Laser Diodes
GH20707S2A/GH20707S2B
❇ Distance between Laser Emission Points and Emission Point Accuracy
Distance between laser emission points
Unit : µm
MIN.
100
76
TYP.
110
104.5
34.2
0
MAX.
Emission point Center of
=
of red laser
the stem
L
120
119.7
65
L
Y
dX
dY
dZ
dX
8
X
-10
10
Emission point of infrared laser
Red laser emission point accuracy
Unit : µm
∆X
∆Y
∆Z
±80
±80
±80
Emission point of infrared laser
Emission point of red laser
Reference plane
CL
❇ Electro-optical Characteristics❇1
(TC=25˚C)
Red laser
Infrared laser
Parameter
Symbol
Unit
Conditions
MIN.
-
TYP.
65
75
2.5
654
8.5
35
0
MAX.
85
Conditions
-
MIN.
-
TYP.
34
47
1.9
788
11
34
0
MAX.
45
−
Threshold current
Operating current
Operating voltage
Ith
Iop
Vop
λp
mA
mA
V
-
91
-
60
-
2.9
663
11
-
2.3
Wavelength
648
7
783
8.8
28
-20
-1.5
-3
793
13.7
40
nm
˚
❇2❇3
θ//
θ
Parallel
Half intensity
angle
Po=5mW
Po=5mW
❇2❇3
Perpendicular
29
-20
-1.5
-2
42
˚
❇4
+20
+1.5
+3
Ripple
Rl
∆θ//
∆θ
+20
+1.5
+2
%
˚
❇3
Parallel
0
0
Misalignment
angle
❇3
Perpendicular
0
0
˚
3mW
3mW
ηd
α
Differential efficiency
0.25
-
0.45
-
0.75
0.9
0.14
-
0.38
-
0.57 mW/ mA
0.99
I(5mW)-I(2mW)
I(5mW)-I(2mW)
Po=5mW
Interference pattern intensity
Po=5mW
-
❇1
❇2
❇3
Initial value, CW (Continuous Wave) drive
Angle at 50% peak intensity (full-width at half-
maximum)
Parallel to the junction plane (X-Z plane), Perpendicular to the junction plane (Y-Z plane)
Rl=∆P/ P ∆P : the maximum deviation of the far field pattern from its approximate
curve P : the peak of the approximate curve
❇4
❇ Electrical Characteristics of Photodiode
(TC=25˚C)
Red laser
Infrared laser
Parameter
Dark current
Symbol
ID
Unit
nA
Conditions
Vrd=5V
MIN.
-
TYP.
-
MAX.
150
Conditions
Vrd=5V
MIN.
-
TYP.
-
MAX.
150
• Please refer to the chapter "Handling Precautions"
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.
51
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