Prof. Giacomo Langfelder Profile

Prof. Giacomo Langfelder

at Politecnico di Milano

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 2 March 2022 Presentation + Paper

Fully integrated system-in-package device for drive, sense, and control of MEMS µmirrors for Raster scan projection

A. Barbieri, M. Zamprogno, L. Molinari, G. Maiocchi, S. Zezza, M. Zerbini, P. Flora, P. Frigerio, G. Langfelder

Proceedings Volume 12013, 1201308 (2022) https://doi.org/10.1117/12.2610157

KEYWORDS: Mirrors, Wheatstone bridges, Micromirrors, Microelectromechanical systems, Capacitors, Control systems, Amplifiers, Signal processing, Bridges, Raster graphics

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Proceedings Article | 5 March 2021 Poster + Presentation + Paper

Modeling and experimental verification of the impact of noise sources on projection accuracy of MEMS linear micromirrors for raster scanning applications

Paolo Frigerio, Andrea Barbieri, Marco Zamprogno, Giacomo Langfelder

Proceedings Volume 11697, 1169716 (2021) https://doi.org/10.1117/12.2577206

KEYWORDS: Raster graphics, Micromirrors, Microelectromechanical systems, Distortion, Systems modeling, Digital electronics, Analog electronics

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Proceedings Article | 5 March 2021 Presentation + Paper

A novel closed-loop architecture for accurate micromirror trajectory control in linear scanning MEMS-based projectors

Paolo Frigerio, Riccardo Tarsi, Luca Molinari, Giuseppe Maiocchi, Andrea Barbieri, Giacomo Langfelder

Proceedings Volume 11697, 1169706 (2021) https://doi.org/10.1117/12.2577186

KEYWORDS: Micromirrors, Projection systems, Mirrors, Position sensors, Raster graphics, Control systems design, Analog electronics, Nulling interferometry, Image quality, Device simulation

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Proceedings Article | 7 March 2014 Paper

Analysis of a 64x64 matrix of direct color sensors based on spectrally tunable pixels

A. Caspani, G. Langfelder, A. Longoni, E. Linari, V. Tommolini

Proceedings Volume 9023, 90230O (2014) https://doi.org/10.1117/12.2041246

KEYWORDS: Sensors, Cameras, Optical filters, Calibration, Silicon, CMOS sensors, Transparency, Optical amplifiers, Transmittance, Integrating spheres

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Proceedings Article | 4 February 2013 Paper

Spectrally tunable pixel sensors

G. Langfelder, C. Buffa, A. Longoni, F. Zaraga

Proceedings Volume 8660, 86600A (2013) https://doi.org/10.1117/12.2006181

KEYWORDS: Sensors, Electronics, Matrices, Optical filters, Digital imaging, Image sensors, Calibration, Cadmium sulfide, Detector development, Space sensors

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Proceedings Article | 24 January 2012 Paper

Active pixels of transverse field detector based on a charge preamplifier

G. Langfelder, C. Buffa, A. F. Longoni, A. Pelamatti, F. Zaraga

Proceedings Volume 8299, 829906 (2012) https://doi.org/10.1117/12.910115

KEYWORDS: Capacitance, Transistors, Sensors, Electronics, Silicon, Optical filters, CMOS technology, CMOS sensors, Photodiodes, Standards development

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Proceedings Article | 31 January 2011 Paper

A device and an algorithm for the separation of visible and near infrared signals in a monolithic silicon sensor

G. Langfelder, T. Malzbender, A. Longoni, F. Zaraga

Proceedings Volume 7882, 788207 (2011) https://doi.org/10.1117/12.874896

KEYWORDS: Near infrared, Visible radiation, Sensors, Infrared radiation, Infrared imaging, Silicon, Infrared sensors, Optical filters, Absorption, Infrared cameras

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Proceedings Article | 24 January 2011 Paper

Implementation of a multispectral color imaging device without color filter array

G. Langfelder, A. Longoni, F. Zaraga

Proceedings Volume 7876, 787608 (2011) https://doi.org/10.1117/12.872871

KEYWORDS: Reflectivity, Optical filters, Multispectral imaging, Cameras, Color imaging, Principal component analysis, Error analysis, Imaging devices, Silicon, RGB color model

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SPIE Journal Paper | 1 July 2010

Implementation of an interleaved image sensor by means of the filterless transverse field detector

Federico Zaraga, Giacomo Langfelder, Antonio Longoni

JEI, Vol. 19, Issue 3, 033013, (July 2010) https://doi.org/10.1117/12.10.1117/1.3483905

KEYWORDS: Sensors, RGB color model, Optical filters, Image sensors, Image filtering, Electrodes, Light sources and illumination, CMOS sensors, Signal detection, Image acquisition

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