MISCELLANEOUS
MISCELLANEOUS
Amplifer Optic Block
Pigtail Fiber Optic Collimators
Attenuator
VCVOA
Jumper
74
MISCELLANEOUS
AMPLIFIER OPTIC BLOCK
Features
• Low insertion loss
• High stability and reliability
• Compact size
• Optical path epoxy free
Applications
• Booster amplifier
• Line amplifier
• Preamplifier
• ASE light source
Typical Structure
Ordering Information
An Optical Block is a basic building unit of an amplifer.
It contains Tap Couplers, Isolators, and Wavelength Division
Multiplexers. The Erbium-Doped Fiber and Gain Flattening Filter
can be assembled into the block per customer’s request.
WDM Isolator Tap coupler
Erbium-Doped Fiber
Stage
1 = Single stage
2 = Dual stages
Pump configuration
0 = Forward pump
1 = Backward pump
2 = Dual pump
3 = Triple pump
FA
Connector
0 = None
1 = FC/APC
2 = SC/APC
3 = FC/PC
4 = SC/PC
5 = ST
6 = LC/UPC
7 = MU/PC
8 = Custom
Package
A = Package A (152 x 137 x 13mm)
S = Special
O
75
MISCELLANEOUS
PIGTAIL FIBER OPTIC COLLIMATORS
Features
• Compact miniature unit
• Low insertion loss
• High return loss
• Environmental stability and reliability
Applications
• Optical devices
• Fiber optical alignment
• Optical testing systems
• Laser interface
CL type Premium A Grade
Spectral width ( min. ) ( nm ) 60
Central wavelength ( nm ) ≥1310, 1550, 1310/1550
Beam diameter ( mm ) < 0.5
Beam divergence ( max. ) ( ˚ ) 0.25
Acceptance angle ( max. ) ( ˚ ) 0.15
Return loss ( dB ) 65 60
Typ. insertion loss ( dB ) ( any pair ) 0.2 0.3
Max. insertion loss ( dB ) 0.3 0.5
Max. optical power ( mW ) 300
Operating temperature ( ˚C ) -20 ~ +70
Storage temperature ( ˚C ) -40 ~ +85
Tensile load ( max. ) ( N ) 5
Specifications
Ordering Information
Wavelength
13 = 1310nm
15 = 1550nm
35 = 1310/1550nm
Grade
P = Premium
A = A Grade
CL
Pigtail Style
T = 900µm
tight buffer
B = Bare fiber
Package
B = Package B
Fiber Length
A= 1m
B= 2m
C = Custom
Connector
0 = None
1 = FC/APC
2 = SC/APC
3 = FC/PC
4 = SC/PC
5=ST
6 = LC/UPC
7 = MU/PC
8 = Custom
Dimensions
10mm
Ø
Package A: Ø = 4.0mm
Package B: Ø = 3.2mm
76
MISCELLANEOUS
ATTENUATOR
Features
• All-fiber construction
• In-line configuration
• Excellent environmental stability and reliability
Applications
• Telecommunication systems
• Digital, hybrid and AM-video systems
• Local area networks
• CATV systems
• Aerospace
Type Single Window Wideband Dual Window Wideband
Attenuation ( dB ) 3, 5, 10, 15, 20 ± 10% 3, 5, 10, 15, 20 ± 10%
Operating wavelength ( nm )* 1310 ± 40 or 1550 ± 40 1310/1550 ± 40
Back reflection ( dB ) ≤-60
Operating temperature ( ˚C ) -40 ~ +85
Storage temperature ( ˚C ) -40 ~ +85
Fiber type Corning singlemode SMF-28
Fiber pigtail type Bare fiber, 900µm loose tube or 3mm cable
Fiber pigtail length ( m ) 1 meter or custom on request
Package dimensions Package A, B, C
Specifications
* Applications at 980nm and 850nm are available.
77
MISCELLANEOUS
VCVOA (VOLTAGE-CONTROLLED VARIABLE OPTICAL ATTENUATOR)
Features
• High reliability
• Latching capability
• Potentiometer feedback to monitor
•Wide attenuation range
•High attenuation resolution
•Mountable on printed circuit board
Applications
• Power equalization in multi-channel
optical networks
• Gain-tilt control in optical amplifers
• Balance laser signal into DWDM networks
• Used between stages of EDFA as a constant
”gain” block
Specifications Min. Typical Max.
Wavelength range ( nm ) 1520 1580
Input optical power ( mW ) 250
Attenuation range ( dB ) 40
Attenuation resolution ( dB ) 0.1 0.15
Residual attenuation ( dB ) 0.1
Minimum insertion loss ( dB ) 0.5dB*; 1.2dB**; 1.6dB***
Temperature dependence of attenuation ( dB ) 0.2
Wavelength dependence of attenuation ( dB ) 0.2
Polarization dependent loss ( dB ) 0.2
Polarization mode dispersion ( ps ) 0.1
Return loss ( dB ) 50
Response speed ( ms ) 100
Repeatability of attenuation setting ( dB ) 0.15
Backlash in attenuation setting ( dB ) 0.15
Dimensions ( mm ) ( L ) 25 x ( W ) 12 x ( H ) 50
Operating temperature ( ˚C ) -5 70
Storage temperature ( ˚C ) -5 80
Specifications
* With no monitoring tap detector.
** With input or output monitoring tap detector.
*** With input or output monitoring tap detector.
Ordering Information
No. of Pigtails
0 = without taps
1 = with input tap only
2 = with input tap only
3 = with input and output taps
Package
S = Standard
C = Customer design module
Pigtail Type
B = 250µm bare fiber
L = 900µm loose tube
Connector
0 = None
1 = FC/APC
2 = SC/APC
3 = FC/PC
4 = SC/PC
5 = ST/PC
6 = LC/UPC
7 = MU/PC
8 = Customer order
Fiber Length
1=1m
2=2m
3 = Customer specify
78
MISCELLANEOUS
JUMPER
Ordering Information
S = Singlemode
M = Multimode
S = Simplex
M = Duplex
01 = 1m
02 = 2m
03 = Custom
B = Bare fiber
L = 900µm
loose tube
R = 3mm cable
T = 900µm
tight buffer
0 = SMF-28
1 = Corning flexcore
2 = 50/125µm
3 = 62.5/125µm
4 = 100/140µm
FC = FC/PC
ST = ST
SC = SC/PC
FA = FC/APC
SA = SC/APC
FC = FC/PC
ST = ST
SC = SC/PC
FA = FC/APC
SA = SC/APC
79
Package
A = Package A
B = Package B
C = Package C
D = Package D
E = Package E
F = Package F
G = Package G
S = Customer
specify
Product
S = Singlemode standard coupler
W = Singlemode wideband coupler
single or dual window
D = Singlemode wavelength
division multiplexer
M = Multimode coupler
A = Singlemode in-line attenuator
Wavelength
85 = 850nm
63 = 633nm
13 = 1310nm
14 = 1480nm
15 = 1550nm
18 = 1585nm
35 = 1310/1550nm
95 = 980/1550nm
45 = 1480/1550nm
•
•
•
Grade
S
P
A
B
Port
0102 = 1x2
0202 = 2x2
0103 = 1x3
0303 = 3x3
0104 = 1x4
•
•
•
0116 = 1x16
1616 = 16x16
3232 = 32x32
Coupling Ratio
50 = 50/50
30 = 30/70
10 = 10/90
05 = 5/95
01 = 1/99
••
••
••
AV = Tree coupler
00 = WDM
(for 980/1550µm &1480/1550nm WDM)
WA = Type I WDM (for 1310/1550nm WDM)
WB = Type II WDM (for 1310/1550nm WDM)
WC = Type III WDM (for 1310/1550nm WDM)
WD = Type IV WDM (for 1310/1550nm WDM)
Pigtail Style
B = Bare fiber
L = 900µm loose tube
C = 3mm cable
Fiber Type
0 = Corning SMF-28
1 = Corning Flexcore
2 = 50/125µm
3 = 62.5/125µm
4 = 100/140µm
5 = CS980
S = Customer specify
Connector
0 = None
1 = FC/APC
2 = SC/APC
3 = FC/PC
4 = SC/PC
5 = ST/PC
6 = LC/UPC
7 = MU/PC
8 = Customer
specify
Attenuation (dB)
20 = 20dB
15 = 15dB
10 = 10dB
05 = 5dB
03 = 3dB
54mm Ø 3mm
60mm Ø 3mm
102mm
99.5mm
7.6mm
15.2mm
102mm
99.5mm
70.1mm
10.6mm
76mm
142mm
136.5mm
99.5mm
10.6mm
102mm
173mm
165.1mm
124.5mm
14.2mm
132mm
218mm
210.4mm
154.4mm
14.2mm
162mm
Package G
Package B
Package C
Package A
Package D
Package F
Package E
ORDERING INFOR
M
FIBER OPTIC COUPLERS, WDMS, AND ATTENUATORS
Dimensions and Pigtail Style
Bare Package
Loose Tube Package
1x2 2x2
1x4
1x8
1x8
1x16
1x32
In Out
NOTES
