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CEX
MOGlabs CEX User Manual
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2.3
T
emperature
7
0
20
40
60
80
100
120
140
0
20
40
60
80
10
0
120
140
16
0
18
0
2
00
Power
(
mW
)
In
jec
on
cu
rren
t
(mA)
Ba
re 150mW diode
780.243nm
Extracav
it
y
es
mate
Figure
2.1:
Sample
laser
diode
power-current
characteristic
curves,
with
and
without
an
external
cavity.
The
output
power
of
a
diode
with
an
anti-reflection
coating
is
typically
low.
The
steps
in
the
power
curve
are
caused
my
variation
in
the
frequency
of
the
e
xternal
cavity
relative
to
the
diode
intrinsic
cavity
mode,
and/or
to
the
filter
transmission
peak.
20
22
Table of Contents
Table of Contents
13
Introduction
15
External Cavity
16
Filter
17
Piezo-Electric Frequency Control
17
Temperature and Current
18
First Light
19
Standby/Run
19
Current
19
Temperature
20
Operation
23
Power
23
Wavelength
23
Mode-Hops
24
Scanning
26
Faraday Isolator
26
Faraday Isolator Alignment
27
Troubleshooting
31
Scanning Adjustment
31
BIAS Optimisation
32
Filter Adjustment
34
Threshold Optimisation
35
Fibre Coupling
38
Reverse Beam: Using a Visual Fault Locator
39
Mirror Adjustment
39
A Specifications
43
CEL Mechanical (Rev9+)
45
CEX/CEF Mechanical
46
B Laser Head Board
47
B1045/1046 Headboard
48
RF Coupling
48
B1047/B1240 Headboards
50
SMA Input
51
Headboard Connection to Controller
52
References
55
4
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MOGlabs CEX Specifications
General
Brand
MOGlabs
Model
CEX
Category
Measuring Instruments
Language
English
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