Data Sheet
Banded Skip Filters for 100GHz
Add/Drop Multiplexing
Bookham banded skip filters leverage the proprietary
Advanced Energetic Deposition (AED) process to produce the
industry’s best skip filter solution. The AED process features
state-of-the-art layer thickness control to produce thin-film
interference filters that are unparalleled for optical add/drop
multiplexing (OADM) WDM applications.
Standard 5.5mm diameter packaging is available with the
boot/length specification needed to meet your application.
The optional compact packaging has diameter of only 3.2mm.
All Bookham filter components are Telcordia GR-1221
qualified and RoHS compliant.
Skip filters allow for practical ROADM deployments by splitting
off a small band of wavelengths (4, 8, or 10) that can be
reconfigured, without losing adjacent channels, for a more
cost effective add/drop solution and a “pay as you grow”
network architecture. Bookham’s OADM 100GHz TFF
products can be used for a fixed OADM portion of the
network. Bookham offers custom skip designs for channel
plans not covered in the ordering information table.
Features:
• 10ch, 8ch, 4ch and 2ch skip-zero filters available
• Wide range of band plans available including skip-1
and skip-2 designs.
• Deep reflection isolation for minimized
coherent crosstalk
• Low express channel loss
• Flat transmission passband for cascading
• Fewer skipped channels
• 27.5GHz clear channel allocation
• Excellent temperature stability
• GR-1221 qualified
• RoHS compliant
Options:
• Custom skip designs available
• Compact packaging: 3.2mm diameter
• Rugged packaging
• Other channel plans available
Applications:
• Add/drop multiplexing
• Metro and long-haul WDM
• Banded Mux/Demux
1
Data Sheet
Band Filters for 100GHz
Typical design specifications (valid over operating temperature)
Transmitted Channel
Clear Channel Passband
Isolation Bandwidth
Insertion Loss
[1][2]
IL Variation
[1]
[1]
Standard 2s0 Standard 4s0 Standard 4s1 Standard 8s0 Standard 10s0
Spec #0490 Spec #0491 Spec #0492 Spec #0508 Spec #0493
127.5
272.5
0.8
0.3
25
45
45
0.2
327.5
472.5
0.9
0.3
25
45
45
0.2
327.50
672.50
0.9
0.4
25
45
45
0.2
727.50
872.50
0.9
0.4
15
45
45
0.2
927.50
1072.50
0.8
0.4
15.5
45
45
0.2
Min
Max
Max
Max
Min
Min
Min
Max
Unit
GHz
GHz
dB
dB
dB
dB
dB
dB
Adjacent Channel Isolation
Return Loss
Directivity
PDL
[2]
[2]
[2]
Reflected Channel
Insertion Loss
Isolation
PDL
[2]
[1]
[1][2]
0.4
14
0.2
0.4
12
0.2
0.4
13
0.2
0.45
12
0.2
0.45
12.5
0.2
Max
Min
Max
dB
dB
dB
Component Parameters
Operating Temperature
Storage Temperature
Dimensions
[3]
(Standard Package)
-5 to 70
-40 to 85
5.5 (Ø) x 51 (L)
°C
°C
mm
Notes:
[1] Loss values do not include connectors
[2] Measured over operating temperature and ASOP
[3] Nominal Overall Length. Standard Package without boots nominally 35mm.
2
Data Sheet
Example Applications and Performance
Banded 4-skip-0 applications and 4-skip-0 performance at -5C, 25C, and 70C
Banded OADM
Banded Mux/Demux
4 skip 0
4 Channel
Demux
Add
4 skip 0
4 Channel
Mux
Drop
4 skip 0
4 skip 0
4 skip 0
4 skip 0
0
-5
-10
-15
-20
-25
-30
1552
Transmission (-5C)
Reflection (-5C)
Transmission (70C)
Reflection (70C)
Transmission (25C)
Reflection (25C)
1553
Loss dB
1554
1555
1556
Wavelength (nm)
3
Data Sheet
Ordering Information
Band filter numbering convention
PACKAGE TYPE
S = STD (5.5 mm dia)
C = COMPACT (3.2 mm dia)
H = INNER HOUSING ONLY
R = RUGGED (See Spec)
Z = CUSTOM (See Spec)
G = ALL GLASS
FIBER TYPE
1 = 900 µm Loose Tube
2 = 2 mm Jacketed
3 = 250 µm Bare Fibre
4 = 900 µm Tight Buffer
9 = See Specification
FIBER LENGTH
1 = 1 Meter Min.
2 = 2 Meter Min.
3 = 3 Meter Min.
4 = 1.5 Meter Min.
5 = 2.5 Meter Min.
6 = 1-1.5 Meter
7 = 0.9-1.0 Meter
8 = Multiple
9 = See Specification
C B 1 S L U 3 2 1 5 6 0 2 0 0
CONNECTOR TYPE
LU = LC/UPC
FU = FC/UPC
FA = FC/APC
SU = SC/UPC
SA = SC/APC
MU = MU
.....
NA = NONE
CC = COMBO (See Spec)
CENTER WAVELENGTH (nm)
1560200 = 1560.200
or
FREQUENCY (THz)
F192.150 = 192.150
CWL found in the table below.
Center Wavelength is center
of band and may be on 50GHz
ITU grid.
4 digit SPEC #
to be found in the
table on page 2
Channel Plans:
2s0
CWL (nm)
1560.200
1558.578
1556.959
1555.343
1553.731
1552.122
1550.517
1548.915
1547.316
1545.720
1544.128
1542.539
1540.953
1539.371
1537.792
1536.216
CWL (THz)
192.150
192.350
192.550
192.750
192.950
193.150
193.350
193.550
193.750
193.950
194.150
194.350
194.550
194.750
194.950
195.150
Banded (Skipped) Channels
Ch’s 20, 21
Ch’s 22, 23
Ch’s 24, 25
Ch’s 26, 27
Ch’s 28, 29
Ch’s 30, 31
Ch’s 32, 33
Ch’s 34, 35
Ch’s 36, 37
Ch’s 38, 39
Ch’s 40, 41
Ch’s 42, 43
Ch’s 44, 45
Ch’s 46, 47
Ch’s 48, 49
Ch’s 50, 51
4
Data Sheet
Channel Plans:
4s0
CWL (nm)
1565.900
1562.640
1559.390
1556.150
1552.930
1549.720
1546.520
1543.330
1540.160
1537.000
1533.860
1530.720
CWL (THz)
191.450
191.850
192.250
192.650
193.050
193.450
193.850
194.250
194.650
195.050
195.450
195.850
191.250
191.750
192.250
192.750
193.250
193.750
194.250
194.750
195.250
195.750
192.35
193.15
193.95
194.75
195.55
192.45
193.45
194.45
195.45
Banded (Skipped) Channels
Ch’s 13, 14, 15, 16
Ch’s 17, 18, 19, 20
Ch’s 21, 22, 23, 24
Ch’s 25, 26, 27, 28
Ch’s 29, 30, 31, 32
Ch’s 33, 34, 35, 36
Ch’s 37, 38, 39, 40
Ch’s 41, 42, 43, 44
Ch’s 45, 46, 47, 48
Ch’s 49, 50, 51, 52
Ch’s 53, 54, 55, 56
Ch’s 57, 58, 59, 60
Ch’s 11, 12, 13, 14
Ch’s 16, 17, 18, 19
Ch’s 21, 22, 23, 24
Ch’s 26, 27, 28, 29
Ch’s 31, 32, 33, 34
Ch’s 36, 37, 38, 39
Ch’s 41, 42, 43, 44
Ch’s 46, 47, 48, 49
Ch’s 51, 52, 53, 54
Ch’s 56, 57, 58, 59
Ch’s 20, 21, 22, 23, 24, 25, 25, 27
Ch’s 28, 29, 30, 31, 32, 33, 34, 35
Ch’s 36, 37, 38, 39, 40, 41, 42, 43
Ch’s 44, 45, 46, 47, 48, 49, 50, 51
Ch’s 52, 53, 54, 55, 56, 57, 58, 59
Ch’s 20, 21, 22, 23, 24, 25, 25, 27, 28, 29
Ch’s 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
Ch’s 40, 41, 42, 43, 44, 45, 46, 47, 48, 49
Ch’s 50, 51, 52, 53, 54, 55, 56, 57, 58, 59
4s1
1567.540
1563.450
1559.390
1555.340
1551.320
1547.320
1543.330
1539.370
1535.430
1531.510
8s0
1558.578
1552.122
1545.720
1539.371
1533.073
10s0
1557.768
1549.715
1541.746
1533.858
5
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