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L11408_15 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – High-power Laser Diode CW Stack Bar Module
High-power Laser Diode CW
Stack Bar Module
L11408 Series
IFEATURES
GHigh optical power: CW 100 W/bar
GHigh stability
GLong life
GCompact
IAPPLICATIONS
GMeasuring instrument
GPumping source for solid state laser
GIR illumination for surveillance
GHeat treatment
IOPTION
Possible to attach a fast axis collimation (FAC) lens
• Beam spread angle(fast axis) 1° (typ)
• Coupling efficiency > 95°
ISPECIFICATIONS
CW operation
Parameter
Symbol
Peak emission wavelength
λp
Tolerance of λp
—
Spectral radiation bandwidth
∆λ
Radiant output power
Φe
Forward voltage
Vf
Beam spread Parallel (Slow) θ//
angle
Vertical (Fast) θ⊥
Lasing threshold current
Ith
Expected life time
—
* Max. No. of Stack 32
* Stack pitch 1.58 mm
Conditions
Φe = 0.9 kW, 1.5 kW
Φe = 0.9 kW, 1.5 kW
FWHM
If = 70 A
If = 110 A
FWHM
—
—
[Temperature of coolant (IN): 20 °C, Flow rate: 4.0 L/min]
Value
L11408-15-808 L11408-15-940 L11408-15-980
Unit
808
940
980
nm
±5
nm
4
nm
0.9
—
—
1.5
—
1.5
kW
<30
V
<10
<40
° (degree)
13
15,000
12
20,000
A
hour
ICOOLING CONDITIONS AND SURROUNDINGS
Parameter
Coolant
Electric conduction ratio
Permissible particle size
Temperature range of coolant
Flow rate per bar
Water pressure
Description / Value
Deionized water
0.5 to 1.2
30
+5 to +30
0.25
<0.4
Unit
—
µS/cm
µm
°C
L/min
MPa
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2012 Hamamatsu Photonics K.K.