HL7852G
Typical Characteristic Curves
Optical Output Power vs. Forward Current
60
Threshold Current vs. Case Temperature
100
Optical output power, P
O
(mW)
50
40
30
20
10
0
60°C
Threshold current, Ith (mA)
200
T
C
= 0°C 25°C
50
30
20
0
40
80
120
160
10
0
10
20
30
40
50
60
Forward current, I
F
(mA)
Case temperature, T
C
(°C)
Slope Efficiency vs. Case Temperature
1.0
100
Monitor Current vs. Case Temprature
P
O
= 5 mW
V
R(PD)
= 5 V
Slope efficiency,
ηs
(mW/mA)
Monitor current, I
S
(µA)
0.8
0.6
0.4
0.2
0
0
10
20
30
40
50
60
Case temperature, T
C
(°C)
80
60
40
20
0
0
10
20
30
40
50
60
Case temperature, T
C
(°C)
Lasing Wavelength vs. Case Temperature
800
P
O
= 50 mW
795
790
1.0
Far Field Pattern
P
O
= 50 mW
0.8 T
C
= 25°C
0.6
0.4
0.2
0
-40 -30 -20 -10
0
40
50
30
Case temperature, T
C
(°C)
10
20
60
0
10
20
30
40
Parallel
Perpendicular
Lasing wavelength,
λp
(nm)
785
780
775
Relative intensity
Angle,
θ
( ° )
Rev.1 Dec. 04, 2006 page 2 of 4
OPNEXT [ OPNEXT. INC. ]
