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Semiconductor Laser
LNC704PS
GaAlAs Semiconductor Laser
ø1.0 min.
+0
ø5.6
–0.025
ø4.3±0.1
ø3.55±0.1
Unit : mm
2
Features
Low threshold current
Stable single horizontal mode oscillation
Long lifetime, high reliability
Applications
Optical data processing devices
Optical disk memory
Optical measuring equipment
Absolute Maximum Ratings (Ta = 25˚C)
Parameter Symbol Ratings Unit
Radiant power P
Reverse voltage
Laser V
PIN VR (PIN) 30 V
O
R
Power dissipation Pd (PIN) 100 mW
Operating ambient temperature
Storage temperature T
T
opr
stg
40 mW
2V
–10 to +60 ˚C
– 40 to +80 ˚C
PDLD
13
2
Junction plane
Reference plane
Reference slot
Reference plane
3-ø0.45
1: LD Anode
2: Common Case
3: PD Cathode
110˚±1˚
0.4±0.1
1.0±0.1
2.3±0.2
0.25
1.27±0.07
1.2±0.1
6.5±0.5
13
ø2.0
Bottom view
Electro-Optical Characteristics (Ta = 25˚C)
Parameter Symbol Conditions min typ max Unit
Threshold current I
Operating current I
OP
Operating voltage V
Oscillation wavelength λ
Radiation angle
Horizontal direction
Vertical direction
θ
//
θ
⊥
Differential efficiency η
PIN photo current I
Reverse current (DC) I
Optical axis
accuracy
*1
The radiation angle is indicated as half full angle.
X direction
Y direction
θ
θ
CW 10 20 35 mA
th
CW PO = 32mW 30 70 90 mA
CW PO = 32mW 2.0 2.5 V
OP
CW PO = 32mW 770 785 805 nm
L
*1
CW PO = 32mW 7 9 13 deg.
*1
CW PO = 32mW 20 25 30 deg.
CW PO = 29mW/I(32mW – 3mW)
CW PO = 32mW,
P
VR (PIN) = 15V 0.1 µA
R
CW PO = 32mW –2.0 +2.0 deg.
X
CW PO = 32mW –3.0 +3.0 deg.
Y
VR (PIN) = 5V
0.7 0.9 1.2 W/A
0.4 mA
1
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Semiconductor Laser LNC704PS
P
60
50
40
(mW)
O
30
20
Radiant power P
10
0
0 12040 80
Operating current IOP (mA)
2
10
(mA)
th
10
O
I
th
— I
— Ta
OP
I — V
200
Ta = 25˚C
100
0
Current I (mA)
–100
–200
–4 –2 0 2 4
3
10
(mA)
OP
2
10
Voltage V (V)
I
— Ta
OP
PO = 32mW
Far field pattern
100
80
O
60
40
Relative radiant power ∆P
20
0
40 20 0 20 40
Angle θ (deg.)
600
500
(µA)
P
400
I
P
— Ta
θ//θ
V
PO = 32mW
⊥
(PIN) = 5V
R
Threshold current I
1
– 10 10 5030 70
Ambient temperature Ta (˚C )
P
— Ta
60
50
40
(mW)
O
30
20
O
Radiant power P
10
0
– 10 10 30 50 70
Ambient temperature Ta (˚C )
Operating current I
10
– 10 10 5030 70
Ambient temperature Ta (˚C )
I
— Ta
2
10
10
(nA)
d
1
–1
10
PIN dark current I
–2
10
–3
10
– 10
d
VR (PIN) = 15V
10 30 7050
Ambient temperature Ta (˚C )
300
PIN photo current I
200
–10 10 30 50 70
Ambient temperature Ta (˚C )
2