Lecture 10: Bolometers - Leiden Observatory

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Responsivity compared to photodetectors Photoconductor Sphotoconductor = ⇥qG hc Photodiode Sphotodiode = ⇥q hc Bolometer Sbolometer = 2I The bolometer responsivity is independent of the wavelength (assuming QE is independent of ) Detection of Light: Lecture 10 ✓ Z R 1 ◆ ⌘
Two sources of Bolometer Heating T0 Detection of Light: Lecture 11 Incoming photon flux produces AND Electrical heating from the current sensing in the thermometer PV (t) PI PI = I 2 (Remember that ⇥ R(T ) in the thermometer)
Page 1 and 2: Detection of Light: Lecture 10 Dete
Page 3 and 4: Three Basic Types of Detectors •
Page 5 and 6: A milestone in the history of bolom
Page 7 and 8: Detection of Light: Lecture 10 Stat
Page 9 and 10: Basic Operation of a Bolometer T0 W
Page 11 and 12: Steady State Operation of a Bolomet
Page 13 and 14: Bolometer Thermal Time constant The
Page 15 and 16: Temperature Coefficient of Resistan
Page 17 and 18: R vs T for intrinsic semiconductor
Page 19 and 20: Detection of Light: Lecture 10 Appr
Page 21 and 22: Detection of Light: Lecture 10 Elec
Page 23 and 24: etermining responsivity at V0 The r
Page 25: Detector responsivity from electric
Page 29 and 30: Detection of Light: Lecture 10 Nois

Lecture 10: Bolometers - Leiden Observatory

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