Basic radiometry and SNR eq. for CCD, ICCD - UNIS

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RIOE ALIS made the first unambigous observation of high-latitude RIOE 1999-02-16 17:40:15 17:40:35 17:40:55 17:41:15 17:41:35 17:41:55 17:43:55 17:44:05 17:44:15 17:44:25 17:44:35 17:44:45 After [Brändström et al., 1999], GRL, 26. 4000 3000 2000 1000 0 4000 3000 2000 1000 0 <strong>UNIS</strong> 2011-11-15 – p. 97
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Basic radiometry and SNR equations
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This is about taking pictures of da
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Radiometry UNIS 2011-11-15 - p. 5
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Radiometry vs. photometry Holst [19
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Radiometry “Mathematics is often
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Photon flux: in energy units: Flux
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Spectral radiance Also known as spe
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Spectral irradiance Also known as s
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At apperture: Eγapp = Φγapp Aapp
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Photometric units scoptic—rods (K
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The foot-lambert A foot-lambert or
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The Rayleigh (1) Consider a cylindr
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The Rayleigh (3) In SI-units the Ra
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By now you should realized that. .
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. . . God said: Go to, let us go do
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and now. . . UNIS 2011-11-15 - p. 2
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The 4π confusion Therefore, we pro
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Can we agree on this? The apparent
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Still confused. . . . . . but at a
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Where are my photons? • Transmitt
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What is noise? UNIS 2011-11-15 - p.
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Notation 〈X〉 2 variance of X
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E2V TECH CCD201 UNIS 2011-11-15 - p
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CCD-noise sources UNIS 2011-11-15 -
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(20) (21) (22) 〈n e − s 〉 = =
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(23) (24) 〈n e − p 〉 = Patter
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Signal-to-noise ratio for a CCD •
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Signal-to-noise ratio for a CCD •
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Dynamic range (1) The Dynamic Range
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ICCD UNIS 2011-11-15 - p. 51
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SNR for a CCD • Measured signal-t
Page 67 and 68: SNR for a CCD • Measured signal-t
Page 69 and 70: SNR for an ICCD • The signal-to-n
Page 71 and 72: SNR for an emCCD The signal-to-nois
Page 73 and 74: SNR vs. of integration time SNR 100
Page 75 and 76: Where are my photons? • Transmitt
Page 77 and 78: Where are my photons? • Transmitt
Page 79 and 80: SNR: CCD, ICCD and emCCD SNR 1000 1
Page 81 and 82: SNR Fast: ≈ 2900 photons/pixel 10
Page 83 and 84: SNR Slow: ≈ 42 photons/pixel 100
Page 85 and 86: Intercalibration UNIS 2011-11-15 -
Page 87 and 88: The European Rayleigh UNIS 2011-11-
Page 89 and 90: Intercal. procedure • Calibrators
Page 91 and 92: 25 20 15 10 5 Intercal. workshops N
Page 93 and 94: and the FMI-sphere UNIS 2011-11-15
Page 95 and 96: [Rayleighs/Angstrom] 1000 100 10 1
Page 97 and 98: Calibration issues UNIS 2011-11-15
Page 99 and 100: Abs. calibration (ALIS) UNIS 2011-1
Page 101 and 102: ALIS UNIS 2011-11-15 - p. 81
Page 103 and 104: Spectroscopic imaging 4000 4500 500
Page 105 and 106: Scientific results and capabilities
Page 107 and 108: UNIS 2011-11-15 - p. 87
Page 109 and 110: electron energy 10 2 10 1 10 0 Auro
Page 111 and 112: UNIS 2011-11-15 - p. 90
Page 113 and 114: UNIS 2011-11-15 - p. 92
Page 115 and 116: UNIS 2011-11-15 - p. 94
Page 117: Radio-induced optical emissions UNI
Page 121 and 122: UNIS 2011-11-15 - p. 100
Page 123 and 124: A strange meteor trail 130 120 110
Page 125 and 126: Future plans and challenges UNIS 20
Page 127 and 128: We do not understand: • Creation
Page 133 and 134: ALIS 2010-2014 • Electrodynamics
Page 135 and 136: and now. . . UNIS 2011-11-15 - p. 1
Page 137 and 138: It’s The end! UNIS 2011-11-15 - p
Page 139 and 140: The end? Kiruna ASC 2007-02-05 17.3
Page 141 and 142: Enell, C.-F., Optical studies of po
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Basic radiometry and SNR eq. for CCD, ICCD - UNIS

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