Dual Window Coupler (Best)

features		applications
low excess loss various coupling ratio compact size		long-haul telecommunications catv systems & fiber sensors local area network

performance specifications

coupling ratio(%)	50/50
directivity (db)	>55
operating temperature (��c)	-40 - +85
storage temperature (��c)	-40 - +85
fiber type	corning singlemode smf-28, ds fiber, or flexcore
fiber pigtail length (m)	1
port configuration	1x2 or 2x2
package dimension	package m, n, a, b, c

singlemode dual window wideband couplers
grade	p	a
coupling ratio (%)	50/50	50/50
excess loss (typical )(db)	0.1	0.15
maximum insertion loss (db)	3.6	3.8
uniformity (max.) (db)	0.7	1.0
polarization sensitivity (db)	0.10	0.15
operating wavelength (nm)	1310 /1550 + 40, 1310 /1585+ 40, or custom wavelength

coupling ratio/insertion loss conversion chart

order infomation

type

grade

wavelength

coupling ratio or attenuation (db)

port

package

pigtail style

fiber type

in/out connector

s
w

s
p
a

35=1310/1550nm
36=1310/1585nm

50=50/50
30=30/70
10=10/90
05=5/95
01=1/99

0102=1x2
0202=2x2

m=package m n=package n
a=package a
b=package b
c=package c

1=bare fiber
2=900��m jacket
3=3mm cable

0=smf-28
d=ds fiber s=special

0=none
1=fc/apc
2=fc/pc
3=sc/apc
4=sc/pc
5=st
6=lc

x=special

* type:	s -- singlemode standard coupler w -- singlemode wideband coupler

package dimensions & pigtail syle

package dimensions:
package m: 3mm x 40mm stainless steel tube
package n: 3mm x 35mm stainless steel tube
package a: 3mm x 54mm stainless steel tube
package b: 3mm x 60mm stainless steel tube
package c: 8.5mm x 14mm x 98mm case
pigtail style:
package m, n, a:	250um bare fiber
package b:	250um bare fiber or 900um loose tube
package c:	3mm cable or 900um loose tube