Visible-band nanosecond pulsed laser damage thresholds of silicon 2D imaging array

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dc.contributor.authorWestgate, Christopher
dc.contributor.authorJames, David
dc.date.accessioned2022-04-07T09:50:18Z
dc.date.available2022-04-07T09:50:18Z
dc.date.issued2022-03-25
dc.description.abstractLaser-induced camera damage thresholds were measured for several sensors of three different sensor architectures using a Q-switched Nd:YAG laser in order to determine their pulsed laser-induced damage thresholds. Charge coupled device (CCD), front-side illuminated complimentary metal-oxide semiconductor (FSI CMOS), and back-side illuminated (BSI) CMOS sensors were assessed under laboratory and outdoor environments by increasing the focused laser intensity onto the sensors and recording the sensor output. The damage sites were classified qualitatively into damage types, and pixel counting methods were applied to quantitatively plot damage scale against laser intensity. Probit-fits were applied to find the intensity values where a 95% probability of damage would occur (FD95) and showed that FD95 was approximately the same under laboratory conditions for CCD, FSI CMOS, and BSI CMOS sensors (mean 532 nm FD95 of 0.077 ± 0.01 Jcm−2). BSI CMOS sensors were the most robust to large-scale damage effects—BSI sensor kill was found at approximately 103 Jcm−2, compared to 10 Jcm−2 for FSI CMOS, and between ~1.6 and 2.7 Jcm−2 for CCDs.en_UK
dc.identifier.citationWestgate C, James D. (2022) Visible-band nanosecond pulsed laser damage thresholds of silicon 2D imaging array. Sensors, Volume 22, Issue 7, March 2022, Article number 2526en_UK
dc.identifier.issn1424-8220
dc.identifier.urihttps://doi.org/10.3390/s22072526
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/17750
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectpulsed laseren_UK
dc.subjectdamage thresholden_UK
dc.subjectsilicon cameraen_UK
dc.subjectCCDen_UK
dc.subjectCMOSen_UK
dc.titleVisible-band nanosecond pulsed laser damage thresholds of silicon 2D imaging arrayen_UK
dc.typeArticleen_UK

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