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Ultrahigh
Power Infrared Array Laser Diode Achieves 60
W Optical Power Output
SLD433S4
Ultrahigh power infrared laser
diodes are widely used in welding equipment,
all types of marking equipment, and as the pumping
light source for YAG lasers. The evolution of
this continually advancing industrial equipment
knows no bounds, and requires ultrahigh power
laser diodes with even higher reliability. Sony
is listening to the needs of this market, and
continues to develop even higher output and
even higher performance laser diodes. Now, following
on the success of the 40 W optical power output
SLD432S, Sony has developed the SLD433S4 60W
optical power output array laser diode that
features the even higher output and the ability
to be used in a wide range of applications.
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SLD433S4 |
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* Wavelength: 808
±3 nm
* Rated optical power output: 60 W, CW operation
* High reliability
* Low operating current |
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Newly-Developed
Water Cooled Heat Sink Provides High Heat Removal
Efficiency |
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Sony developed and
released the SLD431S and SLD432S to respond
to the market needs for even higher output in
ultrahigh power array laser diodes. However,
increasing the power even further in array laser
diodes results in the generation of more heat
as well. This generated heat determines the
upper limit of optical power output of the device
and can reduce reliability. To resolve this
problem Sony developed a new heat sink that
is not a conventional passive heat sink, but
rather is a water cooled design with high heat
removal capacity. Using this water cooled heat
sink to remove heat guarantees high reliability
in the SLD433S4 even at the optical power output
of 60 W. The SLD433S4 also features greatly
improved optical power output dependence of
wavelength. This features can provide optimal
pumping light source for YAG lasers. |
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Ultrahigh
Power Laser Diode with High Reliability |
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The newly-developed
SLD433S4 adopts the same stripe structure as
the proven high-reliability, low operating current
SLD431 series products. (See figure 1.) Additional
improvements make this new device provide a
60 W optical power output. (See figure 2 and
table 1.) The package adopts a newly-developed
water cooled heat sink (see figure 3) and assures
even higher reliability. Sony can also respond
to customer needs for module versions of this
device. |
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Support for
Wavelength Selection |
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This device is available
in the pumping YAG laser wavelength of 808 ±3
nm as a general-purpose product. Sony can also
respond to customer needs for other 800 nm range
wavelength. |
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•••• Mr.SASAKI ••••
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Our development of
infrared array laser diodes has progressed to
the point where we have now achieved the industry's
highest level: 60 W. That we were able to achieve
this high output level demonstrates the extremely
high reliability of Sony's single-stripe ultrahigh
power laser diodes. I am looking forward to
developing new products with even higher output
levels and functionality, efforts that I'm sure
will only improve the reputation of Sony's single-stripe
laser diode technology. |
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See
all articles with figures and tables.  |
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Vol.36 |
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