2016

Hawkins, G., Sherwood, R., Djotni, K. and Threadgold, T. (2016) Cooled optical filters for Q-band infrared astronomy (15-40 μm). In: Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation (Conference 9912), Coatings, Filters and Gratings [9912-110], 26 Jun - 01 Jul 2016, Edinburgh, United Kingdom. doi: https://doi.org/10.1117/12.2231669

Schlumberger Holdings Limited; University of Reading (2016) Temperature invariant infrared filter. .

2015

Hawkins, G. and Stolberg-Rohr, T. (2015) Determination of the embedded thermo-optical expansion coefficients of PbTe and ZnSe thin film infrared multilayers. Optics Express, 23 (12). pp. 16348-16355. ISSN 1094-4087 doi: https://doi.org/10.1364/OE.23.016348

Stolberg-Rohr, T. and Hawkins, G. J. (2015) Spectral design of temperature-invariant narrow bandpass filters for the mid-infrared. Optics Express, 23 (1). pp. 580-596. ISSN 1094-4087 doi: https://doi.org/10.1364/OE.23.000580

2014

Hawkins, G., Woods, D., Sherwood, R. and Djotni, K. (2014) Infrared optical coatings for the EarthCARE Multispectral Imager. Applied Optics, 53 (30). pp. 6983-6992. ISSN 0003-6935 doi: https://doi.org/10.1364/AO.53.006983

Stolberg-Rohr, T., Buchner, R., Clausen, S., Jensen, J. M., Skouboe, A., Hawkins, G. and Hansen, R.´e. S. (2014) In optics humidity compensation in NDIR exhaust gas measurements of NO2. In: Symposium on Surface Functionalization of Optical Fiber and Waveguide Based Bio- and Chemical-Sensors, The Optical Society, 27 - 31 July, Barcelona, Spain.

2013

Threadgold, T., Bowen, J. and Hawkins, G. (2013) Automated algorithms for multilayer thin film filter design using metamaterials. In: Optical Strategies for Enhancing Sensing, Imaging, Communication and Energy Conversion (NATO Advanced Study Institute), 4-19 July 2013, Erice, Italy.

Hawkins, G., Sherwood, R., Djotni, K., Coppo, P. M., Höhnemann, H. and Belli, F. (2013) Cooled infrared filters and dichroics for the sea and land surface temperature radiometer (SLSTR). Applied Optics Journal, 52 (10). pp. 2125-2135. ISSN 2155-3165 doi: https://doi.org/10.1364/AO.52.002125

2010

Barillot, M., Barthelemy, E., Bastard, L., Broquin, J. E., Hawkins, G. J., Kirschner, V., Ménard, S., Parent, G., Poinsot, C., Pradel, A., Vigreux, C., Zhang, S. and Zhang, X. (2010) Integrated optics for nulling interferometry in the thermal infrared: progress and recent achievements. In: International Conference on Space Optics (ICSO 2010), 4 -8 Oct 2010, Greece.

2008

Hawkins, G. and Sherwood, R. E. (2008) Cooled infrared filters and dichroics for the James Webb Space Telescope Mid-Infrared Instrument. Applied Optics, 47 (13). C25-C34. ISSN 0003-6935 doi: https://doi.org/10.1364/AO.47.000C25

Hawkins, G. J., Sherwood, R. E., Barrett, B. M., Wallace, M., Orr, H. J. B., Matthews, K. and Bisht, S. (2008) High-performance infrared narrow-bandpass filters for the Indian National Satellite System meteorological instrument (INSAT-3D). Applied Optics, 47 (13). pp. 2346-2356. ISSN 0003-6935 doi: https://doi.org/10.1364/AO.47.002346

Barillot, M., Barthelemy, E., Broquin, J.E., Frayret, J., Grelin, J., Hawkins, G., Kirschner, V., Parent, G., Pradel, A., Rossi, E., Vigreux, C., Zhang, S.Q. and Zhang, X.H. (2008) Integrated optics for nulling interferometry in the thermal infrared. In: Scholler, M., Danchi, W.C. and Delplancke, F. (eds.) Optical and infrared interferometry. SPIE, Bellingham, 1314-1314 . ISBN 9780819472236 doi: https://doi.org/10.1117/12.789378

Wakeham, S., Hawkins, G., Henderson, G. and Carthey, N. (2008) Investigation of tin-based alternatives for cadmium in optoelectronic thin-films materials. Applied Optics, 47 (13). C206-C213. ISSN 0003-6935 doi: https://doi.org/10.1364/AO.47.00C206

Hawkins, G. J., Sherwood, R. and Djotni, K. (2008) Mid-infrared filters for astronomical and remote sensing instrumentation. In: Kaiser, N., Lequime, M. and Mcleod, H. A. (eds.) Advances in optical thin films III. Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE), 7101. SPIE, 10114 -10114. ISBN 9780819473318 doi: https://doi.org/10.1117/12.796635

2007

Hawkins, G. J., Sherwood, R. E. and Barrett, B. M. (2007) Cooled Infrared Dichroic Beamsplitters and Filters for the MIRI Spectrometer and Imager (5-29µm). In: Optical Interference Coatings, OSA Technical Digest (CD). Optical Society of America. ISBN 1557528411

Wakeham, S.J., Hawkins, G.J., Henderson, G.R. and Carthey, N.A. (2007) Investigation of Sn-based alternatives to cadmium in thin film coatings. In: Optical Interference Coatings, OSA Technical Digest (CD) (Optical Society of America, 2007), Tuscon, USA.

Hawkins, G.J., Sherwood, R. E., Barratt, B.M. and Wakeham, S.J. (2007) Mid-infrared filters for the diviner radiometer experiment on the lunar reconnaissance orbiter (7-40um). In: OSA Optical Interference Coatings Topical Meeting and Tabletop Exhibit, Tuscon, USA.

2006

Wakeham, S.J. and Hawkins, G.J. (2006) Investigation of cadmium alternatives in thin-film coatings - art. no. 62860C. In: Ellison, M. J. (ed.) Advances in Thin - Film Coatings for Optical Applications III. Proceedings of the Society of Photo-Optical Instrumentation Engineers (Spie), 6286. Spie-Int Soc Optical Engineering, Bellingham, C2860-C2860. ISBN 0277-786X 0-8194-6365-5 doi: https://doi.org/10.1117/12.680349

2005

Theocharous, E., Hawkins, G. and Fox, N. P. (2005) Reversible ageing effects in cryogenically cooled infrared filter radiometers. Infrared Physics & Technology, 46 (4). pp. 339-349. ISSN 1350-4495 doi: https://doi.org/10.1016/j.infrared.2004.06.002

2004

Theocharous, E., P., F. N. and Hawkins, G. J. (2004) Ageing effects in cryogenically-cooled infrared filter radiometers and their implications to the performance of space instrumentation. In: The 2004 Conference on Characterization and Radiometric Calibration for Remote Sensing, Space Dynamics Laboratory, Utah State University Research Foundation.

Wells, M., Hawkins, G. and Olofsson, G. (2004) The design and fabrication of multiple dichroic beamsplitters for the MIRI spectrometer (4.8-29um). In: Proc. SPIE.

Hawkins, G. and Hunneman, R. (2004) The temperature-dependent spectral properties of filter substrate materials in the far-infrared (6-40 mu m). Infrared Physics & Technology, 45 (1). pp. 69-79. ISSN 1350-4495 doi: https://doi.org/10.1016/s1350-4495(03)00180-4

2002

Hawkins, G., Hunneman, R., Sherwood, R. E. and Barrett, B. M. (2002) Interference filters and coatings for mid-infrared astronomy (8-30µm). In: AtadEttedgui, E. and Dodorico, S. (eds.) Specialized Optical Developments in Astronomy. Proceedings of the Society of Photo-Optical Instrumentation Engineers (Spie), 4842. Spie-Int Soc Optical Engineering, Bellingham, pp. 43-55. ISBN 0277786X0819446211

2000

Hawkins, G. and Hunneman, R. (2000) A spectral performance model for the High Resolution Dynamics Limb Sounder (6-18µm). Infrared Physics and Technology, 41 (4). pp. 239-246. ISSN 1350-4495 doi: https://doi.org/10.1016/S1350-4495(00)00039-6

Hawkins, G., Hunneman, R., Sherwood, R. and Barrett, B. (2000) Infrared filters and coatings for the High Resolution Dynamics Limb Sounder (6-18µm). Applied Optics, 39 (28). pp. 5221-5230. ISSN 0003-6935 doi: https://doi.org/10.1364/AO.39.005221

1998

Hunneman, R. and Hawkins, G. J. (1998) The manufacture and spectral assessment of the filters and antireflection coatings for use in the HIRDLS instrument. In: Strojnik, M. and Andresen, B. (eds.) Infrared Spaceborne Remote Sensing. Proceedings of SPIE, VI (3437). SPIE, pp. 378-390. ISBN 9780819428929 doi: https://doi.org/10.1117/12.331312

Hawkins, G. J., Hunneman, R., Gardner, M.T. and Babcock, G.T. (1998) An ultra-wide passband (5-30µm) filter for FTIR studies of Photosystem II. Infrared Physics and Technology, 39 (5). pp. 297-306. ISSN 1350-4495 doi: https://doi.org/10.1016/S1350-4495(98)00021-8

Hawkins, G. J., Hunneman, R., Barnett, J. and Whitney, J. (1998) Spectral design and verification of HIRDLS filters and antireflection coatings using an integrated system performance approach. In: Strojnik, M. and Andresen, B. (eds.) Infrared Spaceborne Remote Sensing. Proceedings of SPIE , 6 (3437). SPIE, pp. 102-112. ISBN 9780819428929 doi: https://doi.org/10.1117/12.331311

1996

Hunneman, R. and Hawkins, G. J. (1996) Infrared filters and dichroics for the advanced along track scanning radiometer. Applied Optics, 35 (28). pp. 5524-5528. ISSN 1559-128X doi: https://doi.org/10.1364/AO.35.005524

Hunneman, R. and Hawkins, G. J. (1996) Novel material combinations for enhanced infrared filter performance. In: Applied Optics and Optoelectronics Conference, 16-19 Sep 1996, Reading, UK, pp. 188-193.

1994

Hawkins, G. J., Hunneman, R. and Cole, C. (1994) Infrared filters for space-flight focal plane array applications. In: Abeles, F. (ed.) Optical Interference Coatings. SPIE Proceedings (2253). SPIE Press, Bellingham, WA, pp. 333-347. ISBN 9780819415622 doi: https://doi.org/10.1117/12.192103

Hawkins, G. J. and Hunneman, R. (1994) Design and fabrication of infrared filters for remote sounding instrumentation. In: Dewandre, T. M. , Schulte-in-den-Baeumen , J. J. and Sein, E. (eds.) Space Optics 1994: Space Instrumentation and Spacecraft Optics. SPIE Proceedings (2210). SPIE Press, Bellingham, WA, pp. 639-651. ISBN 9780819415141 doi: https://doi.org/10.1117/12.188124

Hunneman, R., Barnett, J. J. and Hawkins, G. J. (1994) High-performance infrared filters for the HIRDLS 21-channel focal plane detector array. In: Dewandre, T. M. , Schulte-in-den-Baeumen , J. J. and Sein, E. (eds.) Space Optics 1994: Space Instrumentation and Spacecraft Optics. SPIE Proceedings, 49 (2210). SPIE Press, Bellingham, WA, pp. 516-532. ISBN 9780819415141 doi: https://doi.org/10.1117/12.188110

1992

Zheng, A. M., Seeley, J. S., Hunneman, R. and Hawkins, G. J. (1992) Ultra narrow filters with good performance when tilted and cooled. Applied Optics, 31 (22). pp. 4336-4338. ISSN 2155-3165 doi: https://doi.org/10.1364/AO.31.004336

1991

Zheng, A. M., Seeley, J. S., Hunneman, R. and Hawkins, G. J. (1991) Design of narrowband filters in the infrared region. Infrared Physics and Technology, 31 (3). pp. 237-244. ISSN 1350-4495 doi: https://doi.org/10.1016/0020-0891(91)90053-I

Hawkins, G. J., Hunneman, R. and Seeley, J. S. (1991) Exposure to space radiation of high performance infrared multilayer filters and materials technology experiment. In: LDEF—69 Months in Space: Proceedings of the First Post-Retrieval Symposium, June 2-8, Kissimmee, Florida, pp. 1479-1492.

Hawkins, G. J., Hunneman, R. and Seeley, J. S. (1991) Space exposure of infrared filters and materials on the NASA Long Duration Exposure Facility (LDEF). In: Space Exposure of Infrared Filters and Materials on the NASA Long Duration Exposure Facility (LDEF). University of Reading. ISBN 9780704904095

1990

Seeley, J. S., Hunneman, R. and Hawkins, G. J. (1990) System performance in IR atmospheric radiometry. In: Herrmann, R. (ed.) Optical Thin Films and Applications. SPIE Proceedings (1270). SPIE Press, Bellingham, WA, pp. 244-249. ISBN 9780819403179 doi: https://doi.org/10.1117/12.20381

Zhang, K.Q., Hunneman, R., Seeley, J.S. and Hawkins, G. J. (1990) Optical and semi-conductor properties of Lead Telluride coatings. In: Tschudi, T. (ed.) Thin Films in Optics. Proceedings of SPIE (1125). SPIE, pp. 45-52. ISBN 9780819401618

Zhang, K. Q., Hunneman, R., Seeley, J. S. and Hawkins, G. J. (1990) Investigation of ultra wideband multi-channel dichroic beamsplitters from 0.3 to 52µm. Infrared Physics & Technology, 30 (1). pp. 45-53. ISSN 1350-4495 doi: https://doi.org/10.1016/0020-0891(90)90040-3

Hawkins, G. J., Hunneman, R. and Seeley, J. S. (1990) Preliminary results from the infrared multilayer filters and materials exposed to the space environment on the NASA LDEF mission. In: Lettington, A. H. (ed.) Infrared Technology and Applications. SPIE Proceedings (1320). SPIE Press, Bellingham, WA, pp. 407-419. ISBN 9780819403810 doi: https://doi.org/10.1117/12.22348

1988

Seeley, J.S., Hawkins, G. J. and Hunneman, R. (1988) Performance model for cooled IR filters. Journal of Physics D: Applied Physics, 21 (10S). S71-S74. doi: https://doi.org/10.1088/0022-3727/21/10S/020

Hawkins, G. J., Seeley, J.S. and Hunneman, R. (1988) Spectral characterisation of cooled filters for remote sensing. In: Elliot, C. (ed.) Recent developments in infrared components and subsystems. Proceedings of SPIE (915). SPIE, pp. 71-78. ISBN 9780892529506

1987

Hawkins, G. J., Hunneman, R. and Seeley, J.S. (1987) Design and disposition of infrared optical multilayer coatings for the Improved Stratospheric and Mesospheric Sounder (ISAMS). In: Bowyer, C.S. and Seeley, J.S. (eds.) Optoelectronic technologies for remote sensing from space. Proceedings of SPIE (868 ). SPIE. ISBN 9780892529032