Index-Guided High Power AlGaAs Laser Diode
Description
The SLD233VL is a high power index-guided AlGaAs
laser diode.
Features
• Low noise
• Low power consumption
Applications
Pickups for MiniDisc recording/playback
Structure
• AlGaAs quantum well-structure laser diode
• PIN photodiode for optical power output monitor
Recommended Operating Optical Power Output
30mW
Absolute Maximum Ratings (Tc = 25°C)
• Optical power output PO 35 mW
• Reverse voltage VR LD 2 V
PD 15 V
• Operating temperature Topr –10 to +60 °C
• Storage temperature Tstg –40 to +85 °C
Connection Diagram
– 1 –
E97940-PS
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any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
SLD233VL
M-274
21
3
Bottom View
1. LD ANODE
2. PD ANODE
3. COMMON
– 2 –
SLD233VL
Optical and Electrical Characteristics (Tc = 25°C) Tc: Case temperature
Item Symbol Conditions Min. Typ.
Max. Unit
Threshold current
Operating current
Operating voltage
Oscillation wavelength
Radiation
angle
Positional
accuracy
Differential efficiency
Astigmatism
Coherence
Ith
Iop
Vop
λ
θ⊥
θ//
∆X, ∆Y, ∆Z
∆φ⊥
∆φ//
ηD
As
γ
PO = 35mW
PO = 35mW
PO = 35mW
PO = 35mW
PO = 35mW
PO = 30mW
PO = 4mW
780
26
7.4
0.55
30
70
2.0
790
28.5
8.5
0.9
–16
0.7
40
85
2.5
800
32
10.0
±80
±3
±2
1.2
0.9
mA
mA
V
nm
degree
degree
µm
degree
degree
mW/mA
µm
Perpendicular
Parallel
Position
Angle