SPL Bxxx
Characterictics
(TA = 25 °C)
Parameter
Symbol Wave-
length
Typical Values Unit
BGxx
BSxx
Recommended output
Popt
–
power 1)
20 ... 30 50 ... 100 W
cw
qcw
Catastrophic optical
damage limit 1), 2)
PCOD
≤ 808nm > 80
> 110
W
≥ 940nm > 130
> 200
Threshold current 2)
Differential quantum
efficiency 2)
Ith
–
η
–
< 11
< 17
A
> 0.85
W/A
Total conversion efficiency 1) ηtot
Beam divergence (FWHM) θ⊥ × θ||
–
≤ 808nm
≥ 940nm
> 35
45° × 12°
38° × 12°
%
Deg.
Standard pulse
wavelength 2), 3)
λpulse
≤ 808nm 802
804
nm
≥ 940nm 934
935
Spectral width (FWHM)
∆λ
–
<4
nm
Fill factor
F
–
50
80
%
Emitter width
(Structure)
w
–
200
100
µm
(20 × 3) –
µm
Pitch
p
–
400
126
µm
Bar width
(Emitters per bar)
W
–
10.0
10.0
mm
25
77
Cavity length
L
–
600
µm
Bar thickness
H
–
115 ± 10
µm
1) Depending on mounting technique, i.e. on the resulting thermal resistance.
2) Calculated from measurements on one emitter of an unmounted bar (1 µs pulses at 1 kHz repetition
rate).
3) Differing pulse wavelengths are available on request.
Semiconductor Group
2/2
1997-11-24