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Name:
Tree / Star Coupler
Class:
Optical Couplers
Type:
Tree / Star Coupler
Tree / Star Coupler Specification
features applications
low excess loss
uniform power splitting
rugged package
excellent environmental & mechanical stability
long-haul telecommunications
digital, hybrid and am-video systems
catv systems
high speed local area networks
fiber sensors
performance specifications
type
specification
directivity (db)
> 55 db
operating temperature (¡ãc)
-40 - +85
storage temperature (¡ãc)
-40 - +85
fiber type
corning singlemode smf-28, ds fiber. or flexcore
fiber pigtail length (m)
1m or custom on request
port configuration
1x4 to 32x32
singlemode standard tree/star couplers
configuration type
1x 4 / (4x4)
1x8 / (8x8)
1x16 / (16x16)
1x32 / (32x32)
maximum insertion loss (db)
6.8
10.2
13.6
17.5
uniformity (max.) (db)
0.7
1.0
1.2
1.4
poralization dependant loss (max.) (db)
0.15
0.20
0.25
0.30
operating wavelength (nm)
850, 980, 1310, 1550, 1585, or custom wavelength
dimensions (mm)
d,s
d,s
e
e
singlemode single window wideband tree/star couplers
configuration type
1x4 / (4x4)
1x8 / (8x8)
1x16 / (16x16)
1x32 / (32x32)
maximum insertion loss (db)
6.8
10.2
13.6
17.5
uniformity (max.) (db)
0.8
1.2
1.6
2.0
poralization dependant loss (max.) (db)
0.15
0.20
0.25
0.30
operating wavelength (nm)
1310 + 40, 1550 + 40, 1585+ 40, or custom wavelength
dimensions (mm)
d,s
d,s
e
e
singlemode dual window tree/star couplers
configuration type
1x4 / (4x4)
1x8 / (8x8)
1x16 / (16x16)
1x32 / (32x32)
maximum insertion loss (db)
7.6 (7.2)*
11.5 (10.8)*
15.5 (14.5)*
19.5 (18.5)*
uniformity (max.) (db)
1.6 (1.4)*
2.5 (2.1)*
3.4(2.8)*
4.1 (3.5)*
poralization dependant loss (max.) (db)
0.15
0.20
0.30
0.50
operating wavelength (nm)
1310/1550 + 40, (*1310/1550 + 20), or custom wavelength
dimensions (mm)
d,s
d,s
e
e
* the spec is for 1xn coupler only.
order information
type grade wavelength coupling ratio or attenuation (db) port package pigtail style fiber type in/out connector
s
p
85=850nm
av = tree coupler
0104=1x4
d=package d
1=bare fiber
0=smf-28
0=none
* type:
s -- singlemode standard coupler
package dimensions & pigtail style
package dimensions:
package d:
package e:
package s:
pigtail style:
package d,e:
3mm cable or 900um loose tube
package s:
250um bare fiber or 900um loose tube
download product datasheet
**
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directly.** If you are agent
/ OEM / middle trade, please copy the specification
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to your clients.
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