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參數資料
| 型號： | SPLEB94-K |
| 元件分類： | 激光器 |
| 英文描述： | 940 nm, LASER DIODE |
| 文件頁數： | 3/5頁 |
| 文件大小： | 93K |
| 代理商： | SPLEB94-K |
SPL EBxx
2000-11-06
3
Diode Characteristics (
T
A =20 °C mount temperature)
Parameter
Symbol
Values
Unit
min.
typ.
max.
Emission wavelengths
l
–
808
940
975
–
nm
Spectral width (FWHM)
1)
Dl
–4
–nm
Threshold current
at 808 nm
I
th
–
1820A
at 940 nm, and 975 nm
–
11
13
Differential efficiency (per bar)1)
h
d
–
0.65
0.75
W/A
Operating current
1)
I
op
–
5560A
Operating voltage (per bar)
1)
V
op
–1.8
–V
Operating voltage
1)
V
op
–1.8
–V
Overall efficiency1)
h
28
32
35
%
Emitting aperture
H
–n
4–
mm
W
–12
–
mm
Beam divergence
1) 2)
q^ q||
–15
20
20
25
mrad
Temperature coefficient of wavelength
Dl / DT
–
0.27
–
nm/K
Temperature coefficient of operating current
,I
op/Iop,T
–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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