ROHM RLD2WMGS1

RLD2WGS1
Laser Diodes
Under development
660nm High Power / 780nm Low Power
Dual Wave Laser
RLD2WMGS1
RLD2WMGS1 is a dual wave laser which achieved high emission point distance accuracy according to a emission point
simultaneous process.
zDimensions(Unit : mm)
1.55
0.4
zApplications
DVD recorder
0.7
zFeatures
1) DVD / CD Po (Optical output) : 240mW / 20mW
2) Emission point distance accuracy : 110µm ± 1µm
3) High Heat Radiation Type : Slim frame package
0.235(∆Y)
3.55MAX
2.1
1.5
2.5
3MAX
0.45(∆Z)
1
0.45
0.8
5.15
3.6MAX
1
(0.6)
LD
3
LD
5
3-0.55MAX
2
GND
1 LD (650nm) anode
2 GND cathode
3 LD (780nm) anode
1.3
1.3
3-0.4
zAbsolute maximum ratings(Tc=25°C)
DVD
Parameter
Optical output
Symbol
Limits
Unit
PO
Pulse 240
mW
Laser reverse voltage
VR
2
V
Operating temperature
Top
−10 to +75 (Pulse)
°C
Storage temperature
Tstg
−40 to +75
°C
Symbol
Limits
Unit
PO
CW 20
mW
Lase reverse voltage
VR
2
V
Operating temperature
Top
−10 to +75 (Pulse)
°C
Storage temperature
Tstg
−40 to +75
°C
CD
Parameter
Optical output
1/3
RLD2WGS1
Laser Diodes
Under development
zElectrical and optical characteristics(Tc=25°C)
DVD
Parameter
Symbol
Min.
Typ.
Max.
Unit
Ith
−
60
75
mA
CW
Threshold current
Conditions
Operating current
Iop
−
150
200
mA
PO=80mW CW
Operating voltage
Vop
−
2.7
3.3
V
PO=80mW CW
Output efficiency
η
0.7
0.9
1.3
Beam diveragence
(FWHM)
θ //
7.5
−
13
deg
θ⊥
12.5
−
21
deg
φ //
−3
0
3
deg
Beam tolerance
Emission point accuracy
mW/mA 30mW/ (I (80mW)− I (50mW))
PO=80mW CW
φ⊥
−3
0
3
deg
∆X,Y,Z
−80
0
80
deg
λ
655
662
665
nm
PO=80mW CW
As
−
−
6
nm
NA=0.45, PO=5mW CW
Lasing wavelength
Astigmatism
−
CD
Parameter
Symbol
Min.
Typ.
Max.
Unit
Threshold current
Ith
−
50
80
mA
CW
Operating current
Iop
−
80
90
mA
PO=20mW CW
Operating voltage
Vop
−
1.9
2.3
V
PO=20mW CW
Output efficiency
η
0.5
0.7
1.2
θ //
6
7.5
12
deg
θ⊥
13
15.5
21
deg
φ //
−3
0
3
deg
Beam diveragence
(FWHM)
Beam tolerance
Conditions
mW/mA 4mW/ (I (8mW)− I (4mW))
PO=20mW CW
φ⊥
−3
0
3
deg
λ
770
782
790
nm
PO=20mW CW
Resistance
Rs
−
3.5
5
Ω
PO=20mW CW
Astigmatism
As
−
−
6
µm
Lasing wavelength
NA=0.45, PO=5mW CW
Note : θ ⊥, θ //are defined as full width of half maximum.
[Common]
Parameter
Emission point distance
Symbol
Min.
Typ.
Max.
Unit
Conditions
−
109
110
111
µm
−
2/3
RLD2WGS1
Laser Diodes
Under development
zElectrical and optical characteristics curves(Tc=25°C)
1.0
1.0
80mW
25°C
40°C
200
0.8
60mW
50°C
60mW
0.6
60°C
100
70°C
0.4
0.2
50
200
If [mA]
300
0.4
400
Fig.1 Optical output vs. operating current
20mW
0.2
5mW
Pulse width 50ns.
Duty 40%
100
40mW
20mW
80°C
0
0.6
40mW
Intensity
Intensity
Po [mW]
150
0
80mW
0.8
0.0
-60
-40
-20
0
20
Angle [deg]
40
Fig.2 θ // power dependence
60
0.0
-60
5mW
-40
-20
0
20
Angle [deg]
40
60
Fig.3 θ ⊥ power dependence
3/3
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1