operating_instructions_from_finetech_beamsplitter_alignment.pdf - 第7页
View Results Refocus optics by changing z-height (focus on lines) Decid e which A- line, ove rlap s which B-line Is A up or down rel ative to B ? By how man y microns – s ee next 2 slides Y Y Y Y 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
?
??
?
Error in Y-Axis
√
√√
√
√
√√
√
√
√√
√
√
√√
√
√
√√
√
√
√√
√
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
X
XX
X
0
1
2
3
4
4 4
4
4
4 4
4 µm
scale A scale B