operating_instructions_from_finetech_beamsplitter_alignment.pdf - 第6页
(Almost) Perfect Alignment #1A aligned to #1B #11 A aligned to #20B .. all others m isaligned Y Y Y Y X X X X #1A aligned to #1B #11 A aligned to #20B .. all others m isaligned
Place the verniers
Align the outer lines of
scales in both x and y
axes.
Ensure that line #6 of A is
between lines 10 & 11 of B.
If not repeat
When finished, only
outside lines of both scales
should directly overlap
(they are same distance
apart 200 µm)
Lower arm
Lower arm Lower arm
Lower arm -
--
-place A on B
place A on Bplace A on B
place A on B
Be careful of vacuum
procedure – don’t release
head vacuum until well
positioned
A
B
(Almost) Perfect Alignment
#1A aligned to #1B
#11 A aligned to #20B
.. all others misaligned
Y
YY
Y
X
XX
X
#1A aligned to #1B #11 A aligned to #20B
.. all others misaligned
View Results
Refocus optics by changing z-height (focus on lines)
Decide which A-line, overlaps which B-line
Is A up or down relative to B ?
By how many microns – see next 2 slides
Y
YY
Y
A
B
?
??
?