Silvano Donati
|
Interferometry |
Noise in Devices and in Photodetection |
Optical Amplifiers |
|
Passive Fiberoptic Components |
Optical Chaos and Cryptography |
Optical Fiber Sensors |
activity briefing and summary
2013-2021 Developments of new self-mix applications - measurements of thickness, flow, angle, displacement and OCY – and of new configurations – FM to AM converted signal – and of new measurements of noise limits
2011-2013 Study of the feedback regimes in diode lasers 2008-10 Solid state 3-D and single-photon detectors
2006-09 Microoptics concentrators for the recovery of the fill-factor in image detectors
2002-05 Development of Self-mixing interferometers: sub-nm vibrometers and diffuse-target displacement measurements with bright speckle tracking, two preproduction instruments developed; multipoint vibrometer developed
1998-01
Novel gyroscopes for automotive and robotics: the integrated RLG in GaAlAs and
the optical readout MEMS gyroscope
1995-01 Coupling in semiconductor
laser: study of synchronizaton and chaos. Proposal of
new schemes of chaotic cryptography
1996-97 New theory of
photodetection and optical amplifier noise based
on a 2nd-quantization beam splitter model
1994-96 Promoting the start-up of
a spin-off company producing high-performance fused
couplers (Teles, Milano)
1994-99 Development of a
semiconductor-laser injection interferometer
and vibrometer based on the moderate
feedback-level
1992-93 Development of an
all-fiber optical isolator for second window
(released to SIRTI, Milano)
1991-92 Development of an
all-fiber magnetic field sensor with birefringence-matched multiturn coil (CNR
MADESS)
1990-92 Development of a 2 Gb/s
optical interconnect (in cooperation with Siemens)
1990-91 Programme for the
satellite attitude control with FOGs, for the Italian Space Agency (Roma)
1988-89
Development of a thick-film inclinometer
(in cooperation with Magneti Marelli)
1986-88 Development of optical
isolators (in cooperation with Face Standard, Roma)
1985-91 Development and
fabrication of an optoelectronic, diffuse radiation, infrared link for bidirectional interconnection (released to
Ist. Farm. Mario Negri, Milano)
1985-87 Development of lapped fiberoptic couplers (in cooperation with Italtel)
1984-85 Development of a prototype FOG, open loop, 1°/h, released to ELSAG
(Genova) for production
1982-85 Design leader for the
CNR-IKI (Moscow) star sensor programme in the
gamma-ray telescope mission
1982-84 One of the first all-fiber current sensor (0.5 A noise, 1000 A
dynamic range)
1982-90 High resolution UV-VIS
spectrophometers developed for C. Erba Strumentazione (MI), high resolution (m-dB) spectrophometer
for attenuation measurements in optical fibers
1982-83 All fiber polarizing
components by bend and twist
1980-81 Early
fiberoptic gyro (10°/h) with dual mode He-Ne and 100 m first window fiber
1975-76 First He-Ne injection
laser interferometer capable of nm resolution and 20 m range
1975-76 Theory of the CCD MTF and
noise for imaging applications
1973-75 First speckle pattern
strain interferometer on image size 50x50 cm
1972-73 New theory of the
avalanche photodiode frequency response and noise
1969-71 First two-frequency
Q-switched laser telemeter (100 km range)
1968-72 Gated vision through fog
and haze: theoretical study and realization of a 10W (average) GaAs illuminator
(50 ns pulses) and a 4-stage gated-image intensifier
1966-71 New theory of the photomultiplier
noise analyzed by time-dependent branching processes
- other topics covered in the Optoelectronics Group web
