Lecture 10: Bolometers - Leiden Observatory
Lecture 10: Bolometers - Leiden Observatory
Lecture 10: Bolometers - Leiden Observatory
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SE =<br />
G = (T )HP<br />
Detection of Light: <strong>Lecture</strong> <strong>10</strong><br />
Different timescales<br />
...back to the electrical responsivity:<br />
(T )V<br />
G (T )PI<br />
=<br />
(T )V<br />
(T )HP (T )P =<br />
On the other hand, if α(T) is known G = α(T)HP permits the determination of the thermal conductance G from<br />
the load curve.<br />
⇥E =<br />
V (Z R)<br />
2RP<br />
...and the electrical time constant:<br />
C<br />
G (T )P<br />
= V<br />
2P<br />
T = C<br />
G<br />
= C<br />
G G<br />
H<br />
✓<br />
Z<br />
R 1<br />
◆<br />
= ⇥T<br />
1 1<br />
H<br />
V<br />
P (H 1) =<br />
= 1<br />
2I<br />
=<br />
✓<br />
Z<br />
R 1<br />
◆<br />
⇥T<br />
1 Z R<br />
Z+R<br />
P<br />
= ⇥T<br />
V<br />
⇣ Z+R<br />
Z R<br />
⌘<br />
Z + R<br />
2R<br />
1<br />
=