Alcatel 1948 PLI
High power 1480 nm
Pump Laser module with Isolator
Description
The Alcatel 1948 PLI module contains a
SLMQW 1480 nm high power laser coupled
to the pigtail with an optical isolator.
It incorporates a thermo-electric cooler,
precision NTC thermistor, and a monitor
photodiode. The Alcatel 1948 PLI can be
pigtailed with a standard Single Mode Fiber
(SMF) or a Polarization Maintaining Fiber
(PMF).
The Alcatel 1948 PLI is dedicated to 1480 nm
pumped Erbium-Doped Fiber Amplifiers (EDFA).
鈥?/div>
Low drive current
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SMF or PMF
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30 dB optical isolation
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InGaAsP SLMQW laser
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Internal TEC and monitor photodiode
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Hermetic 14-pin butterfly package
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Full performance in operating case
temperature from 0 to + 70 擄C
Applications
Features
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From 140 to 200 mW output power versions
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High power Erbium-Doped Fiber Amplifier
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Co and Contra EDFA pumping
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Instrumentation
Optical characteristics
Parameter
Threshold current (Ith)
Output power (Pf)
(see codes)
If = 700 or 600 mA
If = 700 or 600 mA
If = 700 or 600 mA
If = 700 or 800 mA
If = 800 mA
Forward voltage (Vf)
Monitoring current
Wavelength range
Spectral width (RMS)
Photodiode dark current
Photodiode capacitance
Thermistor resistance
TEC current (Itec)
TEC voltage (Vtec)
鈭員
= 45擄C; Tchip = 25擄C; Tcase = 70擄C
鈭員
= 45擄C; Tchip = 25擄C; Tcase = 70擄C
- 10 dB
V= - 5 V
V= - 5 V, 1 MHz
9.5
@ If
@ If
300
1460
1490
15
50
15
10.5
1.3
4.2
140
160
180
190
200
Condition
Min
Typical
35
155
175
200
210
220
2.1
Max
65
Unit
mA
mW
mW
mW
mW
mW
2.5
V
碌A(chǔ)
nm
nm
nA
pF
k
鈩?/div>
A
V
Absolute maximum ratings
Parameter
Operating case temperature
Storage temperature
Laser forward current
Laser reverse voltage
Photodiode forward current
Photodiode reverse voltage
TEC voltage
TEC current
ESD applied to PIN detector (pin 3&4) [1]
ESD applied on all other pins [1]
Lead soldering time (at 350 擄C)
Package mounting screw torque
[1] Human body model
Min
-5
- 40
Max
75
85
1000
2
1
20
4.6
1.7
100
2000
3
0.2
Unit
擄C
擄C
mA
V
mA
V
V
A
V
V
s
Nm
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