Lecture 8 CCD and CMOS arrays Spr2010

Lecture 8 CCD and CMOS arrays Spr2010 - Photodiode CMOS and...

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Spring 2010 Mat 288S Optoelectronic Measurements 1 Photodiode, CMOS and CCD Arrays Cooling CCD vs. CMOS vs. PD QE, sensitivity Read noise EM-CCD
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TE-Cooled Silicon Photodiodes Spring 2010 Mat 288S Optoelectronic Measurements 2 NEP @ -10 ºC = 1.3E-14 W-Hz -1/2
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TE Cooled InGaAs Detectors Spring 2010 Mat 288S Optoelectronic Measurements 3 NEP vs. Temperature
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Imaging Families Spring 2010 Mat 288S Optoelectronic Measurements 4 Photodiode array Si, InGaAs, HgCdTE Fast, high noise floor CMOS array Si only Fast, moderate noise floor Cheap CCD Si only Slow, very low noise ~$10K
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Spring 2010 Mat 288S Optoelectronic Measurements 5 Photodiode vs. CCD Array
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2D InGaAs PDA Spring 2010 Mat 288S Optoelectronic Measurements 6 3E3 e-/sec/pixel
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CMOS vs CCD Spring 2010 Mat 288S Optoelectronic Measurements 7 CMOS Amplifier at each pixel Low fill factor High noise from digital circuitry CCD Single amplifier at end High fill factor Lower noise from circuitry
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Lecture 8 CCD and CMOS arrays Spr2010 - Photodiode CMOS and...

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