. London 21 (195.10), 1039, 1967 | 107 | 1967 |
| Long-distance telecom-fiber transfer of a radio-frequency reference for radio astronomy Y He, KGH Baldwin, BJ Orr, R Bruce Warrington, MJ Wouters, AN Luiten, ... Optica 5 (2), 138-146, 2018 | 105 | 2018 |
| Stable radio-frequency transfer over optical fiber by phase-conjugate frequency mixing Y He, BJ Orr, KGH Baldwin, MJ Wouters, AN Luiten, G Aben, ... Optics express 21 (16), 18754-18764, 2013 | 105 | 2013 |
| Collision-induced vibrational energy transfer in small polyatomic molecules BJ Orr, IWM Smith Journal of Physical Chemistry 91 (24), 6106-6119, 1987 | 104 | 1987 |
| Anisotropic intermolecular forces from Hartree-Fock plus damped dispersion (HFD) calculations: Application to Ar-HCl and Ar-HF C Douketis, JM Hutson, BJ Orr, G Scoles Molecular Physics 52 (4), 763-781, 1984 | 98 | 1984 |
| Kerr effect in some simple non-dipolar gases AD Buckingham, MP Bogaard, DA Dunmur, CP Hobbs, BJ Orr Transactions of the Faraday Society 66, 1548-1553, 1970 | 92 | 1970 |
| Continuously tunable, injection‐seeded β‐barium borate optical parametric oscillator: Spectroscopic applications JG Haub, MJ Johnson, BJ Orr, R Wallenstein Applied physics letters 58 (16), 1718-1720, 1991 | 83 | 1991 |
| Rapidly swept, continuous-wave cavity ringdown spectroscopy with optical heterodyne detection: single-and multi-wavelength sensing of gases Y He, BJ Orr Applied Physics B 75, 267-280, 2002 | 81 | 2002 |
| Two-photon resonant, optical third-harmonic generation in cesium vapor KM Leung, JF Ward, BJ Orr Physical Review A 9 (6), 2440, 1974 | 77 | 1974 |
| Pulsed injection-seeded optical parametric oscillator with low frequency chirp for high-resolution spectroscopy RT White, Y He, BJ Orr, M Kono, KGH Baldwin Optics letters 28 (14), 1248-1250, 2003 | 74 | 2003 |
| Electric birefringence in molecular hydrogen AD Buckingham, BJ Orr Proceedings of the Royal Society of London. Series A. Mathematical and …, 1968 | 73 | 1968 |