Dr. Angela M. Piegari Profile

Dr. Angela M. Piegari

Senior Researcher at ENEA

SPIE Involvement:

Conference Program Committee | Author

Area of Expertise:

optical coatings

Websites:

Company Website

Publications (37)

Proceedings Article | 12 July 2019 Open Access

Wavefront control in the design of narrow-and broad-band optical coatings

Angela Piegari, Anna Sytchkova, Matteo Taccola

Proceedings Volume 11180, 111804J (2019) https://doi.org/10.1117/12.2536082

KEYWORDS: Wavefronts, Optical coatings, Mirrors, Reflectivity, Wavefront distortions, Telescopes, Modulation transfer functions, Transmittance, Optical components, Phase shifts

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Proceedings Article | 8 July 2019 Paper

Subwavelength periodic nanostructures fabricated by femtosecond laser in metal, dielectric and metal-dielectric-metal coating

Kaixin Zhang, Jianda Shao, Guohang Hu, Maria Luisa Grilli, Angela Piegari, Zhen Cao, Hongbo He, Yuanan Zhao, Anna Sytchkova

Proceedings Volume 11064, 110640F (2019) https://doi.org/10.1117/12.2540704

KEYWORDS: Laser ablation, Femtosecond phenomena, Metals, Nanolithography, Coating, Dielectrics, Fabrication, Gold, Nanostructures, Scanning electron microscopy

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Proceedings Article | 5 June 2018 Paper

Optical characterisation of silver mirrors protected with transparent overcoats

A. Sytchkova, S. Schwinde, M. L. Protopapa, M. Palmisano, A. Piegari, M. Schürmann, N. Kaiser

Proceedings Volume 10691, 106910N (2018) https://doi.org/10.1117/12.2312077

KEYWORDS: Silver, Mirrors, Optical coatings, Dielectrics, Data modeling, Oxides, Refractive index, Sputter deposition

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Proceedings Article | 11 January 2018 Open Access

Ultra compact spectrometer using linear variable filters

M. Dami, R. De Vidi, G. Aroldi, F. Belli, L. Chicarella, A. Piegari, A. Sytchkova, J. Bulir, F. Lemarquis, M. Lequime, L. Abel Tibérini, B. Harnisch

Proceedings Volume 10565, 1056559 (2018) https://doi.org/10.1117/12.2309265

KEYWORDS: Spectroscopy, Optical filters, Linear filtering, Fermium, Frequency modulation, Gallium arsenide, Silver

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Proceedings Article | 21 November 2017 Open Access

Variable optical filters for earth-observation imaging minispectrometers

A. Piegari, J. Bulir, A. Krasilnikova, M. Dami, B. Harnisch

Proceedings Volume 10567, 105672Q (2017) https://doi.org/10.1117/12.2308083

KEYWORDS: Optical filters, Silver, Coating, Sensors, Tantalum, Charge-coupled devices, Image filtering, Dielectrics, Refractive index, Linear filtering

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Proceedings Article | 20 November 2017 Open Access

Narrow-band filters for the lightning imager

Angela Piegari, Ilaria Di Sarcina, Maria Luisa Grilli, Francesca Menchini, Salvatore Scaglione, Anna Sytchkova, Danilo Zola, Leticia Cuevas

Proceedings Volume 10564, 1056429 (2017) https://doi.org/10.1117/12.2309059

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Proceedings Article | 20 November 2017 Open Access

Effects of proton irradiation on thin-film materials for optical filters

Salvatore Scaglione, Angela Piegari, Anna Sytchkova, Milko Jakšić

Proceedings Volume 10564, 105642A (2017) https://doi.org/10.1117/12.2309132

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Proceedings Article | 25 September 2017 Open Access

Phase distortion and thickness variation in the design of optical coatings

Angela Piegari, Anna Sytchkova

Proceedings Volume 10562, 105621H (2017) https://doi.org/10.1117/12.2296228

KEYWORDS: Coating, Distortion, Optical coatings, Phase shifts, Beam splitters, Reflection, Optical design, Transmittance, Wavefronts, Reflectivity

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Proceedings Article | 23 September 2015 Paper

Prototyping fishnet metamaterials: alumina-silver-based structures

A. Sytchkova, D. De Felicis, M. L. Grilli, A. Rinaldi, D. Zola, A. Piegari, E. Bemporad, G. Hu, H. He, Y. Kui, J. Shao

Proceedings Volume 9627, 96271J (2015) https://doi.org/10.1117/12.2191327

KEYWORDS: Metamaterials, Polymers, Refractive index, Optical filters, Polymethylmethacrylate, Sputter deposition, Silver, Coating, Dielectrics, Prototyping

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Proceedings Article | 4 October 2011 Paper

Interface plasmonic properties of silver coated by ultrathin metal oxides

A. Sytchkova, D. Zola, M. L. Grilli, A. Piegari, M. Fang, H. He, J. Shao

Proceedings Volume 8168, 81681V (2011) https://doi.org/10.1117/12.896769

KEYWORDS: Silver, Interfaces, Oxides, Metals, Silica, Data modeling, Refractive index, Reflectivity, Plasmonics, Spectroscopy

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Proceedings Article | 4 October 2011 Paper

Optical performance of narrow-band transmittance filters under low-and high-energy proton irradiation

A. Piegari, I. Di Sarcina, M. L. Grilli, F. Menchini, S. Scaglione, A. Sytchkova

Proceedings Volume 8168, 816814 (2011) https://doi.org/10.1117/12.896517

KEYWORDS: Coating, Transmittance, Optical filters, Monte Carlo methods, Ions, Oxygen, Chemical species, Silica, Computer simulations, Multilayers

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Proceedings Article | 1 October 2011 Paper

Compact imaging spectrometer with visible-infrared variable filters for Earth and planet observation

A. Piegari, A. Sytchkova, J. Bulir, M. Dami, G. Aroldi, B. Harnisch

Proceedings Volume 8172, 81721B (2011) https://doi.org/10.1117/12.897433

KEYWORDS: Optical filters, Spectroscopy, Sensors, Linear filtering, Image filtering, Charge-coupled devices, Head, Manufacturing, Transmittance, Planets

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Proceedings Article | 6 June 2011 Paper

Small-dimension portable instrument for in-situ multispectral imaging

A. Piegari, A. Sytchkova, A. Della Patria, F. Fermi, C. Oleari

Proceedings Volume 8084, 80840O (2011) https://doi.org/10.1117/12.888123

KEYWORDS: Image filtering, Optical filters, Cameras, Image sensors, Objectives, Sensors, Relays, Reflectivity, Spectroscopy, Scanners

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Proceedings Article | 25 September 2008 Paper

AZO films prepared by r.f. magnetron sputtering: structural, electrical, and optical properties

Maria Luisa Grilli, Anna Krasilnikova Sytchkova, Sylvia Boycheva, Angela Piegari

Proceedings Volume 7101, 71011Q (2008) https://doi.org/10.1117/12.797665

KEYWORDS: Transmittance, Near infrared, Argon, Protactinium, Sputter deposition, Zinc oxide, Reflectivity, Optical properties, Refractive index, Radio optics

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Proceedings Article | 25 September 2008 Paper

Thin-film filters for a high resolution miniaturized spectrometer

Angela Piegari, Anna Sytchkova, Jiri Bulir, Bernd Harnisch, Andreas Wuttig

Proceedings Volume 7101, 710113 (2008) https://doi.org/10.1117/12.797286

KEYWORDS: Nonlinear filtering, Optical filters, Spectroscopy, Linear filtering, Bandpass filters, Transmittance, Spectral resolution, Thin films, Ultraviolet radiation, Silica

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Proceedings Article | 23 July 2008 Paper

Visible and near-infrared filters for miniaturized spectrometers

Angela Piegari, Anna Sytchkova, Ilaria Di Sarcina, Jiri Bulir

Proceedings Volume 7018, 701855 (2008) https://doi.org/10.1117/12.789189

KEYWORDS: Optical filters, Transmittance, Sensors, Coating, Cryogenics, Spectrometers, CCD image sensors, Temperature metrology, Charge-coupled devices, Telescopes

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Proceedings Article | 1 August 2007 Paper

Thin-film graded optical filters for mini-spectrometers

A. Piegari, J. Bulir, A. Krasilnikova Sytchkova

Proceedings Volume 6785, 67851S (2007) https://doi.org/10.1117/12.756739

KEYWORDS: Optical filters, Coating, Silver, Dielectric filters, Sensors, Transmittance, Thin films, Metals, Dielectrics, Linear filtering

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Proceedings Article | 16 July 2007 Paper

Color appearance of painted artworks through protective glass

A. Farini, R. Arrighi, C. Gheri, M. L. Grilli, Anna Krasilnikova Sytchkova, A. Piegari

Proceedings Volume 6618, 66180T (2007) https://doi.org/10.1117/12.725871

KEYWORDS: Glasses, Coating, Reflectivity, Transmittance, Ultraviolet radiation, Reflection, Infrared radiation, Visible radiation, Colorimetry, Antireflective coatings

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Proceedings Article | 20 October 2005 Paper

Spatially resolved spectroscopy for non-uniform thin film coatings: comparison of two dedicated set-ups

A. Krasilnikova, A. Piegari, M. Dami, L. Abel-Tiberini, F. Lemarquis, M. Lequime

Proceedings Volume 5965, 59651V (2005) https://doi.org/10.1117/12.625183

KEYWORDS: Transmittance, Optical coatings, Thin film coatings, Charge-coupled devices, Spatial resolution, Spectral resolution, CCD cameras, Optical filters, Spectrophotometry, Reflectivity

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Proceedings Article | 20 October 2005 Paper

Spectral characterisation of scattering losses in r. f. sputtered oxide coatings

M. Grilli, A. Krasilnikova, F. Menchini, A. Piegari

Proceedings Volume 5965, 59651U (2005) https://doi.org/10.1117/12.625159

KEYWORDS: Scattering, Refractive index, Hybrid fiber optics, Optical coatings, Scatter measurement, Laser scattering, Aluminum, Oxides, Absorption, Silica

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Proceedings Article | 5 October 2005 Paper

Deposition of robust multilayer mirror coatings for storage ring FEL lasing at 176nm

St. Günster, D. Ristau, M. Trovó, M. Danailov, A. Gatto, N. Kaiser, F. Sarto, A. Piegari

Proceedings Volume 5963, 59632A (2005) https://doi.org/10.1117/12.625384

KEYWORDS: Mirrors, Free electron lasers, Reflectivity, Optical coatings, Oxides, Vacuum ultraviolet, Multilayers, Resistance, Transmittance, Sputter deposition

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Proceedings Article | 5 October 2005 Paper

Optical coatings for artwork preservation and enhanced viewing

A. Piegari, R. Arrighi, I. Di Sarcina, A. Farini

Proceedings Volume 5963, 596309 (2005) https://doi.org/10.1117/12.624644

KEYWORDS: Glasses, Coating, Transmittance, Reflectivity, Optical coatings, Thin films, Ultraviolet radiation, Colorimetry, Infrared radiation, Visible radiation

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Proceedings Article | 12 August 2005 Paper

Optical coatings on glass for preserving artworks from illumination induced damage: design and testing

A. Farini, R. Arrighi, I. Di Sarcina, A. Piegari

Proceedings Volume 5857, 58570S (2005) https://doi.org/10.1117/12.612095

KEYWORDS: Glasses, Coating, Transmittance, Optical coatings, Reflectivity, Reflection, Visible radiation, Ultraviolet radiation, Infrared radiation, Multilayers

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Proceedings Article | 21 October 2004 Paper

Optical coatings for ultraviolet laser sources: a review of required optical performance

Angela Piegari

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.583061

KEYWORDS: Mirrors, Reflectivity, Ultraviolet radiation, Free electron lasers, Optical coatings, Laser sources, Solid state lasers, Excimer lasers, Transmittance, Synchrotron radiation

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Proceedings Article | 24 September 2004 Paper

Optical coating behavior under y irradiation for space applications

Stefania Baccaro, Angelica Cecilia, Ilaria Di Sarcina, Angela Piegari

Proceedings Volume 5494, (2004) https://doi.org/10.1117/12.553602

KEYWORDS: Optical coatings, Silver, Mirrors, Reflectivity, Transmittance, Oxides, Aluminum, Antireflective coatings, Glasses, Metals

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Proceedings Article | 25 February 2004 Paper

Metal-dielectric coatings for variable transmission filters with wide rejection bands

Angela Piegari, Vesna Janicki

Proceedings Volume 5250, (2004) https://doi.org/10.1117/12.513402

KEYWORDS: Optical filters, Silver, Metals, Dielectric filters, Dielectrics, Linear filtering, Thin film coatings, Optical coatings, Transmittance, Oxides

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Proceedings Article | 25 February 2004 Paper

Laser-induced damage measurements on phase-unifying mirrors for XeF excimer laser cavities

Maria Lucia Protopapa, Maria Rita Perrone, Angela Piegari, Bernard Andre, Guillaume Ravel

Proceedings Volume 5250, (2004) https://doi.org/10.1117/12.515415

KEYWORDS: Mirrors, Reflectivity, Coating, Laser damage threshold, Laser induced damage, Excimer lasers, Interfaces, Resistance, Hybrid fiber optics, Multilayers

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Proceedings Article | 19 November 2003 Paper

High power XeF laser with a phase-unifying unstable cavity

Praveen Aghamkar, Bernard Andre, Ferdinando De Tomasi, Maria Perrone, Angela Piegari, Maria Lucia Protopapa, Guillaume Ravel

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.527114

KEYWORDS: Mirrors, Output couplers, Reflectivity, High power lasers, Laser resonators, Coating, Diffraction, Quartz, Oxides, Resonators

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Proceedings Article | 19 November 2003 Paper

Wideband optical coatings for artwork protection from ultraviolet and infrared radiation damage

Angela Piegari, Pietro Polato

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.524888

KEYWORDS: Glasses, Infrared radiation, Ultraviolet radiation, Visible radiation, Optical coatings, Reflectivity, Transmittance, Light sources and illumination, Reflection, UV optics

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Proceedings Article | 29 June 2001 Paper

Laser damage resistance of thin films for ultraviolet optical components

Angela Piegari, Maria Perrone, Maria Protopapa

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432820

KEYWORDS: Laser damage threshold, Laser induced damage, Mirrors, Reflectivity, Optical coatings, Ion beams, Magnesium fluoride, Silica, Thin films, Absorption

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Proceedings Article | 19 October 2000 Paper

Ultraviolet, visible, and infrared performance of coated glass for museums

Angela Piegari

Proceedings Volume 4094, (2000) https://doi.org/10.1117/12.404750

KEYWORDS: Glasses, Ultraviolet radiation, Visible radiation, Transmittance, Coating, Light sources and illumination, Infrared radiation, Near infrared, Lamps, Reflectivity

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Proceedings Article | 3 March 2000 Paper

Laser damage threshold of MgF2 thin films by photoacoustic beam deflection

Maria Protopapa, Maria Perrone, Angela Piegari, Enrico Masetti, Detlev Ristau, Etienne Quesnel, Angela Duparre

Proceedings Volume 3902, (2000) https://doi.org/10.1117/12.379303

KEYWORDS: Laser damage threshold, Magnesium fluoride, Photoacoustic spectroscopy, Laser induced damage, Refractive index, Calcium, Thin films, Silica, Ultraviolet radiation, Surface roughness

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Proceedings Article | 19 August 1996 Paper

Laser optical coatings with different reflectance profiles

Angela Piegari, Salvatore Scaglione, Gabriele Emiliani

Proceedings Volume 2776, (1996) https://doi.org/10.1117/12.246842

KEYWORDS: Reflectivity, Optical coatings, Laser resonators, Transmittance, Optical components, Thin film coatings, Laser optics, Thin films, Output couplers, Laser applications

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Proceedings Article | 8 March 1995 Paper

Graded optical coatings for laser applications

Angela Piegari

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203512

KEYWORDS: Mirrors, Reflectivity, Optical coatings, Resonators, Carbon dioxide lasers, Excimer lasers, Laser resonators, Nd:YAG lasers, Optical components, Diffraction

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Proceedings Article | 4 November 1994 Paper

Thin film design program based on the flip-flop method with a random search

Angela Piegari, Gabriele Emiliani

Proceedings Volume 2253, (1994) https://doi.org/10.1117/12.192047

KEYWORDS: Coating, Antireflective coatings, Refractive index, Optical coating design, Tolerancing, Fermium, Frequency modulation, Transmittance, Optical design, Optical coatings

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