|
1550nm
FP laser diode
Model No. LD1550-20B
Features
-
Uncooled
1550nm FP laser diode with MQW structure
-
20 mW
CW operation at -40~70 oC
-
High
temperature operation without TE cooler
-
Hermetically
sealed active component
-
TO-18
with a flat window cap package
-
Built-in
InGaAs monitor photodiode
|
Absolute Maximum
Ratings(Tc=25oC) Ratings(
|
Parameter
|
Symbol
|
Value
|
Unit
|
Optical
Output Power
|
Po
|
20 (CW)
|
mW
|
LD
Reverse Voltage
|
VRLD
|
2
|
V
|
LD
Forward Current
|
IFLD
|
125
|
mA
|
PD
Reverse Voltage
|
VRPD
|
10
|
V
|
PD
Forward Current
|
IFPD
|
2.0
|
mA
|
Operating
Temperature
|
Topr
|
-40~+70
|
oC
|
Storage
Temperature
|
Tstg
|
-40~+100
|
oC
|
Optical
and Electrical Characteristics (Tc=25oC)
|
Parameter
|
Symbol
|
Min.
|
Typ.
|
Max.
|
Unit
|
Test condition
|
|
Slope
Efficiency
|
SE
|
0.2
|
0.28
|
-
|
mW/mA
|
CW,
Po
=20 mW
|
|
Threshold
Current
|
Ith
|
-
|
10
|
15
|
mA
|
CW,
Po
=20 mW
|
|
Operation
Current
|
Iop
|
-
|
80
|
115
|
mA
|
CW,
Po
=20mW
|
|
Peak
Wavelength
|
l
|
1530
|
1550
|
1570
|
nm
|
CW,
Po
=20 mW
|
|
Spectral
Width
|
Dl
|
-
|
2
|
5
|
nm
|
CW,
Po
=20 mW
|
|
Beam
Divergence
|
θ∕∕
|
-
|
25
|
-
|
deg.
|
CW,
Po
=20 mW, FWHM
|
|
θ┴
|
-
|
40
|
-
|
|
PD
Monitor Current
|
Im
|
0.4
|
-
|
-
|
mA
|
CW,
Po
=20 mW
|
Note: The above specifications are
subject to change
without notice.
Pin
Assignment & Mechanical Outline:
The above specifications are
subject to change
without notice.
|
