JOG-01155 Rev. 8
Optical Components Rev. 8 [5. 2009]
OL3450L-A,OL3451L-A,OL3453L-A
OL4450L-A,OL4451L-A,OL4453L-A
OL4450L-B,OL4451L-B,OL4453L-B
OL5450L-A,OL5451L-A,OL5453L-A
OL5450L-B,OL5451L-B,OL5453L-B
OL6450L-A,OL6451L-A,OL6453L-A
Series
2mWCoaxial DFB Laser Diode Modules
Drawing No: JOG-01155 Rev. 8
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1. DESCRIPTION
The OL3450L-A, OL3451L-A, OL3453L-A, OL4450L-A, OL4451L-A, OL4453L-A,
OL4450L-B,OL4451L-B,OL4453L-B, OL5450L-A, OL5451L-A, OL5453L-A, OL5450L-B,
OL5451L-B, OL5453L-B, OL6450L-A, OL6451L-A, OL6453L-A series consist of an
MQW-DFB laser diode, a monitor PD, a single-stage optical isolator, a single-mode fiber and a
coaxial package.
2. FEATURES
High output power: 2.0mW fiber output power under CW
Wide operating temperature range: Tc=0 to +70
°C
Side-mode suppression: 30dB
Multi-quantum-well (MQW) DFB structure
Internal monitor PD for power control
Built-in single-stage optical isolator
Coaxial Package
No TEC required
3. APPLICATION
WDM supervisory channel in SDH system with optical in-line amplifier
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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4.OPTICAL AND ELECTRICAL CHARACTERISTICS
(Tc = 0 to +70°C, unless otherwise specified)
Parameter Symbol
Test Conditions Min. Typ. Max. Unit
Fiber Output Power Pf CW 2.0 mW
Tc=+25°C,CW 10 35
Threshold Current Ith Tc=+70°C,CW 27 40 mA
Operation Current Iop Pf=2.0mW,CW 50 120 mA
Forward Voltage Vf Pf=2.0mW,CW 1.1 1.5 V
OL345xL-A 1300 1310 1320
OL445xL-A 1470 1480 1490
OL445xL-B 1480 1490 1500
OL545xL-A 1500 1510 1520
OL545xL-B 1510 1520 1530
OL645xL-A-S1 1620 1630 1640
Peak Wavelength λp
Pf=2.0mW
,CW
OL645xL-A-S2 1625 1630 1645
nm
Side-mode suppression
ratio SMSR
Pf=2.0mW,CW, Tc=+25°C 30 dB
Rise/Fall times Tr/Tf Pf =2.0mW,Ibias=Ith
10-90% 0.5 ns
Photodiode Dark Current
Id Vrd=5V, Tc=+25°C 20 nA
Monitor Current Im Pf=2.0mW,CW,Tc=+25°C 50
µ
A
Tracking Error* TRE (RT to WCT) -1 --- +1 dB
*TRE=10*log{(Pf@0+70°C )/(Pf@25°C)} at Im hold(@25°C)
5.ABSOLUTE MAXIMUM RATING
(Tc = +25°C, unless otherwise specified)
Parameter Symbol Rating Unit
Fiber Output Power Pf 3 mW
LD Reverse Voltage Vrl 2 V
Monitor PD Forward Current Ifd 10 mA
Monitor PD Reverse Current I
rd
3 mA
Monitor PD Reverse Voltage Vrd 15 V
Operating Case Temperature (Tc) Tc 0 to +70
°
C
Storage Temperature Tstg -40 to +85
°
C
Lead Soldering Temperature (10s) - 260
°
C
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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6.CONNECTOR AND FIBER SPECIFICATIONS
Parameter Specifications Unit
Type SM ---
Mode Field Diameter 9+/-1 µm
Cladding Diameter 125+/-2 µm
Jacket Diameter 900 µm
Length 1(Min) m
Connector Type FC/SC/LC/MU/MU-J ---
7.ORDERING INFORMATION
OL 6 45 0 L – A – AF SC – S1
Wavelength Tolerance
S1 (default), S2: See Table A (P.4)
Connector type
SC: SC Connector
FC: FC Connector
LC: LC Connector
MU: MU Connector
MUJ: MU-J Connector
Pin Assignment
0: C type
1: A type
3: B type
(See P.5)
Flange type
AF: Angled Flange
SF: Straight Flange
NF: No Flange
AT: Angled Thin Flange
Wavelength
3: 1.3µm
4: 1.4µm
5: 1.5µm
6: 1.6
µ
m
Peak Wavelength
A, B: See Table A (P.4)
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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Table A. Peak Wavelength vs. LAPIS Semiconductor Part Number
Peak Wavelength(Typ.) Wavelength Tolerance LAPIS Semiconductor Part Number
1310nm +/-10nm OL345xL-A
1480nm +/-10nm OL445xL-A
1490nm +/-10nm OL445xL-B
1510nm +/-10nm OL545xL-A
1520nm +/-10nm OL545xL-B
1630nm +/-10nm OL645xL-A-S1
1630nm +15/-5nm OL645xL-A-S2
8.OUTLINE DRAWING
Length (mm)
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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All dimensions in millimeters
Flange Type (continued)
Straight flange No flange Angled flange
A,C type
B type
C type
A type
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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Flange Type
Pin Assignment
OLx450L (C type) OLx451L (A type) OLx453L (B type)
Angled thin flange
A,C type
B type
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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9. SAFETY INFORMATION ON THIS PRODUCT
Warning
Laser Beam
A laser beam is emitted from this laser diode during operation.
The invisible or visible laser beam, directly or indirectly, may cause injury to the
eye
or loss of eyesight.
Do not look directly into the laser beam.
Avoid exposure to the laser beam, any reflected or collimated beam.
Caution
GaAs
Product
The product contains gallium arsenide, GaAs.
GaAs vapor and powder are hazardous to human health if inhaled, ingested or
swallowed.
Do not destory or burn the product.
Do not crush or chemically dissolve the product.
Do not put the product in the mouth.
Observe related laws and company regulations when discarding this product.
The product should be excluded from general industrial waste or household
garbage.
Caution
Optical Fiber
A glass-fiber is attached on the product. Handle with care.
When the fiber is broken or damaged, handle carefully to avoid injury from
the damaged part or fragments.
All specifications described herein are subject to change without notice.
JOG-01155 Rev. 8
Drawing No: JOG-01155 Rev. 8
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