Preliminary Data
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
680nm 300mW CW Laser Diode
L8048-04
FEATURES :
High output power & high brightness
300mW CW Output Power
200m x 1m Emitting Area
High Stability
Long Life
Compact
APPLICATIONS :
Pumping source for Solid State Laser
Printing
Medical Instrument
Measuring Instrument
Marking
ABSOLUTE MAXIMUM RATINGS
(Top(c)=25)
Parameter
Symbol
Value
Unit
Radiant Output Power
e
0.4 W
Reverse Voltage
V
R
2 V
Operating Temperature
Top
(c)
-20 to +30
Storage Temperature
Tstg
-40 to +80
Unit:mm
ELECTRICAL AND OPTICAL CHARACTERISTICS
(Top
(c)
=25)
Value
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Radiant Output Power
e I
F
=0.6A
-
0.3
-
W
Peak Emission Wavelength
p
I
F
=0.6A 670 680 690 nm
Spectral Radiation Half Bandwidth
I
F
=0.6A
-
3
-
nm
Forward Voltage
V
F
I
F
=0.6A
-
2.2
2.6
V
//
-
8
-
degree
Beam Spread Angle : Parallel
: Vertical
I
F
=0.6A
FWHM
- 30 -
degree
Lasing Threshold Current
Ith
-
0.25
0.35
0.45
A
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein.
680nm CW Laser Diode L8048-04
http://www.hamamatsu.com
Jan 2003
HAMAMATSU PHOTONICS K.K. Laser Group, Sales Dept.
5000, Hirakuchi, Hamakita City, Shizuoka, Japan
0
0.2
0.4
0.6
0.0
0.2
0.4
0.6
0.8
RADIANT FLUX e
FORWARD CURRENT I
(W)
(A)
F
(Tc=25)
Figure 1: Radiant Output Power Figure v.s. Forward Current (Typ.)
0
20
40
60
80
100
665
670
675
680
685
690
695
RELATIVE RADIANT FLUX
WAVELENGTH
(%)
(nm)
(Tc=25)
Figure 2: Emission Spectrum (Typ.)
Telephone: (81)53-584-0227, Fax: (81)53-584-0228, e-mail: laser-g@lsr.hpk.co.j p
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