
112
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
GH7C605B3A/GH7C605B3B
■
Electrical Characteristics of Monitor Photodiode (Design Standard*)
(GH7C605B3A)
Parameter
Symbol
2
Sensitivity
S
Dark current
I
D
(T
C
=25C)
Unit
mA/mW
nA
■
Electro-optical Characteristics of Laser Diode (Design Standard*)
Parameter
Symbol
Emission
characteristics
x
y
(T
C
=25C)
Unit
%
%
MAX.
+25
+15
+80
+80
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
-
Terminal capacitance
C
t
pF
Conditions
MIN.
-
-
-
TYP.
0.11
-
4.2
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
=5V, V
S
=2.1V
±
5%, T
C
=25
C)
Unit
V
5.5
13
mA
3
Segment
RF reference voltage
V
RFO
V
V
RF
Conditions
MIN.
4.5
7
TYP.
5
10
1.40
1.60
1
Measuring method of radiation symmetry
3
Applicable divisions correspond to output terminals.
4
Difference from Vs
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
MAX.
Vs working voltage range
VS
2.0
-25
-15
2.1
0
0
2.2
25
15
V
Offset voltage difference
V
OD
No light
-25
-15
40
10
2
0
0
25
15
-
-
-
mV
mV
MHz
MHz
MHz
V
A
-V
B
V
E
-V
F
V
RF
V
A
, V
B
, V
C
V
E
, V
F
P
H
=0mW No light
1.80
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
Reference plane
to 33mm (NA=0.11)
6.3
7.4mm
4-division photodetector
(10mm)
C
B
D
A
Laser diode
Y
Z
X
Y
Z
X
4
Output offset voltage
V
OD
mV
mV
V
A
, V
B
, V
C
V
E
, V
F
Response frequency
f
CRF
f
CF
f
CR
5
-3dB
R
L
=10k, CL=10pF
70
20
4
(GH7C605B3B)
(T
C
=25C)
Unit
mA/mW
nA
Parameter
Symbol
S
I
D
MAX.
-
150
-
2
Sensitivity
Dark current
Terminal capacitance
C
t
pF
Conditions
MIN.
-
-
-
TYP.
0.07
-
7.7
V
R
=15V
2
For hologram output power
* 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"