95
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
GH5CD05B3D
■
Electrical Characteristics of Monitor Photodiode (Design Standard*)
Parameter
Symbol
2
Sensitivity
S
Dark current
I
D
(T
C
=25C)
■
Electro-optical Characteristics of Laser Diode (Design Standard*)
Parameter
Symbol
Emission
characteristics
x
y
(T
C
=25C)
MAX.
+25
+15
+80
+80
Unit
%
%
1
Symmetry
S
//
S
⊥
Misalignment position
μ
m
μ
m
z
α
+80
0.99
μ
m
-
Interference pattern intensity
Conditions
MIN.
-25
-15
-80
-80
TYP.
-
-
-
-
Parallel
Perpendicular
-80
-
-
-
Po=3mW
Po=3mW, Into NA=0.11
MAX.
-
150
-
Unit
mA/mW
nA
Terminal capacitance
C
t
pF
Conditions
MIN.
-
-
-
TYP.
0.20
-
3.5
V
R
=15V
■
Electro-optical Characteristics of OPIC for Signal Detection (Design Standard*)
Parameter
Symbol
Supply voltage
V
CC
Supply current
I
CC
V
CC
=3V
(T
C
=25C)
2
For hologram output power
1
Measuring method of radiation symmetry
3
Applicable divisions correspond to output terminals.
4
Difference from Vcc/2
5
Output amplitude=0dB (input signal 100kHz) BW=10kHz
Segment No.
D 1...............................................V
E
D 2...............................................V
A
D 3...............................................V
B
D 4...............................................V
C
D 5 ...............................................V
F
Output
D1
D2
D3
D5
D4
6.3
C
B
D
A
Y
Z
X
Y
Z
X
Reference plane
Laser diode
to 33mm (NA=0.11)
7.4mm
4-division photodetector
(10mm)
Parameter
Definition
S//
S
⊥
(P
B
+ P
C
) - (P
A
+ P
D
)
P
A
+ P
B
+ P
C
+ P
D
(P
A
+ P
B
) - (P
C
+ P
D
)
P
A
+ P
B
+ P
C
+ P
D
P
X
: Output of light detector X
* These parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser.
Please refer to the chapter "Handling Precautions"
Unit
V
mA
mV
3
Segment
-
-
V
A
, V
B
, V
C
Response frequency
f
CF
f
CR
MHz
MHz
V
A
, V
B
, V
C
V
E
, V
F
Conditions
-
MIN.
2.8
1.8
-11
TYP.
3.0
4.2
0
12
1.2
18
1.8
MAX.
5.5
6.7
+11
4
Output offset voltage
V
OD
V
CC
=3V
No light
-13
-11
0
0
+13
+11
mV
mV
V
E
, V
F
V
A
-V
B
Offset voltage difference
-13
0
+13
-
-
mV
V
E
-V
F
5
V
CC
=3V, -3dB
R
L
=10k
,
C
L
=10
P
F
V
OD