EN/EY Water-Cooled, Fast-Axis Collimated & Uncollimated (Vertical) 50-150W per bar, up to 70 bars0 pages

Water Cooled Single Bar Diode Laser
Features
- Single water cooled bar
- Low thermal resistance CW and QCW operation
- Available as non-collimated (EN Series) or fast-axis-collimated
unit (EY Series)
- Customized geometries available
Device Specification
Optical Parameters1
Units
QCW
Center Wavelength Range3
nm
808
808
915
940
980
808
Center Wavelength Tolerance3
nm
±3
±3
±5
±5
±5
±3
Output Power per Bar2
W
50
80
50
50
50
1504
Number of Bars3
#
1
1
1
1
1
1
Bar-to-Bar Spacing6
mm
approx. 1.9
approx. 1.9
approx. 1.9
approx. 1.9
approx. 1.9
approx. 1.9
Spectral Width (FWHM)
nm
<3
<3
<5
<5
<5
<6
Slope Efficiency per Bar
W/A
>1.14
>1.14
>1.1
>1.05
>1.05
>1.2
Fast Axis Divergence5 (90%)
degrees
<70
<70
70
<70
<70
76
Slow Axis Divergence (90%)
degrees
8
8
8
<8
<8
12
Wavelength Temp. Coefficient
nm/°C
~0.27
~0.27
~0.30
~0.31
~0.34
~0.27
Beam Geometry after FAC Lens
(n=number of bars)
10mm x 0.8mm
Electrical Parameters1
Power Conversion Efficiency
%
>46
>48
>54
>54
>52
>50
Threshold Current (ITH)
A
<16
<16
<13
<13
<10
<19.5
Operating Current (IOP)
A
<60
<90
<60
<62
<65
170
Operating Voltage per Bar (VOP)
V
<1.8
<1.8
<1.8
<1.8
<1.8
<1.8
Thermal Parameters
Operating Temperature Range3
°C
+20 to 30
Storage Temperature Range
°C
0 to 55
Please refer to DILAS water specification for cooling requirements.
1Data at 25°C water temperature, unless otherwise stated.
2Reduced lifetime if used above nominal operating conditions.
3Others available upon request.
4QCW, <2% Duty Cycle, <500ìsec.
5For fast axis collimation using FAC lens: divergence <8mrad.
6others on request