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PGS
Single mode Single Window Couplers
Telecommunications
CATV
Subscriber loop
Fiber-To-The-Home
Local Area Network (LAN)
Test equipments
Taps for signal monitoring
Coupling ratio 1%~50%
Low insertion loss
Low PDL
Excellent uniformity
High directivity
Bi-directional
Environmentally stable and reliable
Package Option :
1.
Stainless Steel Tube: 3mm(Dia.) x 54mm(L). (Smaller steel tube is also available upon request.)
2.
Standard Ruggedized Case: 100mm(L) x 12mm(W) x 10mm(H).
Example:
Environmental Reliability Tests
Cable Retention Test
0.45kg for bare fiber
Side Pull Test
0.25kg for bare fiber
Water Immersion Test
43℃, pH 5.5, 7 days
Mechanical Shock Test
1.8meters high, 8drops*3axes
High Temperature Storage Test
85℃ for 2000hrs
Variable Frequency Vibration Test
20G, 20~2000Hz, 3axes
Low Temperature Storage Test
-40℃ for 2000hrs
Temperature Cycling Test
-40℃~85℃ for 500cycles
Central Wavelength (nm)
1310 or 1550
Bandwidth (nm)
+/-10
+/-40
Grade
Premium
Premium
Insertion Loss (dB) , Max.
3.3
3.4
Excess Loss (dB), Typ.
0.1
0.1
PDL (dB), Max.
0.1
0.1
Uniformity (dB), Max.
-
0.6
Directivity (dB), Min.
50
Temp. Coef. (dB/℃), Max.
0.002
Operating Temperature (℃)
-40 ~ +85 *
Storage Temperature (℃)
-40 ~ +85 *
*
-20 ~ +70℃ for 3mm cable package.
**
Specifications are subject to change without notice.
***
Listed above is only for typical products, custom design is also available.
Bandwidth (nm)
+/-10
+/-40
Grade
Premium
Premium
Coupling Ratio
Insertion Loss (dB)
50/50
3.3/3.3
3.4/3.4
45/55
3.8/2.9
3.9/3.0
40/60
4.3/2.5
4.4/2.6
35/65
4.9/2.1
5.0/2.2
30/70
5.6/1.8
5.6/1.8
25/75
6.4/1.5
6.4/1.5
20/80
7.3/1.2
7.4/1.2
15/85
8.6/0.9
8.6/0.9
10/90
10.3/0.7
10.4/0.7
5/95
13.3/0.4
13.4/0.4
2/99
17.3/0.3
17.4/0.3
1/99
20.3/0.2
20.4/0.2
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Single mode Single Window Couplers 
