FEDF5492-01
Electronic Components
1
1.48, 1.51, 1.52
µ
m Coaxial DFB Laser Module
This version:
Apr. 2000
OL4492L,OL5492L/A,OL592L/A,OL5492L/B,OL592L/B
GENERAL DESCRIPTION
The OL4492L, OL5492L/A, OL592L/A, OL5492L/B and OL592L/B are MQW-DFB laser diode coaxial modules
with optical isolator and single-mode fiber pigtails. These modules are optimal light sources for WDM supervisory
channel in SDH system with optical in-line amplifier.
FEATURES
•
•
•
•
•
•
Single-mode fiber output: Pf = 2 mW
Side mode suppression ratio: 30 dB
Includes monitor PD for power control
Built-in optical isolator
Wide operation temperature range
Multi-quantum-well (MQW) structure
APPLICATIONS
•
WDM supervisory channel in SDH system with optical in-line amplifier
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FEDF5492-01
Electronic Components
1
OL4492L, OL5492L/A, OL592L/A, OL5492L/B, OL592L/B
PACKAGE DIMENSIONS
OL592L/A, OL592L/B
OL4492L, OL5492L/A, OL5492L/B
(Unit: mm)
φ6.8
φ6.8
30.6
43.6
2-φ2.2
4
1.5
13
4-φ0.45
(3)
2
(4)
7
CASE
LD
(2)
(1)
(4)
(1)
PD
(3)
7
12.7
17
(3)
6.4
φ4
4-φ0.45
2-φ2.4
(2)
1
8
12
16
(4)
(1)
(2)
2
CASE
LD
(2)
(1)
(4)
PD
(3)
13
26.6
2/7
FEDF5492-01
Electronic Components
1
OL4492L, OL5492L/A, OL592L/A, OL5492L/B, OL592L/B
ABSOLUTE MAXIMUM RATINGS
Parameter
Fiber Output
LD Forward Current
PD Reverse Voltage
PD Forward Current
Operating Temperature
Storage Temperature
Symbol
Pf
I
F
(LD)
V
R
(PD)
I
F
(PD)
T
opr
T
stg
—
—
Ta = 25°C
Condition
Rating
3
150
20
10
0 to +65
–40 to +85
Unit
mW
mA
V
mA
°C
°C
OPTICAL AND ELECTRICAL CHARACTERISTICS
(Ta = 25°C)
Parameter
Threshold Current
Fiber Output Power
Operating Current
Side Mode Suppression
Ratio
Rise Time
Fall Time
Forward Voltage
PD Dark Current
Monitor Current
Symbol
Ith
Pf
l
op
SMSR
t
r
t
f
V
F
I
DARK
Im
Condition
—
CW
Pf = 2 mW
Pf = 2 mW
lbias=1th
Pf = 2 mW, 10% to 90%
Pf = 2 mW
V
R
(PD) = 5 V
V
R
(PD) = 5 V, Pf = 2 mW
Min.
—
2
—
30
—
—
—
—
50
Typ.
—
—
—
—
—
—
1.1
0.5
—
Max.
40
—
120
—
0.5
0.5
1.5
20
—
Unit
mA
mW
mA
dB
ns
ns
V
nA
µA
Peak Wavelength
(Ta = 0 to 65°C)
Mode
OL4492L
OL5492L/A, OL592L/A
OL5492L/B, OL592L/B
λp
Pf = 2 mW
Symbol
Condition
Min.
1470
1500
1510
Max.
1490
1520
1530
nm
Unit
3/7
FEDF5492-01
Electronic Components
1
OL4492L, OL5492L/A, OL592L/A, OL5492L/B, OL592L/B
TYPICAL CHARACTERISTICS
OL4492L
Fiber Output Power vs. Forward Current (Ta = 25°C)
3.5
(Pf - I
m
)
Fiber Output Power Pf (mW)
2.8
(Pf - I
F
)
2.1
1.4
0.7
0
0
20
40
60
80
Forward Current I
F
(mA)
0.4
0.8
1.2
1.6
Monitor Current I
m
(mA)
100
0
2
OL4492L
Oscillation Spectrum (Ta = 25°C)
5
Relative Intensity (dB)
−15
−35
−55
−75
1469.1
1479.1
Wavelength (nm)
1489.1
4/7
FEDF5492-01
Electronic Components
1
OL4492L, OL5492L/A, OL592L/A, OL5492L/B, OL592L/B
OL5492L/A, OL592L/A
Fiber Output Power vs. Forward Current (Ta = 25°C)
3
(Pf - I
F
)
(Pf - I
m
)
Fiber Output Power Pf (mW)
2.4
1.8
1.2
0.6
0
0
20
40
60
80
Forward Current I
F
(mA)
0.4
0.8
1.2
1.6
Monitor Current I
m
(mA)
100
0
2
OL5492L/A, OL592L/A
Oscillation Spectrum (Ta = 25°C)
5
Relative Intensity (dB)
−15
−35
−55
−75
1499.9
1509.9
Wavelength (nm)
1519.9
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模拟电子