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4
Performance Tests
I n t r o d u c t i o n
The performance tests apply to all laser heads, except the 5517FL. These
tests are usually performed upon acceptance testing, first use, when a
problem is suspected in the laser head, and after repairs or tube and
power supply replacement. Performance tests include the laser beam
power output test and the split frequency test. A wavelength test can also
be performed, but is not covered in this manual (see
page 36).
R e c o m m e n d e d T e s t E q u i p m e n t
Table 9
equipment that satisfies the critical specifications given in the table may
be substituted for the recommended model(s).
Table 9
I n s t r u m e n t
D i g i t a l v o l t m e t e r A
L a s e r p o w e r
m e t e r
F r e q u e n c y
c o u n t e r
L a s e r h e a d
p o w e r s u p p l i e s
L a s e r h e a d
c a b l e
B N C c a b l e
L a s e r B r e a k o u t
B o x
* P = P e r f o r m a n c e T e s t s ; A = A d j u s t m e n t s
1
E q u i p m e n t h a v i n g e q u i v a l e n t c h a r a c t e r i s t i c s c a n b e s u b s t i t u t e d .
2
U s e w i t h 1 0 8 8 4 B o r 1 0 8 8 1 D w h e n u s i n g t h e E 3 6 1 5 A .
32
lists critical specifications for the required test equipment. Any
Recommended Test Equipment
U S E *
C r i t i c a l S p e c i f i c a t i o n s
D C V o l t s :
F l o a t i n g I n p u t s
I n p u t R e s i s t a n c e : > 1 0 M
R a n g e : 1 , 1 0 , 2 0 V o l t s D C
A c c u r a c y : 0 . 1 %
P
R a n g e : 1
A c c u r a c y : ± 1 0 %
P , A
F r e q u e n c y r a n g e :
A
+ 1 5 V a t 3 A
– 1 5 V a t 0 . 3 A
P
1 8 - p i n a n d 4 - p i n L E M O
Ω
P
5 0
P
D i f f e r e n t i a l I n p u t t o S i n g l e
O u t p u t
R e c o m m e n d e d E q u i p m e n t
A g i l e n t 3 4 4 0 1 A D i g i t a l M u l t i m e t e r
Ω
μ
W t o 1 m W
N e w p o r t P o w e r M e t e r 1 9 3 5 - C o r
e q u i v a l e n t
A g i l e n t 5 3 1 8 1 A c o n n e c t e d t o a
h o u s e s t a n d a r d .
t w o A g i l e n t E 3 6 1 5 A P o w e r
S u p p l i e s
1 0 8 8 1 A
8 1 2 0 - 1 8 4 0 o r e q u i v a l e n t
0 5 5 1 7 - 6 0 0 3 3
Agilent 5517B/BL/C/D/DL/FL User's Guide
"Wavelength test"
on
1
2
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