Hologram Lasers
GH6C005B3A/GH6C005B3B/GH6C005B5A/GH6C005B5B
■ Electro-optical Characteristics
(VCC=5V, TC=25˚C)
Parameter
Symbol
Conditions
RF=6.0µA
RF=6.0µA
PH=3.0mW
PH=3.0mW
RF=6.0µA
RF=6.0µA
−
MIN.
-0.7
-25
-25
4.3
2.6
0.7
-
TYP.
-
MAX.
+0.7
+25
+25
-
Unit
µm
%
■1
■2
■3
■4
■5
■6
Focal offset
DEF
BFES
BRES
IRF
Focal error symmetry
Radial error balance
RF output amplitude
FES output amplitude
RES output amplitude
Threshold current
Operating current
Operating voltage
Wavelength
-
-
%
7.2
3.9
1.1
25
V
IFES
IRES
Ith
5.2
1.5
39
V
V
mA
mA
V
Iop
PH=3.0mW
PH=3.0mW
PH=3.0mW
-
36
50
Vop
λp
-
1.85
780
0.32
0.22
2.20
795
0.6
0.6
770
0.06
0.05
nm
mA
mA
GH6C005B3A/GH6C005B5A
Im
Output current
PH=3.0mW, VR=15V
GH6C005B3B/GH6C005B5B
Im
2.0mW
ηd
Differential efficiency
0.17
0.27
0.55
mW/ mA
I(3.0mW)-I(1.0mW)
■1
■2
Distance between FES=0 and jitter minimum point
At the condition of FES sensitivity = 20%/ 1µm
(a–b) / (a+b)
a–b
■3
2◊(a+b)
a (+amplitude of RES)
a (+amplitude of FES)
GND
b (–amplitude of RES)
b (–amplitude of FES)
■4
Amplitude of D2+D3+D4 (focal servo ON, radial servo ON)
D2–D3 (Focal vibration)
■5
■6
D1–D5 (focal servo ON, radial servo OFF)
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.
76
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