
G
G
Backdating
Initial
Safety
Information
for
the
Tunable
Laser
Source
The
8168F
is
in
a
higher
Laser
Class
(IIIb)
than
the
8167A
and
the
8168D
and
E
(all
Class
1).
Earlier
models
This
manual
can
be
also
used
for
earlier
tunable
laser
sources
,
that
is
,
for
HP
8167A
models
with
serial
number
prexes
lower
than
3424G,
and
for
all
versions
of
the
HP
8168A.
However
,
these
earlier
models
have
the
following
features:
Only
internal
modulation
is
possible
.
The
[:SOURce ]:AM:SOURce
command
and
the
[:SOURce ]:AM:SOURce?
query
are
not
available
.
The
CohCtrl
Uncal
bit
(Bit
7)
in
the
questionable
branch
of
the
status
registers
is
not
used.
Option
007,
the
P
olarization
Maintaining
Fiber
is
available
.
Backdating
G-1
Summary of Contents for 8167A
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Page 164: ...D Figure D 1 Test Setup for the Wavelength Tests D 4 Performance Tests ...
Page 177: ...D Figure D 5 Test Setup for the Source Spontaneous Emission Test Performance Tests D 17 ...
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