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参数资料
| 型号： | SPLEB94-M |
| 元件分类： | 激光器 |
| 英文描述： | 940 nm, LASER DIODE |
| 文件页数： | 3/5页 |
| 文件大小： | 75K |
| 代理商： | SPLEB94-M |
SPL EBxx
2002-06-15
3
Diode Characteristics (
T
A = 20 °C mount temperature)
Parameter
Symbol
Values
Unit
min.
typ.
max.
Emission wavelengths
λ
–
808
940
975
–
nm
Spectral width (FWHM)
1)
λ
–
4
–
nm
Threshold current
at 808 nm
I
th
–
16
–
A
at 940 nm, and 975 nm
–
12
14
Differential efficiency (per bar)
1)
η
d
–
0.75
0.85
W/A
Operating current
1)
I
op
–
52
60
A
Operating voltage (per bar)
1)
V
op
–
1.75
–
V
Operating voltage
1)
V
op
–
1.75
–
V
Overall efficiency
1)
η
28
32
35
%
Emitting aperture
H
–
n
× 4
–
mm
W
–
12
–
mm
Beam divergence
1) 2)
θ⊥ × θ||
–
15
× 20
20
× 25
mrad
Temperature coefficient of wavelength
λ / T
–
0.27
–
nm/K
Temperature coefficient of operating current
I
op/IopT
–
0.5
–
%/K
Coolant flow rate (per bar)
1)
dV/dt
0.35
0.5
–
l/min
Pressure drop
1)
p
–
1.5
3.0
bar
1)
Standard operating conditions refer to 25 W at 808 nm and 30 W at 940 nm cw collimated optical output power per
bar with water coolant at 20
°C.
2)
Far field divergence refers to half angle at 1/e
2 relative intensity.
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