Sony SLD1135VS Datasheet

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SLD1135VS
E98273A86-PS
650nm Index-Guided Red Laser Diode
Description
The SLD1135VS is a index-guided red laser diode for Laser pointer. The wavelength is 20nm shorter than SLD1122VS.
Features
Small astigmatism (7µm typ.)
Small package (φ5.6mm)
Single longitudinal mode
Low operating voltage (2.5V Max)
Max operating temperature = 40°C (Case temperature)
Applications
Laser pointer
Structure
AlGaInP MQW laser diode
PIN photodiode to monitor laser beam output
Recommend Optical Power Output
5mW
Absolute Maximum Ratings (Tc = 25°C)
Optical power output Po 5 mW
Reverse voltage VR LD 2 V
PD 15 V
Operating temperature Topr –10 to +40 °C
Storage temperature Tstg –40 to +85 °C
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by 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.
M-294
Pin Configuration
3
LD
1
2
PD
COMMON
21
3
Bottom View
1. LD cathode
2. PD anode
3. COMMON
Connection Diagram
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SLD1135VS
Electrical and Optical Characteristics (Tc = 25°C) Tc: Case temperature
Item Threshold current Operating current Operating voltage Wavelength
Radiation angle
Positional accuracy
Differential efficiency Astigmatism Monitor current
Ith Iop Vop
λp θ⊥ θ//
X, Y, Zφ//φ⊥
ηD As Imon
Po = 5mW Po = 5mW Po = 5mW
Po = 5mW
Po = 5mW
Po = 5mW Po = 5mW Po = 5mW, VR = 5V
22
5
0.3
0.05
30 35
2.2
650
30
7
0.6 7
0.1
40 45
2.5
660
40 12
±150
±3 ±3
0.9 15
0.25
mA mA
V
nm degree degree
µm degree degree
mW/mA
µm
mA
Symbol Conditions Min. Typ. Max. Unit
Perpendicular Parallel Position
Angle
Handling Precautions
(1) Eye protection against laser beams The optical output of laser diodes ranges from several mW to 4W. However the optical power density of the laser beam at the diode chip reaches 1MW/cm2. Unlike gas lasers, since laser diode beams are divergent, uncollimated laser diode beams are fairly safe at a laser diode. For observing laser beams, ALWAYS use safety goggles that block infrared rays. Usage of IR scopes, IR cameras and fluorescent plates is also recommended for monitoring laser beams safely.
Safety goggles for protection from laser beam
IR fluorescent plate
Optical material
Lens
Laser diode
Optical board
Optical power output control device Temperature control device
(2) Prevention of surge current and electrostatic discharge Laser diode is most sensitive to electrostatic discharge among semiconductors. When a large current is passed through the laser diode even for an extremely short time (in the order of nanosecond), the strong light emitted from the laser diode promotes deterioration and then laser diodes are destroyed. Therefore, note that the surge current should not flow the laser diode driving circuit from switches and others. Also, if the laser diode is handled carelessly, it may be destructed instantly because electrostatic discharge is easily applied by a human body. Be great careful about excess current and electrostatic discharge.
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