HL6740FG
Typical Characteristic Curves
Optical Output Power vs. Forward Current
5
Optical output power, P
O
(mW)
Threshold Current vs. Case Temperature
100
Threshold current, Ith (mA)
T
C
= 10°C
4
3
T
C
= 50°C
2
1
0
T
C
= 25°C
50
20
0
20
40
60
80
Forward current, I
F
(mA)
100
10
0
10
20
30
40
50
Case temperature, T
C
(°C)
Slope Efficiency vs. Case Temperature
1
Slope efficiency,
ηs
(mW/mA)
Monitor Current vs. Case Temperature
5
Monitor current, I
S
(mA)
0.8
0.6
0.4
0.2
0
4
3
2
1
0
T
C
= 25°C
V
R(PD)
= 5V
0
10
20
30
40
Case temperature, T
C
(°C)
50
0
10
20
30
40
50
Case temperature, T
C
(°C)
Wavelength vs. Case Temperature
684
Lasing wavelength,
λp
(nm)
682
680
678
676
674
672
670
668
666
664
0
P
O
= 5 mW
Far Field Pattern
Perpendicular
Relative intensity
P
O
= 5 mW
Parallel
-40
10
20
30
40
50
-20
0
20
Angle,
θ
( ° )
40
Case temperature, T
C
(°C)
Rev.0 Feb. 24, 2006 page 2 of 4
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