1.53
÷
1.57
m
Description:
CW output power
> 0.8 mW
LFO-18-i
LFO-18-i
– is a series of optical modules based on Mitsubishi 1550nm MQW
InGaAsP/InP Fabry-Perot laser diode and coupled with singlemode optical
fiber. Hermetically sealed modules are performed in standard «DIL-14»
package with built-in InGaAs monitor photodiode, thermocooler and ther-
mistor. The modules operate in wide temperature range, have stable output
power and more than 5*10
5
hours of lifetime.
LFO-18-i
– are the best light sources for digital (up to 622Mb/s) fiber-optic
communication lines, optical testers, systems of optical synchronization
and other applications.
Absolute maximum ratings:
Laser diode
Max. output power (mW)
Reverse voltage (V)
1.2
2.0
Thermocooler
Forward current (mA)
Forward voltage (V)
450
9.0
Monitor photodiode
Reverse voltage (V)
Forward current (mA)
10
2.0
Environment
Operating temperature range (
о
С)
Storage temperature range (
о
С)
-40..+55
-40..+70
Thermistor
Max. current (mA)
Voltage drop (V)
0.1
10
Assembly
Pin soldering temperature (
о
С)
Pin soldering time (sec)
200
3.0
Optical and electrical characteristics (Т=25
оС):
Characteristics
Symbol
P
OP
λ
OP
∆λ
I
TH
I
F
U
OP
τ
R
/τ
F
I
PD
I
D
C
PD
R
T
I
C
U
C
D
C
/D
CL
L
Test condition
I
OP
P
OP
P
OP
CW
P
OP
P
OP
P
OP
U
REV
=5.0 V, P
OP
U
REV
=5.0 V
U
REV
=5.0 V, f=1 MHz
Т=T
OP
P
OP
P
OP
Min
Typ.
0.8
Max
Units
mW
Laser diode
Output power from fiber end
Wavelength
Spectral width (FWHM)
Threshold current
Forward current
Forward voltage
Rise time/fall time
1530
5.0
25
1550
1.0
10
35
1.1
0.3
100
500
0.01
10
10
0.35
6.5
9/125
400..1500
«FC»
0.1
20
1570
2.5
15
45
1.5
0.7
nm
nm
mA
mA
V
ns
µA
µA
pF
kΩ
A
V
µm
mm
Monitor photodiode
Monitor current
Dark current
Capacitance
Thermistor
Resistance
Thermocooler
Forward current
Forward voltage
Optical fiber
Fiber core/cladding diameter
Fiber length
Optical connector type
ROITHNER LASERTECHNIK
A-1040 VIENNA, SCHOENBRUNNER STRASSE 7, AUSTRIA
TEL: +43 -1- 586 52 43-0 FAX: +43 -1- 586 52 43-44
e-mail: office@roithner-laser.com http://www.roithner-laser.com
LFO-18-i
Typical optical and electrical characteristics (Т=25
оС):
1,0
LFO-18-i
0,8
LFO-18-i
Optical Power (mW)
0,6
0,4
0,2
1,54
1,55
1,56
0,0
0
10
20
30
40
Wavelength ( m)
Current (mA)
Package specifications (DIL-14pin fiber package):
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
“+” thermocooler
—
—
—
LD anode (+)
—
PD cathode (+)
PD anode (-)
LD cathode (-)
LD anode (+)
thermistor
thermistor
—
“-” thermocooler
(top view)
ROITHNER LASERTECHNIK
A-1040 VIENNA, SCHOENBRUNNER STRASSE 7, AUSTRIA
TEL: +43 -1- 586 52 43-0 FAX: +43 -1- 586 52 43-44
e-mail: office@roithner-laser.com http://www.roithner-laser.com
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