SPL MBxx
Passively Cooled Diode Laser Bar Both Axes Collimated 25 … 30 W cw
Preliminary Data
2000-11-07 1
Features
• Collimated radiation source for cw operation in
a sealed housing
• Very low fast and slow axes divergence angle
• No water required, passive cooling through
copper mount
• High reliable strained layer InGa(Al)As/GaAs
material
• Standard wavelength selection is
±
3nm,
others on request
• Low smile, low mechanical tolerances
Type Wavelength1)
1) Other wavelengths in the range of 780 nm …980nmareavailableonrequest.
Power Ordering Code
SPL MB81-E 808 nm 25 W on request
SPL MB94-E 940 nm 30 W on request
Applications
• End pumping of rods and fibers
• Soldering, direct material processing
• Marking, surface processing
• Medical applications
Safety Advices
Depending on the mode of operation, these
devices emit highly concentrated non visible
infrared light which can be hazardous to the
human eye. Products which incorporate these
devices have to follow the safety precautions
given in IEC 60825-1 “Safety of laser products”.
2000-11-07 2
SPL MBxx
Maximum Ratings (TA=20
°
C mount temperature)
Parameter Symbol Values Unit
min. max.
Operating temperature1) Top +10 +40
°
C
Storage temperature1) Tstg –20 +70
°
C
1) Condensation must be avoided.
Characteristics (TA=20
°
C mount temperature)
Parameter Symbol Values Unit
min. typ. max.
Output power cw1) Pop – 2225W
Wavelengths1)
l
–
–808
940 –
–nm
nm
Spectral width (FWHM)1)
Dl
–4–nm
Threshold current 808 nm
940 nm Ith –16
10 20
12 A
Differential efficiency1)
h
d– 0.6 0.70 W/A
Operating current1) Iop – 4550A
Operating voltage1) Vop –1.82.0V
Overall efficiency1)
h
c25 28 33 %
Emitting aperture H
W–
–4.0
11.6 –
–mm
mm
Beam divergence1)2)
q
^
´ q
||
–10
´
20 15
´
25 mrad
Temperature coefficient of wavelength
Dl
/
D
T– 0.27 – nm/K
Temperature coefficient of operating current
D
Iop/Iop
D
T– 0.5 – %/K
Mechanical dimensions w
´
d
´
h25
´
43.5
´
16.2 mm
1) Standard operating conditions refer to 25 W cw collimated optical output power at 20
°
C.
2) Far field divergence refers to half angle at 1/e2relative intensity.
SPL MBxx
2000-11-07 3
Optical Characteristics
(TA=20
°
C mount temperature)
Optical Output Power Popt vs.
Forward Current IF
cw-device
I
OHW00933
000
0.5
1
1.5
2
V
opt
PV
10 20 30 40 50 60A
5
10
15
20
25
30
35
W
V
P
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SPL MBxx
Package Outlines
Dimensions are specified as follows: mm (inch).
For safety, unpacking, handling, mounting and operating issues, please carefully read our “Notes For
Operation II”.
GWOY6038
Z 2:1
+
-
10 (0.394)
4 (0.157)
5.7 (0.224)
Beam geometry
18.5 (0.728)
24.9 (0.980)
13.9 (0.547) 4.6 (0.181)
16.2 (0.638)
43.5 (1.713)
25 (0.984)
Fixing screw
4 x DIN 912 M2.5 (0.098) x 16 (0.630)
12.7 (0.500)
6 (0.236)
Plus-contact
(anode) (cathode)
Minus-contact
2 x M2 (0.079) - ENSAT 5 deep
Z
