D
ATA
S
HEET
O
K
I
L
A
S
E
R
P
R
O
D
U
C
T
S
OL4201N
Service Channel FP Laser Module
(1480 nm, 1 mW)
October 1999
s s
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Oki Semiconductor
OL4201N Service Channel FP Laser Module
2.5 Gbps, 1480-nm, 1 mW Service Channel Laser Module
INTRODUCTION
Oki Semiconductor’s OL4201N dual in-line package service channel laser diode module features a
cooled 1480-nm MQW laser diode coupled to a single-mode fiber. The OL4201N has a built-in
thermoelectric cooler and is equipped with a monitor photodiode.
FEATURES
•
•
•
•
•
•
1480-nm MQW FP Laser
Single-mode fiber
Built-in thermoelectric cooler
1-mW fiber output power
Includes photodiode for power monitoring
14-pin Dil package
APPLICATIONS
•
•
•
•
•
•
WDM systems service channel
Service Channel
Cross connect systems
Fiber-optic light source
Telemetry systems
Test instrumentation
Oki Semiconductor
1
s
OL4201N Service Channel FP Laser Module
s
––––––––––––––––––––––––––––––––––––––––––––––––––––––
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings (ambient temperature Ta=25°C unless otherwise noted)
Parameter
Fiber Output Power
Laser diode forward current
Thermoelectric cooler voltage
Thermoelectric cooler current
Operating Temperature
Storage Temperature
Symbol
Pf
I
F(LD)
V
TEC
I
TEC
Topr
Tstg
Ratings
5
150
3.0
1.5
-40 to +85
-40 to +85
Units
mW
mA
V
A
°C
°C
Exceeding these maximum ratings could cause immediate damage or lead to permanent deterioration of the device.
Optical and Electrical Characteristics Ta=25°C
Parameter
Fiber output power
Center wavelength
RMS Spectral width
Thermistor resistance
Symbol
Pf
λ
c
σ
Rth
Test Conditions
I
F(LD)
=Ith + 20 mA
Pf= 1 mW
Pf=1 mW, CW, RMS
-
Min.
1
1470
-
9.5
Typ.
-
-
-
-
Max.
-
1490
5
10.5
Units
mW
nm
nm
kΩ
Fiber Pigtail Specifications
Parameter
Type
Mode field diameter
Cladding diameter
Jacket diameter
Length
Connector
Specifications
SM
9 +/- 1
125 +/- 2
900
1 (minimum)
FC/PC
Units
---
µm
µm
µm
m
-
2
Oki Semiconductor
–––––––––––––––––––––––––––––––––––––––––––––––––––––
s
OL4201N Service Channel FP Laser Module
s
PACKAGE DIMENSIONS
(Units: mm)
5.0
1.0
20.8
16.0
ø2.2
3.18
24
±1
1.0
25.4
12.7
ø5.6
RUBBER HOOD
STAINLESS STEEL SLEEVE
7.1
9.0
SMF
5.9
6.0
6.35
3.8
2.54
ø0.45
Tolerance = ±0.5 mm (unless noted otherwise)
Dimensions in mm.
TERMINAL CONNECTION (BOTTOM VIEW - NOT TO SCALE)
#8
#9
LD
PD
#10
#11
TH
T.E.C
(+)
#7
#6
#5
#4
#3
#2
#1
TH:
T.E.C:
#12
#13
#14
(-)
FIBER
Thermistor
Thermo-Electric Cooler
CASE
Pin Configuration
Pin Mo.
01
02
03
04
05
06
07
Description
Thermo Electric Cooler Anode (+)
NC
NC
NC
LD Anode, Case Ground, and internal connect to pin 10
NC
PD Cathode
Pin No.
08
09
10
11
12
13
14
PD Anode
LD Cathode
LD Anode, Case Ground, and internal connect to pin 5
Thermistor
Thermistor
NC
Thermo Electric Cooler Cathode (-)
Description
Oki Semiconductor
19.0
7.62
3
嵌入式系统