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Hologram Lasers
Notice
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
Internet
GH5R41KA3C
■
Electro-optical Characteristics of Laser Diode
Parameter
Threshold current
Operating current
Operating voltage
Wavelength
(T
C
=25
C)
Symbol
I
th
I
op
V
op
λ
p
MAX.
40
167
2.5
797
Unit
mA
mA
V
nm
Half intensity angle
⊥
//
+3
+1
K-LI1
K-LI2
-
%
%
Kink
15
Conditions
Po=100mW
Po=100mW
Po=100mW
90mW
I(100mW)-I(10mW)
Po=10 to 180mW
MIN.
-
-
-
773
TYP.
30
141
2.2
784
-3
-1
-
-
0.988
-
-
-
P1=36mW, P2=108mW, P3=180mW
Po=100mW
Parameter
Symbol
I
CC1
I
CC2
V
od
Unit
mA
mA
mV
11
Segment
Offset voltage difference, Gain switching
V
od
mV
A, B
Conditions
MIN.
-
-
-25
TYP.
25
30
2
-30
-
9
0.1μF or more capacitor should be added between OPIC power supply terminal and GND, Vref terminal and GND. (at the position of 10mm
or less from the lead base)
10
Applicable divisions correspond to output terminals .
A : V
A
, V
B
, V
C
, V
D
B : V
E
+
G
, V
F
+
H
11
Difference from V
ref
MAX.
32
35
+25
Supply current
High gain, Gain switching SW=H
Low gain, Gain switching SW=L
Common to high/low gain, No light
Common to high/low gain
+30
Differential efficiency
η
d
0.75
0.9
1.15
mW/mA
θ//
θ⊥
//
8.0
14.5
-2
9
10.2
17.5
+2
16.0
-
Beam shift
//
(100mW)-
//
(3mW)
Po=10 to 180mW
■
Electro-optical Characteristics of OPIC for Signal Detection
10
(T
C
=25
C, V
CC
=5V, V
ref
=2.1V)
12
Output offset voltage
A, B
Parallel
Perpendicular
Parallel
Perpendicular
Emission
characteristics
Deviation
angle
Stability of differential efficiency
η
d
-
-
40
%
■
Electro-optical Characteristics of Hologram Laser (Design Standard*)
1
Parameter
Symbol
2
Focal error signal capture range
-
Focal error signal sensitivity
-
(T
C
=25
C)
Unit
μ
m
%/
μ
m
1
MAX.
-
-
Conditions
MIN.
-
-
TYP.
14
13
NA=0.50
f =3.0mm
NA=0.186
f =10.74mm
Disc
(SONY : YEDS-18)
Actuator
Collimated lens
Hologram laser
Laser driver
(APC)
Measuring System of Hologram Laser
2
* These parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser.