Conduction-cooled 40W CW diodes0 pages
Conduction - cooled 40W CW Diode Bars
QD-Cx840-S & QD-Cx840-H
DESCRIPTION
The QD-Cx840-S & QD-Cx840-H products are based upon highly performing 40W CW Laser Diode Bar
Arrays. The Laser Diode structure is multiple emitters spaced on a monolithic 1cm "bar". The bar is mounted
with the active zone (P side) towards a conductively cooled submount with low thermal resistance.
The quality quantum well structure and of the process leads to high electrical to optical conversion efficiency
and reliability.
The compact and rugged package allows easy connection to an efficient heat exchanger. So the submount
temperature can be adjusted to tune the emission wavelength. With this open package the optical beam can
be directly used to achieve efficient coupling.
A fast-axis collimation lens (FAC lens, Antireflection coated) can also be assembled to reduce the divergence
to 0,5 deg.
This linear bar array is ideal for applications which request high output power like pumping solid state lasers,
illuminators, medical therapy, graphic arts, material processing…
MAIN FEATURES
• 40W CW optical power
• Low divergence
• High reliability
• Conductively cooled package ‘S’ & ‘H’ types
• Optional Fast-Axis-Collimating lens
• Wavelengths in the 795nm - 980nm range
SPECIFICATIONS @ 25°
QD-C1840-H
QD-C1840-S
QD-C4840-H
QD-C4840-S
QD-C5840-H
QD-C5840-S
QD-C6840-H
QD-C6840-S
UNITS
CW output power
40
40
40
40
Watt
Center wavelength @ nom. P.
808
915
940
980
nm
9
8
8
7
Amp.
43
50
43
52
43
52
43
52
Amp.
Amp.
Operating voltage
<2
<2
<2
<2
Volt
Slope Efficiency
1.15
1.10
1.10
1.05
W/A
50
45
50
45
52
45
52
45
%
%
10 x 38
10 x 38
10 x 38
10 x 38
Degree
PARAMETERS
Threshold current
Operating current
Total efficiency
Typical
Max
Typical
Min
Beam divergence (FWHM)
Note :
• Variation of wavelength is approximately 0.25 to 0.3 nm/°
C
• Standard tolerance on wavelength is + 3nm @ 808nm and 9xxnm
• Spectral width (FWHM) is < 3nm @ 808nm, < 5nm @ 9xxnm
• Optional fast-axis collimating lens
• Operating at higher power or higher temperature will accelerate component ageing, increase threshold current and decrease slope
efficiency.
Quantel reserve the right to change specifications without prior notice
Dsmk-8042 (ed7)
Copyright. QLD 05/11
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