124
Hologram Lasers
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GH5R41KA3C
Tc=25C
Tc=50C
Tc=75C
Forward current I
F
(mA)
O
0
20
40
60
80
100
120
0
50
100
150
200
250
300
Tc=25
C
Tc=50
C
Tc=75
C
Forward current I
F
(mA)
O
0
50
100
150
200
0
100
200
300
400
(Pulse Width : 0.5
μ
s,
Duty : 50%)
Optical power output - Forward current [CW]
Optical power output - Forward current [Pulse]
Case temperature Tc(
C)
R
0.1
1
10
0
20
10
40
60
30
50
70
80
angle
θ
(
)
R
0
-40.0
0.2
0.4
0.6
0.8
1.0
1.2
-20.0
0.0
20.0
40.0
θ
θ
//
(Tc=25
C, Po=100mW)
Case temperature dependence of threshold current [CW]
Far field pattern
Fead back(%)
R
-160
-150
-140
-130
-120
-110
-100
-90
0.001
0.01
0.1
1
10
MAX. (dB/Hz)
MIN. (dB/Hz)
Measurement Frequency :
Band Width :
720kHz
10kHz
Tc =
Po =
3mW
25
C
Measurement Frequency :
Band Width :
720kHz
10kHz
Tc =
Po =
3mW
25
C
High frequency modulation :TDK HFM-098
(5V, 350MHz)
Fead back(%)
R
-160
-150
-140
-130
-120
-110
-100
-90
0.001
0.01
0.1
1
10
MAX. (dB/Hz)
MIN. (dB/Hz)
Relative intensity noise (RIN) [without high frequency modulation]
Relative intensity noise (RIN) [with high frequency modulation]
Note) Characteristics shown in diagrams are typical values. (not assurance value)