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参数资料
| 型号： | SPLEY94 |
| 元件分类： | 激光器 |
| 英文描述： | 940 nm, LASER DIODE |
| 文件页数： | 3/6页 |
| 文件大小： | 61K |
| 代理商： | SPLEY94 |
SPL ENxx, SPL EYxx
2002-06-15
3
Diode Characteristics (
T
A = 20 °C mount temperature)
Parameter
Symbol
Values
Unit
min.
typ.
max.
Output power, cw per bar
1)
P
op
35
40
50
W
Emission wavelength
2)
λ
peak
–
808
940
975
–
nm
Spectral width (FWHM)
2)
λ
–
4
–
nm
Threshold current, cw-type
808 nm
I
th, cw
–
16
20
A
940 nm
–
12
14
975 nm
–
12
14
Differential efficiency
1)
808 nm
P/I
–
1.1
–
W/A
940 nm
–
0.9
–
975 nm
–
0.9
–
Fast-axis collimation efficiency
EY-Series
into beam divergence
η
col
–
90
–
%
Operating current, cw-type
2)
I
op, cw
–
52
–
A
Operating voltage (per bar)
1)2)
V
op
–
1.75
–
V
Overall efficiency
EN-Series
η
40
45
–
%
Beam divergence (half angle)
3) 4)
EN-Series
θ⊥ × θ||
–
35
° × 6°
–
deg.
EY-Series
–
0.5
° × 6° –
Thermal resistance
R
th
–
0.5
–
K/W
Temperature coefficient of operating current
1)
I
op/IopT
–
0.5
–
%/K
Temperature coefficient of wavelength
1)
λ / T
–
0.27
–
nm/K
Coolant flow rate (per bar)
dV/dT
0.35
0.5
–
l/min
Pressure drop
4)
P
–
2.0
–
bar
1)
Depending on emission wavelength.
2)
Standard operating conditions refer to 40 W cw optical output power at 20 °C. Optical power measurements refer to
an integrating sphere.
3)
Far field divergence refers to half angle at 1/e
2 relative intensity.
4)
Depending on number of bars.
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