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Typical Characteristic Curves
Opticai Output Power vs. Foward Current
5
T
C
= 10°C
4
25°C
3
40°C
Threshold current, Ith (mA)
Threshold Current vs. The Case Temperature
100
Optical output power, P
O
(mW)
50°C
50
2
20
1
0
0
50
10
20
30
40
Foward current, I
F
(mA)
60
10
–10
0
10
20
30
40
Case temperature T
C
(°C)
50
Slope Efficiency vs. The Case Temperature
1.4
Slope efficiency,
ηs
(mW/mA)
1.2
1.0
0.8
0.6
0.4
0.2
0
–10
0
10
20
30
40
Case temperature, T
C
(°C)
50
Monitor current, I
S
(mA)
Monitor Current vs. The Case Temperature
0.10
P
O
= 5mW
V
R
= 5V
0.08
0.06
0.04
0.02
0
–10
0
10
20
30
40
Case temperature, T
C
(°C)
50
Lasing Wavelength vs. The Case Temperature
645
P
O
= 5mW
Lasing wavelength,
λp
(nm)
Far Field Pattern
640
Relative intensity
1.0
P
O
= 5mW
0.8 T
C
= 25°C
Perpendicular
0.6
0.4
Parallel
0.2
0
–40 –30 –20 –10 0 10 20
Angle,
θ
( ° )
0
10
20
30
40
Case temperature T
C
(°C)
50
30
40
635
630
625
–10
Rev.0 Jul. 01, 2005 page 2 of 5