High Gain InAs e-APDS with Excess Noise Factors Approaching a Solid State Photo-Multiplier

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Multispectral and hyperspectral imaging with QDIPs Night vision and surveillance Chemical/material

Multispectral and hyperspectral imaging with QDIPs

Night vision and surveillance
Chemical/material
identification
Atmospheric monitoring
Medical

imaging

www.ipac.caltech.edu

www.ipac.caltech.edu

© The University of Sheffield

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Why Algorithmic spectrometer? QDIPs are 2 terminal devices. Can be dynamically

Why Algorithmic spectrometer?

QDIPs are 2 terminal devices.
Can be dynamically configured

into

Multispectral : Full FPA

Future Intelligent
Sensors?

High resolution
multicolour FPA

No moving parts
No cooled optical filters needed

© The University of Sheffield

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Conclusion & Questions EEE team develop new theories,proof of concepts of

Conclusion & Questions

EEE team develop new theories,proof of concepts of novel

material and sensing techniques with typical conclusions such as
Low strain QDIPs with between 30 and 80 stacks have been grown, dark current results show no strain effects
QDIPs can be used with algorithmic spectrometer to image filters in the LWIR and MWIR regions – promising for material classification such as polyurethane e.t.c.
Is this enough or can we do more?

© The University of Sheffield