36
If you have an optical fiber and fiber adapter that can precisely center the beam at the center
of the IsoPlane focal plane, then that can be used as a guide when positioning the exit focal
plane. If the IsoPlane is equipped with a standard 3 mm manual entrance slit or optional
3 mm motorized entrance slit, you can also install the supplied 4 mm high slit baffle and use
the 4 mm high image as a guide when positioning the exit focal plane.
Refer to the following sections for information and procedures about the following focal
plane alignment adjustments:
•
Section 5.6.1, Vertical Alignment Procedure
•
Section 5.6.2, Horizontal Alignment Procedure
5.6.1 Vertical Alignment Procedure
When the vertical alignment is off-center, the preferred method of correcting the alignment
is
ALMOST ALWAYS
to adjust the vertical positioning of the image being input to the
system by translating the lens/fiber up or down. If adjusting the input image fails to correct
the vertical alignment, only then should mirror adjustments be attempted.
5.6.1.1
Mirror Adjustment Procedure
A mirror adjustment should be performed ONLY after attempts to correct vertical alignment
by adjusting the input image have failed.
CAUTION!
!
This procedure should
ONLY
be performed by personnel with
experience in aligning optical components and assemblies.
Vertical adjustments are achieved by incrementally adjusting the two vertical alignment
.
NOTE:
Depending on the date of manufacture of the IsoPlane unit, the
two vertical alignment adjustment screws MAY be located to the
left of the micrometer. See
.
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