HL6545MG
Visible High Power Laser Diode for Recordable-DVD
ODE-208-038D (Z)
Rev.4
Sept. 04, 2006
Description
The HL6545MG is a 0.65 µm band AlGalnP laser diode (LD) with a multi-quantum well (MQW) structure. It is
suitable as a light source for large capacity optical disc memories, such as H/H type Recordable-DVD, and various
other types of optical equipment.
Features
Package Type
• HL6545MG: MG
Internal Circuit
•
Operating temperature: 75°C Max
1
3
(300 mW(pulse), pw = 30 ns, duty = 35 %)
•
•
Visible light output
Low operating current
: λp = 660 nm Typ
:
LD
Iop(1) = 175 mA Typ (Po = 120 mW)
Iop(2) = 350 mA Typ
(Po = 300 mW(pulse), pw = 30 ns, duty = 35 %)
2
Absolute Maximum Ratings
(TC = 25°C)
Item
Optical output power
Pulse optical output power
LD reverse voltage
Symbol
Ratings
130
300 *
Unit
mW
mW
V
PO
PO(pulse)
VR(LD)
2
CW Operating temperature
Pulse Operating temperature
Storage temperature
Topr(CW)
Topr(pulse)
Tstg
–10 to +75
–10 to +75
–40 to +85
°C
°C
°C
Note: Pulse condition : Pulse width = 30 ns , duty = 35 %
Optical and Electrical Characteristics
(TC = 25°C)
Item
Symbol
Ith
IOP(1)
IOP(2)
Min
—
—
Typ
60
175
350
Max
75
210
—
Unit
Test Conditions
Threshold current
Operating current(1)
Operating current(2)
mA
mA
mA
—
PO = 120 mW
PO = 300 mW(pulse)
—
pw = 30 ns, duty = 35 %
Operating voltage
Lasing wavelength
Beam divergence
VOP
λp
θ//(1)
—
652
7.5
2.5
660
10.0
3.0
664
12.0
V
nm
deg.
PO = 120 mW
PO = 120 mW
PO = 120 mW
parallel to the junction(1)
Beam divergence
perpendicular to the junction
Beam divergence
parallel to the junction(2)
θ⊥
15
7.5
—
17
—
1
19
—
—
deg.
deg.
µm
PO = 120 mW
θ//(2)
AS
PO = 5 mW
Astigmatism
PO = 5 mW, NA = 0.55
Rev.4 Sept. 04, 2006 page 1 of 4