Datasheet

U-LD-670561A-preliminary
670nm Laser Diode UNION OPTRONICS CORP.
■Electrical and Optical Characteristics(Tc=25℃)
Parameter
Symbol Condition Min. Typ. Max. Unit
Threshold Current
Ith CW
-2435
mA
Operating Current
Iop Po=5mW
-3445
mA
Operating Voltage
Vop Po=5mW
- 2.2 2.6
Volt
Slope Efficiency η
4mW-1mW
0.4 0.5 -
mW/mA
Ι
4m
W
-Ι
1m
W
Monitor Current
Im Po=5mW
0.1 0.2 0.5
mA
Beam Divergence Parallel
θ//
Po=5mW
7.5 9 11
deg.
(FWHM) Perpendicular
θ⊥
Po=5mW
25 32 35
deg.
Lasing Wavelength
λ
Po=5mW
660 670 678
nm
◎θ// and θ⊥ are defined as the angle within which the intensity is 50% of the peak value.
■Typical characteristic curves
UNION OPTRONICS CORP.
20 25 30 35 40 45 50
Forward Current (mA)
0
1
2
3
4
5
6
Optical Output Power (m
W
)
Optical Output Power v.s. Forward Current
25
o
C 30
o
C 40
o
C 50
o
C 60
o
C
0 5 10 15 20 25 30 35 40 45 50
Forward Current (m
A
)
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
Forward
V
oltage (
V
)
Forward Voltage v.s. Forwar Current
25
o
C 30
o
C 40
o
C50
o
C 60
o
C
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