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參數(shù)資料
| 型號： | SLD231VL |
| 元件分類： | 激光器 |
| 英文描述： | 790 nm, LASER DIODE |
| 封裝： | M-274, 3 PIN |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 65K |
| 代理商： | SLD231VL |
– 2 –
SLD231VL
Optical and Electrical Characteristics (Tc = 25°C)
Tc: Case temperature
Item
Symbol
Conditions
Min.
Typ.
Max.
Unit
Threshold current
Operating current
Operating voltage
Wavelength
Radiation
angle
Positional
accuracy
Differential efficiency
Astigmatism
Monitor current
Ith
Iop
Vop
λ
θ⊥
θ//
X, Y, Z
φ⊥
φ//
ηD
As
Im
PO = 35mW
PO = 35mW, Vr = 5V
10
35
—
780
20
7
—
0.7
—
20
55
2.0
790
24
9
—
1.0
—
0.10
40
70
2.5
800
28
12
±80
±3
1.3
6
—
mA
V
nm
degree
m
degree
mW/mA
m
mA
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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