L8446 查看數據表（PDF） - Hamamatsu Photonics
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L8446 Datasheet PDF : 4 Pages
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CW LASER DIODES L8933 , L8446 , L8763 , L8828 SERIES
ABSOLUTE MAXIMUM RATINGS (Top(c) = 25 °C)
Parameter
Radiant Output Power
Reverse Voltage
Operating Temperature
Storage Temperature
Symbol
Φe
Vr
Top(c)
Tstg
L8933
0.6
Value
L8446
1.2
L8763
1.2
2
0 to +30
-30 to +80
Unit
L8828
2.2
W
V
°C
°C
CHARACTERISTICS (Top(c) = 25 °C)
Parameter
Symbol
Conditions
Value
Unit
L8933
L8446
L8763
L8828
Radiant Output Power
Φe
-
0.5
1
1
2
W
Forward Current
If
L8933 Φe = 0.5 W
0.65
1.2
1.2
2.4
A
Peak Emission Wavelength
λp
L8763 Φe = 1 W
808 ± 3 , 808 ± 5 , 808 ± 10 *1
nm
Spectral Radiation Half Bandwidth
∆λ
L8446 Φe = 1 W
2
nm
Forward Voltage
Emitting Area Size
Vf
L8828 Φe = 2 W
2
V
-
Value at designing 50 X 1 100 X 1 50 X 1 100 X 1
µm
Parallel
Beam Spread Angle
θ//
Vertical
θ⊥
FWHM
8
degree
32
degree
Lasing Threshold Current
Ith
-
0.15
0.35
0.35
0.6
A
*1 Tolerance of of peak emission wavelength can be selected from +/- 3nm, +/- 5nm and +/- 10nm for every type of laser diodes listed above. For its details, see the
table of SUFFIX in the next page.
Other laser diodes of different peak emission wavelength are available, such as 830nm, 940nm and 980nm. Contact your local representative for more information.
Figure 1: Radiant Output Power vs. Forward Current (Typ.)
( Top(c) = 25 °C )
2.5
L8828
2.0
Figure 2: Emission Spectrum (Typ.)
( Top(c) = 25 °C )
100
80
1.5
60
L8763
L8446
1.0
40
L8933
0.5
20
0
0
0.5
1.0
1.5
2.0
2.5
Forward Current I f (A)
Figure 3: Directivity (Typ.)
100
Parallel Parallel
Direction Direction
80
Top View Side View
Parallel
Direction
60
Top View
(Top(c) = 25 °C )
Vertical
Direction
Vertical
Direction
Side View
Top View
Vertical
Direction
Top View
40
0
804
806
808
810
812
Wavelength (nm)
20
0
40 30 20 10 0 10 20 30 40
Angle (degree)
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