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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
44-16 Optical
44.5.5.1 Equivalent Circuit
Like
th
e
GP
D
de
scription,
th
e
ex
pression
fo
r
th
e
eq
uivalent
ci
rcuit
of an SS
PM
co
ntains
a te
rm
fo
r
th
e
ga
in,
G, a
s
d
escribed
i
n
t
he
f
ollowing
e
quation:
I G I I G I
o db ds p
= + + (44.20)
where
I
db
is the bulk dark current
I
ds
is the surface dark current, which can include ohmic components
Notice
th
at
li
ke
th
e
AP
D,
th
e
ga
in
mi
nimizes
th
e
co
ntribution
of no
nbulk
le
akage
cu
rrent
. Un
like
th
e
GP
D,
ho
wever,
th
e
SS
PM
ca
n
ac
commodate
th
e
de
tection
of mu
ltiple
ph
oton
ev
ents
wh
en
th
e
ph
otons
ar
e
d
istributed
o
ver
t
he
a
rray
i
nto
d
istinct
G
PD
e
lements
.
44
.5.5.2
Qu
antum Efficiency
e
QE an
d
DE of an SS
PM
is sim
ilar ...
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Publisher Resources

ISBN: 9781439848913